3 * Copyright (c) 1991-1999, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
11 * But only a short way ahead its floor and the walls on either side were
12 * cloven by a great fissure, out of which the red glare came, now leaping
13 * up, now dying down into darkness; and all the while far below there was
14 * a rumour and a trouble as of great engines throbbing and labouring.
18 #define PERL_IN_PP_SYS_C
22 /* Shadow password support for solaris - pdo@cs.umd.edu
23 * Not just Solaris: at least HP-UX, IRIX, Linux.
24 * the API is from SysV. --jhi */
28 /* XXX If this causes problems, set i_unistd=undef in the hint file. */
35 extern "C" int syscall(unsigned long,...);
40 # include <sys/wait.h>
44 # include <sys/resource.h>
47 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
48 # include <sys/socket.h>
54 # include <net/errno.h>
61 #include <sys/select.h>
65 /* XXX Configure test needed.
66 h_errno might not be a simple 'int', especially for multi-threaded
67 applications, see "extern int errno in perl.h". Creating such
68 a test requires taking into account the differences between
69 compiling multithreaded and singlethreaded ($ccflags et al).
70 HOST_NOT_FOUND is typically defined in <netdb.h>.
72 #if defined(HOST_NOT_FOUND) && !defined(h_errno)
80 struct passwd *getpwnam (char *);
81 struct passwd *getpwuid (Uid_t);
84 struct passwd *getpwent (void);
92 struct group *getgrnam (char *);
93 struct group *getgrgid (Gid_t);
96 struct group *getgrent (void);
101 # if defined(_MSC_VER) || defined(__MINGW32__)
102 # include <sys/utime.h>
111 #include <sys/file.h>
114 /* Put this after #includes because fork and vfork prototypes may conflict. */
119 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
121 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
122 # define Sock_size_t Size_t
124 # define Sock_size_t int
129 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
132 # define my_chsize PerlLIO_chsize
137 #else /* no flock() */
139 /* fcntl.h might not have been included, even if it exists, because
140 the current Configure only sets I_FCNTL if it's needed to pick up
141 the *_OK constants. Make sure it has been included before testing
142 the fcntl() locking constants. */
143 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
147 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
148 # define FLOCK fcntl_emulate_flock
149 # define FCNTL_EMULATE_FLOCK
150 # else /* no flock() or fcntl(F_SETLK,...) */
152 # define FLOCK lockf_emulate_flock
153 # define LOCKF_EMULATE_FLOCK
155 # endif /* no flock() or fcntl(F_SETLK,...) */
158 static int FLOCK (int, int);
161 * These are the flock() constants. Since this sytems doesn't have
162 * flock(), the values of the constants are probably not available.
176 # endif /* emulating flock() */
178 #endif /* no flock() */
181 static char zero_but_true[ZBTLEN + 1] = "0 but true";
183 #if defined(I_SYS_ACCESS) && !defined(R_OK)
184 # include <sys/access.h>
187 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
188 #undef PERL_EFF_ACCESS_W_OK
189 #undef PERL_EFF_ACCESS_X_OK
191 /* F_OK unused: if stat() cannot find it... */
193 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
194 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
195 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
196 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
197 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
200 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
201 # if defined(I_SYS_SECURITY)
202 # include <sys/security.h>
204 /* XXX Configure test needed for eaccess */
207 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
208 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
209 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
212 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
213 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
214 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
218 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
220 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
221 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
222 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
225 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
226 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
227 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
230 emulate_eaccess(pTHX_ const char* path, int mode)
232 Uid_t ruid = getuid();
233 Uid_t euid = geteuid();
234 Gid_t rgid = getgid();
235 Gid_t egid = getegid();
238 MUTEX_LOCK(&PL_cred_mutex);
239 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
240 croak("switching effective uid is not implemented");
243 if (setreuid(euid, ruid))
246 if (setresuid(euid, ruid, (Uid_t)-1))
249 croak("entering effective uid failed");
252 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
253 croak("switching effective gid is not implemented");
256 if (setregid(egid, rgid))
259 if (setresgid(egid, rgid, (Gid_t)-1))
262 croak("entering effective gid failed");
265 res = access(path, mode);
268 if (setreuid(ruid, euid))
271 if (setresuid(ruid, euid, (Uid_t)-1))
274 croak("leaving effective uid failed");
277 if (setregid(rgid, egid))
280 if (setresgid(rgid, egid, (Gid_t)-1))
283 croak("leaving effective gid failed");
284 MUTEX_UNLOCK(&PL_cred_mutex);
288 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
289 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
290 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
293 #if !defined(PERL_EFF_ACCESS_R_OK)
295 emulate_eaccess(pTHX_ const char* path, int mode)
297 croak("switching effective uid is not implemented");
312 fp = PerlProc_popen(tmps, "r");
314 if (gimme == G_VOID) {
316 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
320 else if (gimme == G_SCALAR) {
321 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
322 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
333 if (sv_gets(sv, fp, 0) == Nullch) {
337 XPUSHs(sv_2mortal(sv));
338 if (SvLEN(sv) - SvCUR(sv) > 20) {
339 SvLEN_set(sv, SvCUR(sv)+1);
340 Renew(SvPVX(sv), SvLEN(sv), char);
345 STATUS_NATIVE_SET(PerlProc_pclose(fp));
346 TAINT; /* "I believe that this is not gratuitous!" */
349 STATUS_NATIVE_SET(-1);
350 if (gimme == G_SCALAR)
360 tryAMAGICunTARGET(iter, -1);
367 * The external globbing program may use things we can't control,
368 * so for security reasons we must assume the worst.
371 taint_proper(PL_no_security, "glob");
375 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
376 PL_last_in_gv = (GV*)*PL_stack_sp--;
378 SAVESPTR(PL_rs); /* This is not permanent, either. */
379 PL_rs = sv_2mortal(newSVpvn("\000", 1));
382 *SvPVX(PL_rs) = '\n';
386 result = do_readline();
391 #if 0 /* XXX never used! */
395 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
396 return do_readline();
402 PL_last_in_gv = cGVOP->op_gv;
403 return do_readline();
412 if (SP - MARK != 1) {
414 do_join(TARG, &PL_sv_no, MARK, SP);
421 tmps = SvPV(tmpsv, len);
424 (void)SvUPGRADE(error, SVt_PV);
425 if (SvPOK(error) && SvCUR(error))
426 sv_catpv(error, "\t...caught");
428 tmps = SvPV(tmpsv, len);
431 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
444 if (SP - MARK != 1) {
446 do_join(TARG, &PL_sv_no, MARK, SP);
448 tmps = SvPV(tmpsv, len);
454 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
458 (void)SvUPGRADE(error, SVt_PV);
459 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
461 SvSetSV(error,tmpsv);
462 else if (sv_isobject(error)) {
463 HV *stash = SvSTASH(SvRV(error));
464 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
466 SV *file = sv_2mortal(newSVsv(GvSV(PL_curcop->cop_filegv)));
467 SV *line = sv_2mortal(newSViv(PL_curcop->cop_line));
474 call_sv((SV*)GvCV(gv),
475 G_SCALAR|G_EVAL|G_KEEPERR);
476 sv_setsv(error,*PL_stack_sp--);
482 if (SvPOK(error) && SvCUR(error))
483 sv_catpv(error, "\t...propagated");
485 tmps = SvPV(tmpsv, len);
489 tmpsv = sv_2mortal(newSVpvn("Died", 4));
508 DIE(PL_no_usym, "filehandle");
513 DIE(PL_no_usym, "filehandle");
515 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
517 #if 0 /* no undef means tmpfile() yet */
518 if (sv == &PL_sv_undef) {
520 PerlIO *fp = PerlIO_tmpfile();
522 PerlIO *fp = tmpfile();
524 if (fp != Nullfp && do_open(gv, "+>&", 3, FALSE, 0, 0, fp))
525 PUSHi( (I32)PL_forkprocess );
530 #endif /* no undef means tmpfile() yet */
533 if (mg = SvTIED_mg((SV*)gv, 'q')) {
535 XPUSHs(SvTIED_obj((SV*)gv, mg));
539 call_method("OPEN", G_SCALAR);
545 tmps = SvPV(sv, len);
546 if (do_open(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp))
547 PUSHi( (I32)PL_forkprocess );
548 else if (PL_forkprocess == 0) /* we are a new child */
566 if (mg = SvTIED_mg((SV*)gv, 'q')) {
568 XPUSHs(SvTIED_obj((SV*)gv, mg));
571 call_method("CLOSE", G_SCALAR);
577 PUSHs(boolSV(do_close(gv, TRUE)));
597 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
598 DIE(PL_no_usym, "filehandle");
603 do_close(rgv, FALSE);
605 do_close(wgv, FALSE);
607 if (PerlProc_pipe(fd) < 0)
610 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
611 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
612 IoIFP(wstio) = IoOFP(wstio);
616 if (!IoIFP(rstio) || !IoOFP(wstio)) {
617 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
618 else PerlLIO_close(fd[0]);
619 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
620 else PerlLIO_close(fd[1]);
623 #if defined(HAS_FCNTL) && defined(F_SETFD)
624 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
625 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
632 DIE(PL_no_func, "pipe");
648 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
650 XPUSHs(SvTIED_obj((SV*)gv, mg));
653 call_method("FILENO", G_SCALAR);
659 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
661 PUSHi(PerlIO_fileno(fp));
672 anum = PerlLIO_umask(0);
673 (void)PerlLIO_umask(anum);
676 anum = PerlLIO_umask(POPi);
677 TAINT_PROPER("umask");
680 /* Only DIE if trying to restrict permissions on `user' (self).
681 * Otherwise it's harmless and more useful to just return undef
682 * since 'group' and 'other' concepts probably don't exist here. */
683 if (MAXARG >= 1 && (POPi & 0700))
684 DIE("umask not implemented");
685 XPUSHs(&PL_sv_undef);
703 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
705 XPUSHs(SvTIED_obj((SV*)gv, mg));
708 call_method("BINMODE", G_SCALAR);
715 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
718 if (do_binmode(fp,IoTYPE(io),TRUE))
733 I32 markoff = MARK - PL_stack_base;
740 switch(SvTYPE(varsv)) {
742 methname = "TIEHASH";
745 methname = "TIEARRAY";
748 methname = "TIEHANDLE";
752 methname = "TIESCALAR";
757 if (sv_isobject(*MARK)) {
759 PUSHSTACKi(PERLSI_MAGIC);
765 call_method(methname, G_SCALAR);
768 /* Not clear why we don't call call_method here too.
769 * perhaps to get different error message ?
771 stash = gv_stashsv(*MARK, FALSE);
772 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
773 DIE("Can't locate object method \"%s\" via package \"%s\"",
774 methname, SvPV(*MARK,n_a));
777 PUSHSTACKi(PERLSI_MAGIC);
783 call_sv((SV*)GvCV(gv), G_SCALAR);
789 if (sv_isobject(sv)) {
790 sv_unmagic(varsv, how);
791 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
794 SP = PL_stack_base + markoff;
803 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
805 if (ckWARN(WARN_UNTIE)) {
807 if (mg = SvTIED_mg(sv, how)) {
808 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
810 "untie attempted while %lu inner references still exist",
811 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
823 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
826 if (mg = SvTIED_mg(sv, how)) {
827 SV *osv = SvTIED_obj(sv, mg);
828 if (osv == mg->mg_obj)
829 osv = sv_mortalcopy(osv);
847 sv = sv_mortalcopy(&PL_sv_no);
848 sv_setpv(sv, "AnyDBM_File");
849 stash = gv_stashsv(sv, FALSE);
850 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
852 require_pv("AnyDBM_File.pm");
854 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
855 DIE("No dbm on this machine");
865 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
867 PUSHs(sv_2mortal(newSViv(O_RDWR)));
870 call_sv((SV*)GvCV(gv), G_SCALAR);
873 if (!sv_isobject(TOPs)) {
878 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
881 call_sv((SV*)GvCV(gv), G_SCALAR);
885 if (sv_isobject(TOPs)) {
886 sv_unmagic((SV *) hv, 'P');
887 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
895 return pp_untie(ARGS);
909 struct timeval timebuf;
910 struct timeval *tbuf = &timebuf;
914 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
919 # if BYTEORDER & 0xf0000
920 # define ORDERBYTE (0x88888888 - BYTEORDER)
922 # define ORDERBYTE (0x4444 - BYTEORDER)
928 for (i = 1; i <= 3; i++) {
936 /* little endians can use vecs directly */
937 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
938 # if SELECT_MIN_BITS > 1
939 /* If SELECT_MIN_BITS is greater than one we most probably will want
940 * to align the sizes with SELECT_MIN_BITS/8 because for example
941 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
942 * UNIX, Solaris, NeXT, Rhapsody) the smallest quantum select() operates
943 * on (sets/tests/clears bits) is 32 bits. */
944 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
946 growsize = sizeof(fd_set);
955 masksize = NFDBITS / NBBY;
957 masksize = sizeof(long); /* documented int, everyone seems to use long */
959 growsize = maxlen + (masksize - (maxlen % masksize));
960 Zero(&fd_sets[0], 4, char*);
968 timebuf.tv_sec = (long)value;
969 value -= (double)timebuf.tv_sec;
970 timebuf.tv_usec = (long)(value * 1000000.0);
973 tbuf = Null(struct timeval*);
975 for (i = 1; i <= 3; i++) {
982 SvPV_force(sv,n_a); /* force string conversion */
985 Sv_Grow(sv, growsize);
989 while (++j <= growsize) {
993 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
995 New(403, fd_sets[i], growsize, char);
996 for (offset = 0; offset < growsize; offset += masksize) {
997 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
998 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1001 fd_sets[i] = SvPVX(sv);
1005 nfound = PerlSock_select(
1007 (Select_fd_set_t) fd_sets[1],
1008 (Select_fd_set_t) fd_sets[2],
1009 (Select_fd_set_t) fd_sets[3],
1011 for (i = 1; i <= 3; i++) {
1014 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1016 for (offset = 0; offset < growsize; offset += masksize) {
1017 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1018 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1020 Safefree(fd_sets[i]);
1027 if (GIMME == G_ARRAY && tbuf) {
1028 value = (double)(timebuf.tv_sec) +
1029 (double)(timebuf.tv_usec) / 1000000.0;
1030 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1031 sv_setnv(sv, value);
1035 DIE("select not implemented");
1040 Perl_setdefout(pTHX_ GV *gv)
1044 (void)SvREFCNT_inc(gv);
1046 SvREFCNT_dec(PL_defoutgv);
1053 GV *newdefout, *egv;
1056 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1058 egv = GvEGV(PL_defoutgv);
1063 XPUSHs(&PL_sv_undef);
1065 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1066 if (gvp && *gvp == egv) {
1067 gv_efullname3(TARG, PL_defoutgv, Nullch);
1071 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1076 if (!GvIO(newdefout))
1077 gv_IOadd(newdefout);
1078 setdefout(newdefout);
1097 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1098 I32 gimme = GIMME_V;
1100 XPUSHs(SvTIED_obj((SV*)gv, mg));
1103 call_method("GETC", gimme);
1106 if (gimme == G_SCALAR)
1107 SvSetMagicSV_nosteal(TARG, TOPs);
1110 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1113 sv_setpv(TARG, " ");
1114 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1121 return pp_sysread(ARGS);
1125 doform(pTHX_ CV *cv, GV *gv, OP *retop)
1128 register PERL_CONTEXT *cx;
1129 I32 gimme = GIMME_V;
1130 AV* padlist = CvPADLIST(cv);
1131 SV** svp = AvARRAY(padlist);
1137 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
1139 SAVESPTR(PL_curpad);
1140 PL_curpad = AvARRAY((AV*)svp[1]);
1142 setdefout(gv); /* locally select filehandle so $% et al work */
1174 SV *tmpsv = sv_newmortal();
1175 gv_efullname3(tmpsv, fgv, Nullch);
1176 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
1178 DIE("Not a format reference");
1181 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1183 IoFLAGS(io) &= ~IOf_DIDTOP;
1184 return doform(cv,gv,PL_op->op_next);
1190 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1191 register IO *io = GvIOp(gv);
1192 PerlIO *ofp = IoOFP(io);
1196 register PERL_CONTEXT *cx;
1198 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1199 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1200 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1201 PL_formtarget != PL_toptarget)
1205 if (!IoTOP_GV(io)) {
1209 if (!IoTOP_NAME(io)) {
1210 if (!IoFMT_NAME(io))
1211 IoFMT_NAME(io) = savepv(GvNAME(gv));
1212 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1213 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1214 if ((topgv && GvFORM(topgv)) ||
1215 !gv_fetchpv("top",FALSE,SVt_PVFM))
1216 IoTOP_NAME(io) = savepv(SvPVX(topname));
1218 IoTOP_NAME(io) = savepv("top");
1220 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1221 if (!topgv || !GvFORM(topgv)) {
1222 IoLINES_LEFT(io) = 100000000;
1225 IoTOP_GV(io) = topgv;
1227 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1228 I32 lines = IoLINES_LEFT(io);
1229 char *s = SvPVX(PL_formtarget);
1230 if (lines <= 0) /* Yow, header didn't even fit!!! */
1232 while (lines-- > 0) {
1233 s = strchr(s, '\n');
1239 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1240 sv_chop(PL_formtarget, s);
1241 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1244 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1245 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1246 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1248 PL_formtarget = PL_toptarget;
1249 IoFLAGS(io) |= IOf_DIDTOP;
1252 DIE("bad top format reference");
1255 SV *tmpsv = sv_newmortal();
1256 gv_efullname3(tmpsv, fgv, Nullch);
1257 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1260 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1261 return doform(cv,gv,PL_op);
1265 POPBLOCK(cx,PL_curpm);
1271 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1273 warner(WARN_IO, "Filehandle only opened for input");
1274 else if (ckWARN(WARN_CLOSED))
1275 warner(WARN_CLOSED, "Write on closed filehandle");
1280 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1281 if (ckWARN(WARN_IO))
1282 warner(WARN_IO, "page overflow");
1284 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1288 FmLINES(PL_formtarget) = 0;
1289 SvCUR_set(PL_formtarget, 0);
1290 *SvEND(PL_formtarget) = '\0';
1291 if (IoFLAGS(io) & IOf_FLUSH)
1292 (void)PerlIO_flush(fp);
1296 PL_formtarget = PL_bodytarget;
1298 return pop_return();
1303 djSP; dMARK; dORIGMARK;
1311 if (PL_op->op_flags & OPf_STACKED)
1316 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1317 if (MARK == ORIGMARK) {
1320 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1324 *MARK = SvTIED_obj((SV*)gv, mg);
1327 call_method("PRINTF", G_SCALAR);
1330 MARK = ORIGMARK + 1;
1337 if (!(io = GvIO(gv))) {
1338 if (ckWARN(WARN_UNOPENED)) {
1339 gv_fullname3(sv, gv, Nullch);
1340 warner(WARN_UNOPENED, "Filehandle %s never opened", SvPV(sv,n_a));
1342 SETERRNO(EBADF,RMS$_IFI);
1345 else if (!(fp = IoOFP(io))) {
1346 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1347 gv_fullname3(sv, gv, Nullch);
1349 warner(WARN_IO, "Filehandle %s opened only for input",
1351 else if (ckWARN(WARN_CLOSED))
1352 warner(WARN_CLOSED, "printf on closed filehandle %s",
1355 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1359 #ifdef USE_LOCALE_NUMERIC
1360 if (PL_op->op_private & OPpLOCALE)
1361 SET_NUMERIC_LOCAL();
1363 SET_NUMERIC_STANDARD();
1365 do_sprintf(sv, SP - MARK, MARK + 1);
1366 if (!do_print(sv, fp))
1369 if (IoFLAGS(io) & IOf_FLUSH)
1370 if (PerlIO_flush(fp) == EOF)
1381 PUSHs(&PL_sv_undef);
1402 /* Need TIEHANDLE method ? */
1404 tmps = SvPV(sv, len);
1405 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1406 IoLINES(GvIOp(gv)) = 0;
1410 PUSHs(&PL_sv_undef);
1417 djSP; dMARK; dORIGMARK; dTARGET;
1423 Sock_size_t bufsize;
1429 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1430 (mg = SvTIED_mg((SV*)gv, 'q')))
1435 *MARK = SvTIED_obj((SV*)gv, mg);
1437 call_method("READ", G_SCALAR);
1450 sv_setpvn(bufsv, "", 0);
1451 buffer = SvPV_force(bufsv, blen);
1452 length = SvIVx(*++MARK);
1454 DIE("Negative length");
1457 offset = SvIVx(*++MARK);
1461 if (!io || !IoIFP(io))
1464 if (PL_op->op_type == OP_RECV) {
1465 char namebuf[MAXPATHLEN];
1466 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1467 bufsize = sizeof (struct sockaddr_in);
1469 bufsize = sizeof namebuf;
1471 buffer = SvGROW(bufsv, length+1);
1472 /* 'offset' means 'flags' here */
1473 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1474 (struct sockaddr *)namebuf, &bufsize);
1477 SvCUR_set(bufsv, length);
1478 *SvEND(bufsv) = '\0';
1479 (void)SvPOK_only(bufsv);
1481 /* This should not be marked tainted if the fp is marked clean */
1482 if (!(IoFLAGS(io) & IOf_UNTAINT))
1483 SvTAINTED_on(bufsv);
1485 sv_setpvn(TARG, namebuf, bufsize);
1490 if (PL_op->op_type == OP_RECV)
1491 DIE(PL_no_sock_func, "recv");
1495 DIE("Offset outside string");
1498 bufsize = SvCUR(bufsv);
1499 buffer = SvGROW(bufsv, length+offset+1);
1500 if (offset > bufsize) { /* Zero any newly allocated space */
1501 Zero(buffer+bufsize, offset-bufsize, char);
1503 if (PL_op->op_type == OP_SYSREAD) {
1504 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1505 if (IoTYPE(io) == 's') {
1506 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1507 buffer+offset, length, 0);
1512 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1513 buffer+offset, length);
1517 #ifdef HAS_SOCKET__bad_code_maybe
1518 if (IoTYPE(io) == 's') {
1519 char namebuf[MAXPATHLEN];
1520 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1521 bufsize = sizeof (struct sockaddr_in);
1523 bufsize = sizeof namebuf;
1525 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1526 (struct sockaddr *)namebuf, &bufsize);
1531 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1532 /* fread() returns 0 on both error and EOF */
1533 if (length == 0 && PerlIO_error(IoIFP(io)))
1538 SvCUR_set(bufsv, length+offset);
1539 *SvEND(bufsv) = '\0';
1540 (void)SvPOK_only(bufsv);
1542 /* This should not be marked tainted if the fp is marked clean */
1543 if (!(IoFLAGS(io) & IOf_UNTAINT))
1544 SvTAINTED_on(bufsv);
1557 int items = (SP - PL_stack_base) - TOPMARK;
1561 sv = sv_2mortal(newSViv(sv_len(*SP)));
1565 return pp_send(ARGS);
1570 djSP; dMARK; dORIGMARK; dTARGET;
1581 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1585 *MARK = SvTIED_obj((SV*)gv, mg);
1587 call_method("WRITE", G_SCALAR);
1598 buffer = SvPV(bufsv, blen);
1599 length = SvIVx(*++MARK);
1601 DIE("Negative length");
1604 if (!io || !IoIFP(io)) {
1606 if (ckWARN(WARN_CLOSED)) {
1607 if (PL_op->op_type == OP_SYSWRITE)
1608 warner(WARN_CLOSED, "Syswrite on closed filehandle");
1610 warner(WARN_CLOSED, "Send on closed socket");
1613 else if (PL_op->op_type == OP_SYSWRITE) {
1615 offset = SvIVx(*++MARK);
1618 DIE("Offset outside string");
1620 } else if (offset >= blen && blen > 0)
1621 DIE("Offset outside string");
1624 if (length > blen - offset)
1625 length = blen - offset;
1626 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1627 if (IoTYPE(io) == 's') {
1628 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1629 buffer+offset, length, 0);
1634 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1635 buffer+offset, length);
1639 else if (SP > MARK) {
1642 sockbuf = SvPVx(*++MARK, mlen);
1643 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1644 (struct sockaddr *)sockbuf, mlen);
1647 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1651 DIE(PL_no_sock_func, "send");
1666 return pp_sysread(ARGS);
1678 gv = PL_last_in_gv = (GV*)POPs;
1680 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1682 XPUSHs(SvTIED_obj((SV*)gv, mg));
1685 call_method("EOF", G_SCALAR);
1691 PUSHs(boolSV(!gv || do_eof(gv)));
1704 gv = PL_last_in_gv = (GV*)POPs;
1706 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1708 XPUSHs(SvTIED_obj((SV*)gv, mg));
1711 call_method("TELL", G_SCALAR);
1717 PUSHi( do_tell(gv) );
1723 return pp_sysseek(ARGS);
1731 Off_t offset = POPl;
1734 gv = PL_last_in_gv = (GV*)POPs;
1736 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1738 XPUSHs(SvTIED_obj((SV*)gv, mg));
1739 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1740 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1743 call_method("SEEK", G_SCALAR);
1749 if (PL_op->op_type == OP_SEEK)
1750 PUSHs(boolSV(do_seek(gv, offset, whence)));
1752 Off_t n = do_sysseek(gv, offset, whence);
1753 PUSHs((n < 0) ? &PL_sv_undef
1754 : sv_2mortal(n ? newSViv((IV)n)
1755 : newSVpvn(zero_but_true, ZBTLEN)));
1763 Off_t len = (Off_t)POPn;
1769 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1770 if (PL_op->op_flags & OPf_SPECIAL) {
1771 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1773 TAINT_PROPER("truncate");
1774 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1776 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1778 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1787 if (SvTYPE(sv) == SVt_PVGV) {
1788 tmpgv = (GV*)sv; /* *main::FRED for example */
1791 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1792 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1796 name = SvPV(sv, n_a);
1797 TAINT_PROPER("truncate");
1799 if (truncate(name, len) < 0)
1804 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1807 if (my_chsize(tmpfd, len) < 0)
1809 PerlLIO_close(tmpfd);
1818 SETERRNO(EBADF,RMS$_IFI);
1821 DIE("truncate not implemented");
1827 return pp_ioctl(ARGS);
1834 unsigned int func = U_I(POPn);
1835 int optype = PL_op->op_type;
1841 if (!io || !argsv || !IoIFP(io)) {
1842 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1846 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1849 s = SvPV_force(argsv, len);
1850 need = IOCPARM_LEN(func);
1852 s = Sv_Grow(argsv, need + 1);
1853 SvCUR_set(argsv, need);
1856 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1859 retval = SvIV(argsv);
1860 s = (char*)retval; /* ouch */
1863 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1865 if (optype == OP_IOCTL)
1867 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1869 DIE("ioctl is not implemented");
1873 #if defined(OS2) && defined(__EMX__)
1874 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1876 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1879 DIE("fcntl is not implemented");
1883 if (s[SvCUR(argsv)] != 17)
1884 DIE("Possible memory corruption: %s overflowed 3rd argument",
1885 PL_op_name[optype]);
1886 s[SvCUR(argsv)] = 0; /* put our null back */
1887 SvSETMAGIC(argsv); /* Assume it has changed */
1896 PUSHp(zero_but_true, ZBTLEN);
1916 fp = IoIFP(GvIOp(gv));
1920 (void)PerlIO_flush(fp);
1921 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1928 DIE(PL_no_func, "flock()");
1940 int protocol = POPi;
1948 SETERRNO(EBADF,LIB$_INVARG);
1954 do_close(gv, FALSE);
1956 TAINT_PROPER("socket");
1957 fd = PerlSock_socket(domain, type, protocol);
1960 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1961 IoOFP(io) = PerlIO_fdopen(fd, "w");
1963 if (!IoIFP(io) || !IoOFP(io)) {
1964 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1965 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1966 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1972 DIE(PL_no_sock_func, "socket");
1979 #ifdef HAS_SOCKETPAIR
1984 int protocol = POPi;
1997 do_close(gv1, FALSE);
1999 do_close(gv2, FALSE);
2001 TAINT_PROPER("socketpair");
2002 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2004 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2005 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2007 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2008 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2010 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2011 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2012 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2013 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2014 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2015 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2016 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2022 DIE(PL_no_sock_func, "socketpair");
2030 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2031 extern GETPRIVMODE();
2032 extern GETUSERMODE();
2037 register IO *io = GvIOn(gv);
2041 int mpeprivmode = 0;
2044 if (!io || !IoIFP(io))
2047 addr = SvPV(addrsv, len);
2048 TAINT_PROPER("bind");
2049 #ifdef MPE /* Deal with MPE bind() peculiarities */
2050 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2051 /* The address *MUST* stupidly be zero. */
2052 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2053 /* PRIV mode is required to bind() to ports < 1024. */
2054 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2055 ((struct sockaddr_in *)addr)->sin_port > 0) {
2056 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2061 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2062 (struct sockaddr *)addr, len) >= 0)
2065 #ifdef MPE /* Switch back to USER mode */
2076 if (ckWARN(WARN_CLOSED))
2077 warner(WARN_CLOSED, "bind() on closed fd");
2078 SETERRNO(EBADF,SS$_IVCHAN);
2081 DIE(PL_no_sock_func, "bind");
2092 register IO *io = GvIOn(gv);
2095 if (!io || !IoIFP(io))
2098 addr = SvPV(addrsv, len);
2099 TAINT_PROPER("connect");
2100 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2106 if (ckWARN(WARN_CLOSED))
2107 warner(WARN_CLOSED, "connect() on closed fd");
2108 SETERRNO(EBADF,SS$_IVCHAN);
2111 DIE(PL_no_sock_func, "connect");
2121 register IO *io = GvIOn(gv);
2123 if (!io || !IoIFP(io))
2126 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2132 if (ckWARN(WARN_CLOSED))
2133 warner(WARN_CLOSED, "listen() on closed fd");
2134 SETERRNO(EBADF,SS$_IVCHAN);
2137 DIE(PL_no_sock_func, "listen");
2149 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2150 Sock_size_t len = sizeof saddr;
2162 if (!gstio || !IoIFP(gstio))
2167 do_close(ngv, FALSE);
2169 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2172 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2173 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2174 IoTYPE(nstio) = 's';
2175 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2176 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2177 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2178 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2182 PUSHp((char *)&saddr, len);
2186 if (ckWARN(WARN_CLOSED))
2187 warner(WARN_CLOSED, "accept() on closed fd");
2188 SETERRNO(EBADF,SS$_IVCHAN);
2194 DIE(PL_no_sock_func, "accept");
2204 register IO *io = GvIOn(gv);
2206 if (!io || !IoIFP(io))
2209 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2213 if (ckWARN(WARN_CLOSED))
2214 warner(WARN_CLOSED, "shutdown() on closed fd");
2215 SETERRNO(EBADF,SS$_IVCHAN);
2218 DIE(PL_no_sock_func, "shutdown");
2225 return pp_ssockopt(ARGS);
2227 DIE(PL_no_sock_func, "getsockopt");
2235 int optype = PL_op->op_type;
2238 unsigned int optname;
2244 if (optype == OP_GSOCKOPT)
2245 sv = sv_2mortal(NEWSV(22, 257));
2248 optname = (unsigned int) POPi;
2249 lvl = (unsigned int) POPi;
2253 if (!io || !IoIFP(io))
2256 fd = PerlIO_fileno(IoIFP(io));
2260 (void)SvPOK_only(sv);
2264 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2279 aint = (int)SvIV(sv);
2283 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2292 if (ckWARN(WARN_CLOSED))
2293 warner(WARN_CLOSED, "[gs]etsockopt() on closed fd");
2294 SETERRNO(EBADF,SS$_IVCHAN);
2299 DIE(PL_no_sock_func, "setsockopt");
2306 return pp_getpeername(ARGS);
2308 DIE(PL_no_sock_func, "getsockname");
2316 int optype = PL_op->op_type;
2320 register IO *io = GvIOn(gv);
2323 if (!io || !IoIFP(io))
2326 sv = sv_2mortal(NEWSV(22, 257));
2327 (void)SvPOK_only(sv);
2331 fd = PerlIO_fileno(IoIFP(io));
2333 case OP_GETSOCKNAME:
2334 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2337 case OP_GETPEERNAME:
2338 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2340 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2342 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2343 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2344 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2345 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2346 sizeof(u_short) + sizeof(struct in_addr))) {
2353 #ifdef BOGUS_GETNAME_RETURN
2354 /* Interactive Unix, getpeername() and getsockname()
2355 does not return valid namelen */
2356 if (len == BOGUS_GETNAME_RETURN)
2357 len = sizeof(struct sockaddr);
2365 if (ckWARN(WARN_CLOSED))
2366 warner(WARN_CLOSED, "get{sock, peer}name() on closed fd");
2367 SETERRNO(EBADF,SS$_IVCHAN);
2372 DIE(PL_no_sock_func, "getpeername");
2380 return pp_stat(ARGS);
2391 if (PL_op->op_flags & OPf_REF) {
2392 tmpgv = cGVOP->op_gv;
2394 if (tmpgv != PL_defgv) {
2395 PL_laststype = OP_STAT;
2397 sv_setpv(PL_statname, "");
2398 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2399 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2401 if (PL_laststatval < 0)
2406 if (SvTYPE(sv) == SVt_PVGV) {
2410 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2411 tmpgv = (GV*)SvRV(sv);
2414 sv_setpv(PL_statname, SvPV(sv,n_a));
2417 PL_laststype = PL_op->op_type;
2418 if (PL_op->op_type == OP_LSTAT)
2419 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2422 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2423 if (PL_laststatval < 0) {
2424 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2425 warner(WARN_NEWLINE, PL_warn_nl, "stat");
2431 if (gimme != G_ARRAY) {
2432 if (gimme != G_VOID)
2433 XPUSHs(boolSV(max));
2439 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2440 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2441 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2442 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2443 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2444 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2445 #ifdef USE_STAT_RDEV
2446 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2448 PUSHs(sv_2mortal(newSVpvn("", 0)));
2450 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2452 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2453 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2454 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2456 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2457 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2458 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2460 #ifdef USE_STAT_BLOCKS
2461 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2462 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2464 PUSHs(sv_2mortal(newSVpvn("", 0)));
2465 PUSHs(sv_2mortal(newSVpvn("", 0)));
2475 #if defined(HAS_ACCESS) && defined(R_OK)
2477 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2478 result = access(TOPpx, R_OK);
2486 result = my_stat(ARGS);
2488 result = my_stat(ARGS);
2493 if (cando(S_IRUSR, 0, &PL_statcache))
2502 #if defined(HAS_ACCESS) && defined(W_OK)
2504 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2505 result = access(TOPpx, W_OK);
2513 result = my_stat(ARGS);
2515 result = my_stat(ARGS);
2520 if (cando(S_IWUSR, 0, &PL_statcache))
2529 #if defined(HAS_ACCESS) && defined(X_OK)
2531 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2532 result = access(TOPpx, X_OK);
2540 result = my_stat(ARGS);
2542 result = my_stat(ARGS);
2547 if (cando(S_IXUSR, 0, &PL_statcache))
2556 #ifdef PERL_EFF_ACCESS_R_OK
2558 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2559 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2567 result = my_stat(ARGS);
2569 result = my_stat(ARGS);
2574 if (cando(S_IRUSR, 1, &PL_statcache))
2583 #ifdef PERL_EFF_ACCESS_W_OK
2585 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2586 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2594 result = my_stat(ARGS);
2596 result = my_stat(ARGS);
2601 if (cando(S_IWUSR, 1, &PL_statcache))
2610 #ifdef PERL_EFF_ACCESS_X_OK
2612 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2613 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2621 result = my_stat(ARGS);
2623 result = my_stat(ARGS);
2628 if (cando(S_IXUSR, 1, &PL_statcache))
2635 I32 result = my_stat(ARGS);
2644 return pp_ftrowned(ARGS);
2649 I32 result = my_stat(ARGS);
2653 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2660 I32 result = my_stat(ARGS);
2664 if (!PL_statcache.st_size)
2671 I32 result = my_stat(ARGS);
2675 PUSHi(PL_statcache.st_size);
2681 I32 result = my_stat(ARGS);
2685 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2691 I32 result = my_stat(ARGS);
2695 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2701 I32 result = my_stat(ARGS);
2705 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2711 I32 result = my_stat(ARGS);
2715 if (S_ISSOCK(PL_statcache.st_mode))
2722 I32 result = my_stat(ARGS);
2726 if (S_ISCHR(PL_statcache.st_mode))
2733 I32 result = my_stat(ARGS);
2737 if (S_ISBLK(PL_statcache.st_mode))
2744 I32 result = my_stat(ARGS);
2748 if (S_ISREG(PL_statcache.st_mode))
2755 I32 result = my_stat(ARGS);
2759 if (S_ISDIR(PL_statcache.st_mode))
2766 I32 result = my_stat(ARGS);
2770 if (S_ISFIFO(PL_statcache.st_mode))
2777 I32 result = my_lstat(ARGS);
2781 if (S_ISLNK(PL_statcache.st_mode))
2790 I32 result = my_stat(ARGS);
2794 if (PL_statcache.st_mode & S_ISUID)
2804 I32 result = my_stat(ARGS);
2808 if (PL_statcache.st_mode & S_ISGID)
2818 I32 result = my_stat(ARGS);
2822 if (PL_statcache.st_mode & S_ISVTX)
2833 char *tmps = Nullch;
2836 if (PL_op->op_flags & OPf_REF)
2838 else if (isGV(TOPs))
2840 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2841 gv = (GV*)SvRV(POPs);
2843 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2845 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2846 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2847 else if (tmps && isDIGIT(*tmps))
2851 if (PerlLIO_isatty(fd))
2856 #if defined(atarist) /* this will work with atariST. Configure will
2857 make guesses for other systems. */
2858 # define FILE_base(f) ((f)->_base)
2859 # define FILE_ptr(f) ((f)->_ptr)
2860 # define FILE_cnt(f) ((f)->_cnt)
2861 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2871 register STDCHAR *s;
2877 if (PL_op->op_flags & OPf_REF)
2879 else if (isGV(TOPs))
2881 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2882 gv = (GV*)SvRV(POPs);
2888 if (gv == PL_defgv) {
2890 io = GvIO(PL_statgv);
2893 goto really_filename;
2898 PL_laststatval = -1;
2899 sv_setpv(PL_statname, "");
2900 io = GvIO(PL_statgv);
2902 if (io && IoIFP(io)) {
2903 if (! PerlIO_has_base(IoIFP(io)))
2904 DIE("-T and -B not implemented on filehandles");
2905 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2906 if (PL_laststatval < 0)
2908 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2909 if (PL_op->op_type == OP_FTTEXT)
2913 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2914 i = PerlIO_getc(IoIFP(io));
2916 (void)PerlIO_ungetc(IoIFP(io),i);
2918 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2920 len = PerlIO_get_bufsiz(IoIFP(io));
2921 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2922 /* sfio can have large buffers - limit to 512 */
2927 if (ckWARN(WARN_UNOPENED))
2928 warner(WARN_UNOPENED, "Test on unopened file <%s>",
2929 GvENAME(cGVOP->op_gv));
2930 SETERRNO(EBADF,RMS$_IFI);
2938 PL_laststatval = -1;
2939 sv_setpv(PL_statname, SvPV(sv, n_a));
2941 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2943 i = PerlLIO_open(SvPV(sv, n_a), 0);
2946 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
2947 warner(WARN_NEWLINE, PL_warn_nl, "open");
2950 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2951 if (PL_laststatval < 0)
2953 len = PerlLIO_read(i, tbuf, 512);
2954 (void)PerlLIO_close(i);
2956 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2957 RETPUSHNO; /* special case NFS directories */
2958 RETPUSHYES; /* null file is anything */
2963 /* now scan s to look for textiness */
2964 /* XXX ASCII dependent code */
2966 for (i = 0; i < len; i++, s++) {
2967 if (!*s) { /* null never allowed in text */
2972 else if (!(isPRINT(*s) || isSPACE(*s)))
2978 *s != '\n' && *s != '\r' && *s != '\b' &&
2979 *s != '\t' && *s != '\f' && *s != 27)
2984 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2992 return pp_fttext(ARGS);
3008 if (!tmps || !*tmps) {
3009 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3011 tmps = SvPV(*svp, n_a);
3013 if (!tmps || !*tmps) {
3014 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3016 tmps = SvPV(*svp, n_a);
3019 if (!tmps || !*tmps) {
3020 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3022 tmps = SvPV(*svp, n_a);
3025 TAINT_PROPER("chdir");
3026 PUSHi( PerlDir_chdir(tmps) >= 0 );
3028 /* Clear the DEFAULT element of ENV so we'll get the new value
3030 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3037 djSP; dMARK; dTARGET;
3040 value = (I32)apply(PL_op->op_type, MARK, SP);
3045 DIE(PL_no_func, "Unsupported function chown");
3056 TAINT_PROPER("chroot");
3057 PUSHi( chroot(tmps) >= 0 );
3060 DIE(PL_no_func, "chroot");
3066 djSP; dMARK; dTARGET;
3068 value = (I32)apply(PL_op->op_type, MARK, SP);
3076 djSP; dMARK; dTARGET;
3078 value = (I32)apply(PL_op->op_type, MARK, SP);
3086 djSP; dMARK; dTARGET;
3088 value = (I32)apply(PL_op->op_type, MARK, SP);
3100 char *tmps2 = POPpx;
3101 char *tmps = SvPV(TOPs, n_a);
3102 TAINT_PROPER("rename");
3104 anum = PerlLIO_rename(tmps, tmps2);
3106 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3107 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3110 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3111 (void)UNLINK(tmps2);
3112 if (!(anum = link(tmps, tmps2)))
3113 anum = UNLINK(tmps);
3126 char *tmps2 = POPpx;
3127 char *tmps = SvPV(TOPs, n_a);
3128 TAINT_PROPER("link");
3129 SETi( link(tmps, tmps2) >= 0 );
3131 DIE(PL_no_func, "Unsupported function link");
3141 char *tmps2 = POPpx;
3142 char *tmps = SvPV(TOPs, n_a);
3143 TAINT_PROPER("symlink");
3144 SETi( symlink(tmps, tmps2) >= 0 );
3147 DIE(PL_no_func, "symlink");
3156 char buf[MAXPATHLEN];
3160 #ifndef INCOMPLETE_TAINTS
3164 len = readlink(tmps, buf, sizeof buf);
3172 RETSETUNDEF; /* just pretend it's a normal file */
3176 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3178 dooneliner(pTHX_ char *cmd, char *filename)
3180 char *save_filename = filename;
3186 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3187 strcpy(cmdline, cmd);
3188 strcat(cmdline, " ");
3189 for (s = cmdline + strlen(cmdline); *filename; ) {
3194 myfp = PerlProc_popen(cmdline, "r");
3198 SV *tmpsv = sv_newmortal();
3199 /* Need to save/restore 'PL_rs' ?? */
3200 s = sv_gets(tmpsv, myfp, 0);
3201 (void)PerlProc_pclose(myfp);
3205 #ifdef HAS_SYS_ERRLIST
3210 /* you don't see this */
3212 #ifdef HAS_SYS_ERRLIST
3220 if (instr(s, errmsg)) {
3227 #define EACCES EPERM
3229 if (instr(s, "cannot make"))
3230 SETERRNO(EEXIST,RMS$_FEX);
3231 else if (instr(s, "existing file"))
3232 SETERRNO(EEXIST,RMS$_FEX);
3233 else if (instr(s, "ile exists"))
3234 SETERRNO(EEXIST,RMS$_FEX);
3235 else if (instr(s, "non-exist"))
3236 SETERRNO(ENOENT,RMS$_FNF);
3237 else if (instr(s, "does not exist"))
3238 SETERRNO(ENOENT,RMS$_FNF);
3239 else if (instr(s, "not empty"))
3240 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3241 else if (instr(s, "cannot access"))
3242 SETERRNO(EACCES,RMS$_PRV);
3244 SETERRNO(EPERM,RMS$_PRV);
3247 else { /* some mkdirs return no failure indication */
3248 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3249 if (PL_op->op_type == OP_RMDIR)
3254 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3271 char *tmps = SvPV(TOPs, n_a);
3273 TAINT_PROPER("mkdir");
3275 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3277 SETi( dooneliner("mkdir", tmps) );
3278 oldumask = PerlLIO_umask(0);
3279 PerlLIO_umask(oldumask);
3280 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3292 TAINT_PROPER("rmdir");
3294 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3296 XPUSHi( dooneliner("rmdir", tmps) );
3301 /* Directory calls. */
3306 #if defined(Direntry_t) && defined(HAS_READDIR)
3308 char *dirname = POPpx;
3310 register IO *io = GvIOn(gv);
3316 PerlDir_close(IoDIRP(io));
3317 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3323 SETERRNO(EBADF,RMS$_DIR);
3326 DIE(PL_no_dir_func, "opendir");
3333 #if defined(Direntry_t) && defined(HAS_READDIR)
3335 Direntry_t *readdir (DIR *);
3337 register Direntry_t *dp;
3339 register IO *io = GvIOn(gv);
3342 if (!io || !IoDIRP(io))
3345 if (GIMME == G_ARRAY) {
3347 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3349 sv = newSVpvn(dp->d_name, dp->d_namlen);
3351 sv = newSVpv(dp->d_name, 0);
3353 #ifndef INCOMPLETE_TAINTS
3356 XPUSHs(sv_2mortal(sv));
3360 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3363 sv = newSVpvn(dp->d_name, dp->d_namlen);
3365 sv = newSVpv(dp->d_name, 0);
3367 #ifndef INCOMPLETE_TAINTS
3370 XPUSHs(sv_2mortal(sv));
3376 SETERRNO(EBADF,RMS$_ISI);
3377 if (GIMME == G_ARRAY)
3382 DIE(PL_no_dir_func, "readdir");
3389 #if defined(HAS_TELLDIR) || defined(telldir)
3390 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3391 /* XXX netbsd still seemed to.
3392 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3393 --JHI 1999-Feb-02 */
3394 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3395 long telldir (DIR *);
3398 register IO *io = GvIOn(gv);
3400 if (!io || !IoDIRP(io))
3403 PUSHi( PerlDir_tell(IoDIRP(io)) );
3407 SETERRNO(EBADF,RMS$_ISI);
3410 DIE(PL_no_dir_func, "telldir");
3417 #if defined(HAS_SEEKDIR) || defined(seekdir)
3420 register IO *io = GvIOn(gv);
3422 if (!io || !IoDIRP(io))
3425 (void)PerlDir_seek(IoDIRP(io), along);
3430 SETERRNO(EBADF,RMS$_ISI);
3433 DIE(PL_no_dir_func, "seekdir");
3440 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3442 register IO *io = GvIOn(gv);
3444 if (!io || !IoDIRP(io))
3447 (void)PerlDir_rewind(IoDIRP(io));
3451 SETERRNO(EBADF,RMS$_ISI);
3454 DIE(PL_no_dir_func, "rewinddir");
3461 #if defined(Direntry_t) && defined(HAS_READDIR)
3463 register IO *io = GvIOn(gv);
3465 if (!io || !IoDIRP(io))
3468 #ifdef VOID_CLOSEDIR
3469 PerlDir_close(IoDIRP(io));
3471 if (PerlDir_close(IoDIRP(io)) < 0) {
3472 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3481 SETERRNO(EBADF,RMS$_IFI);
3484 DIE(PL_no_dir_func, "closedir");
3488 /* Process control. */
3498 PERL_FLUSHALL_FOR_CHILD;
3504 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3505 sv_setiv(GvSV(tmpgv), (IV)getpid());
3506 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3511 DIE(PL_no_func, "Unsupported function fork");
3517 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3522 childpid = wait4pid(-1, &argflags, 0);
3523 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3527 DIE(PL_no_func, "Unsupported function wait");
3533 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3541 childpid = wait4pid(childpid, &argflags, optype);
3542 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3546 DIE(PL_no_func, "Unsupported function waitpid");
3552 djSP; dMARK; dORIGMARK; dTARGET;
3557 Sigsave_t ihand,qhand; /* place to save signals during system() */
3560 if (SP - MARK == 1) {
3562 char *junk = SvPV(TOPs, n_a);
3564 TAINT_PROPER("system");
3567 PERL_FLUSHALL_FOR_CHILD;
3568 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3569 while ((childpid = vfork()) == -1) {
3570 if (errno != EAGAIN) {
3579 rsignal_save(SIGINT, SIG_IGN, &ihand);
3580 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3582 result = wait4pid(childpid, &status, 0);
3583 } while (result == -1 && errno == EINTR);
3584 (void)rsignal_restore(SIGINT, &ihand);
3585 (void)rsignal_restore(SIGQUIT, &qhand);
3586 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3587 do_execfree(); /* free any memory child malloced on vfork */
3589 PUSHi(STATUS_CURRENT);
3592 if (PL_op->op_flags & OPf_STACKED) {
3593 SV *really = *++MARK;
3594 value = (I32)do_aexec(really, MARK, SP);
3596 else if (SP - MARK != 1)
3597 value = (I32)do_aexec(Nullsv, MARK, SP);
3599 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3602 #else /* ! FORK or VMS or OS/2 */
3603 if (PL_op->op_flags & OPf_STACKED) {
3604 SV *really = *++MARK;
3605 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3607 else if (SP - MARK != 1)
3608 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3610 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3612 STATUS_NATIVE_SET(value);
3615 PUSHi(STATUS_CURRENT);
3616 #endif /* !FORK or VMS */
3622 djSP; dMARK; dORIGMARK; dTARGET;
3626 PERL_FLUSHALL_FOR_CHILD;
3627 if (PL_op->op_flags & OPf_STACKED) {
3628 SV *really = *++MARK;
3629 value = (I32)do_aexec(really, MARK, SP);
3631 else if (SP - MARK != 1)
3633 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3637 (void ) do_aspawn(Nullsv, MARK, SP);
3641 value = (I32)do_aexec(Nullsv, MARK, SP);
3646 char *junk = SvPV(*SP, n_a);
3648 TAINT_PROPER("exec");
3651 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3654 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3657 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3668 djSP; dMARK; dTARGET;
3671 value = (I32)apply(PL_op->op_type, MARK, SP);
3676 DIE(PL_no_func, "Unsupported function kill");
3684 XPUSHi( getppid() );
3687 DIE(PL_no_func, "getppid");
3703 value = (I32)BSD_GETPGRP(pid);
3705 if (pid != 0 && pid != getpid())
3706 DIE("POSIX getpgrp can't take an argument");
3707 value = (I32)getpgrp();
3712 DIE(PL_no_func, "getpgrp()");
3731 TAINT_PROPER("setpgrp");
3733 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3735 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3736 DIE("POSIX setpgrp can't take an argument");
3737 SETi( setpgrp() >= 0 );
3738 #endif /* USE_BSDPGRP */
3741 DIE(PL_no_func, "setpgrp()");
3750 #ifdef HAS_GETPRIORITY
3753 SETi( getpriority(which, who) );
3756 DIE(PL_no_func, "getpriority()");
3766 #ifdef HAS_SETPRIORITY
3770 TAINT_PROPER("setpriority");
3771 SETi( setpriority(which, who, niceval) >= 0 );
3774 DIE(PL_no_func, "setpriority()");
3784 XPUSHn( time(Null(Time_t*)) );
3786 XPUSHi( time(Null(Time_t*)) );
3791 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3792 to HZ. Probably. For now, assume that if the system
3793 defines HZ, it does so correctly. (Will this break
3795 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3796 it's supported. --AD 9/96.
3812 DIE("times not implemented");
3817 (void)PerlProc_times(&PL_timesbuf);
3819 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3820 /* struct tms, though same data */
3824 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_utime)/HZ)));
3825 if (GIMME == G_ARRAY) {
3826 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_stime)/HZ)));
3827 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cutime)/HZ)));
3828 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cstime)/HZ)));
3831 #endif /* HAS_TIMES */
3836 return pp_gmtime(ARGS);
3844 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3845 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3846 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3852 when = (Time_t)SvNVx(POPs);
3854 when = (Time_t)SvIVx(POPs);
3857 if (PL_op->op_type == OP_LOCALTIME)
3858 tmbuf = localtime(&when);
3860 tmbuf = gmtime(&when);
3864 if (GIMME != G_ARRAY) {
3869 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3870 dayname[tmbuf->tm_wday],
3871 monname[tmbuf->tm_mon],
3876 tmbuf->tm_year + 1900);
3877 PUSHs(sv_2mortal(tsv));
3880 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3881 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3882 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3883 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3884 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3885 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3886 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3887 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3888 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3899 anum = alarm((unsigned int)anum);
3906 DIE(PL_no_func, "Unsupported function alarm");
3917 (void)time(&lasttime);
3922 PerlProc_sleep((unsigned int)duration);
3925 XPUSHi(when - lasttime);
3929 /* Shared memory. */
3933 return pp_semget(ARGS);
3938 return pp_semctl(ARGS);
3943 return pp_shmwrite(ARGS);
3948 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3949 djSP; dMARK; dTARGET;
3950 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
3955 return pp_semget(ARGS);
3959 /* Message passing. */
3963 return pp_semget(ARGS);
3968 return pp_semctl(ARGS);
3973 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3974 djSP; dMARK; dTARGET;
3975 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3980 return pp_semget(ARGS);
3986 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3987 djSP; dMARK; dTARGET;
3988 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3993 return pp_semget(ARGS);
4001 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4002 djSP; dMARK; dTARGET;
4003 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4010 DIE("System V IPC is not implemented on this machine");
4016 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4017 djSP; dMARK; dTARGET;
4018 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4026 PUSHp(zero_but_true, ZBTLEN);
4030 return pp_semget(ARGS);
4036 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4037 djSP; dMARK; dTARGET;
4038 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4043 return pp_semget(ARGS);
4047 /* Get system info. */
4051 #ifdef HAS_GETHOSTBYNAME
4052 return pp_ghostent(ARGS);
4054 DIE(PL_no_sock_func, "gethostbyname");
4060 #ifdef HAS_GETHOSTBYADDR
4061 return pp_ghostent(ARGS);
4063 DIE(PL_no_sock_func, "gethostbyaddr");
4070 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4071 I32 which = PL_op->op_type;
4072 register char **elem;
4074 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4075 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4076 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4077 struct hostent *PerlSock_gethostent(void);
4079 struct hostent *hent;
4084 if (which == OP_GHBYNAME)
4085 #ifdef HAS_GETHOSTBYNAME
4086 hent = PerlSock_gethostbyname(POPpx);
4088 DIE(PL_no_sock_func, "gethostbyname");
4090 else if (which == OP_GHBYADDR) {
4091 #ifdef HAS_GETHOSTBYADDR
4092 int addrtype = POPi;
4095 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4097 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4099 DIE(PL_no_sock_func, "gethostbyaddr");
4103 #ifdef HAS_GETHOSTENT
4104 hent = PerlSock_gethostent();
4106 DIE(PL_no_sock_func, "gethostent");
4109 #ifdef HOST_NOT_FOUND
4111 STATUS_NATIVE_SET(h_errno);
4114 if (GIMME != G_ARRAY) {
4115 PUSHs(sv = sv_newmortal());
4117 if (which == OP_GHBYNAME) {
4119 sv_setpvn(sv, hent->h_addr, hent->h_length);
4122 sv_setpv(sv, (char*)hent->h_name);
4128 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4129 sv_setpv(sv, (char*)hent->h_name);
4130 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4131 for (elem = hent->h_aliases; elem && *elem; elem++) {
4132 sv_catpv(sv, *elem);
4134 sv_catpvn(sv, " ", 1);
4136 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4137 sv_setiv(sv, (IV)hent->h_addrtype);
4138 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4139 len = hent->h_length;
4140 sv_setiv(sv, (IV)len);
4142 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4143 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4144 sv_setpvn(sv, *elem, len);
4147 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4149 sv_setpvn(sv, hent->h_addr, len);
4154 DIE(PL_no_sock_func, "gethostent");
4160 #ifdef HAS_GETNETBYNAME
4161 return pp_gnetent(ARGS);
4163 DIE(PL_no_sock_func, "getnetbyname");
4169 #ifdef HAS_GETNETBYADDR
4170 return pp_gnetent(ARGS);
4172 DIE(PL_no_sock_func, "getnetbyaddr");
4179 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4180 I32 which = PL_op->op_type;
4181 register char **elem;
4183 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4184 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4185 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4186 struct netent *PerlSock_getnetent(void);
4188 struct netent *nent;
4191 if (which == OP_GNBYNAME)
4192 #ifdef HAS_GETNETBYNAME
4193 nent = PerlSock_getnetbyname(POPpx);
4195 DIE(PL_no_sock_func, "getnetbyname");
4197 else if (which == OP_GNBYADDR) {
4198 #ifdef HAS_GETNETBYADDR
4199 int addrtype = POPi;
4200 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4201 nent = PerlSock_getnetbyaddr(addr, addrtype);
4203 DIE(PL_no_sock_func, "getnetbyaddr");
4207 #ifdef HAS_GETNETENT
4208 nent = PerlSock_getnetent();
4210 DIE(PL_no_sock_func, "getnetent");
4214 if (GIMME != G_ARRAY) {
4215 PUSHs(sv = sv_newmortal());
4217 if (which == OP_GNBYNAME)
4218 sv_setiv(sv, (IV)nent->n_net);
4220 sv_setpv(sv, nent->n_name);
4226 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4227 sv_setpv(sv, nent->n_name);
4228 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4229 for (elem = nent->n_aliases; elem && *elem; elem++) {
4230 sv_catpv(sv, *elem);
4232 sv_catpvn(sv, " ", 1);
4234 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4235 sv_setiv(sv, (IV)nent->n_addrtype);
4236 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4237 sv_setiv(sv, (IV)nent->n_net);
4242 DIE(PL_no_sock_func, "getnetent");
4248 #ifdef HAS_GETPROTOBYNAME
4249 return pp_gprotoent(ARGS);
4251 DIE(PL_no_sock_func, "getprotobyname");
4257 #ifdef HAS_GETPROTOBYNUMBER
4258 return pp_gprotoent(ARGS);
4260 DIE(PL_no_sock_func, "getprotobynumber");
4267 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4268 I32 which = PL_op->op_type;
4269 register char **elem;
4271 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4272 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4273 struct protoent *PerlSock_getprotobynumber(int);
4274 struct protoent *PerlSock_getprotoent(void);
4276 struct protoent *pent;
4279 if (which == OP_GPBYNAME)
4280 #ifdef HAS_GETPROTOBYNAME
4281 pent = PerlSock_getprotobyname(POPpx);
4283 DIE(PL_no_sock_func, "getprotobyname");
4285 else if (which == OP_GPBYNUMBER)
4286 #ifdef HAS_GETPROTOBYNUMBER
4287 pent = PerlSock_getprotobynumber(POPi);
4289 DIE(PL_no_sock_func, "getprotobynumber");
4292 #ifdef HAS_GETPROTOENT
4293 pent = PerlSock_getprotoent();
4295 DIE(PL_no_sock_func, "getprotoent");
4299 if (GIMME != G_ARRAY) {
4300 PUSHs(sv = sv_newmortal());
4302 if (which == OP_GPBYNAME)
4303 sv_setiv(sv, (IV)pent->p_proto);
4305 sv_setpv(sv, pent->p_name);
4311 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4312 sv_setpv(sv, pent->p_name);
4313 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4314 for (elem = pent->p_aliases; elem && *elem; elem++) {
4315 sv_catpv(sv, *elem);
4317 sv_catpvn(sv, " ", 1);
4319 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4320 sv_setiv(sv, (IV)pent->p_proto);
4325 DIE(PL_no_sock_func, "getprotoent");
4331 #ifdef HAS_GETSERVBYNAME
4332 return pp_gservent(ARGS);
4334 DIE(PL_no_sock_func, "getservbyname");
4340 #ifdef HAS_GETSERVBYPORT
4341 return pp_gservent(ARGS);
4343 DIE(PL_no_sock_func, "getservbyport");
4350 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4351 I32 which = PL_op->op_type;
4352 register char **elem;
4354 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4355 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4356 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4357 struct servent *PerlSock_getservent(void);
4359 struct servent *sent;
4362 if (which == OP_GSBYNAME) {
4363 #ifdef HAS_GETSERVBYNAME
4364 char *proto = POPpx;
4367 if (proto && !*proto)
4370 sent = PerlSock_getservbyname(name, proto);
4372 DIE(PL_no_sock_func, "getservbyname");
4375 else if (which == OP_GSBYPORT) {
4376 #ifdef HAS_GETSERVBYPORT
4377 char *proto = POPpx;
4378 unsigned short port = POPu;
4381 port = PerlSock_htons(port);
4383 sent = PerlSock_getservbyport(port, proto);
4385 DIE(PL_no_sock_func, "getservbyport");
4389 #ifdef HAS_GETSERVENT
4390 sent = PerlSock_getservent();
4392 DIE(PL_no_sock_func, "getservent");
4396 if (GIMME != G_ARRAY) {
4397 PUSHs(sv = sv_newmortal());
4399 if (which == OP_GSBYNAME) {
4401 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4403 sv_setiv(sv, (IV)(sent->s_port));
4407 sv_setpv(sv, sent->s_name);
4413 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4414 sv_setpv(sv, sent->s_name);
4415 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4416 for (elem = sent->s_aliases; elem && *elem; elem++) {
4417 sv_catpv(sv, *elem);
4419 sv_catpvn(sv, " ", 1);
4421 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4423 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4425 sv_setiv(sv, (IV)(sent->s_port));
4427 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4428 sv_setpv(sv, sent->s_proto);
4433 DIE(PL_no_sock_func, "getservent");
4440 #ifdef HAS_SETHOSTENT
4441 PerlSock_sethostent(TOPi);
4444 DIE(PL_no_sock_func, "sethostent");
4451 #ifdef HAS_SETNETENT
4452 PerlSock_setnetent(TOPi);
4455 DIE(PL_no_sock_func, "setnetent");
4462 #ifdef HAS_SETPROTOENT
4463 PerlSock_setprotoent(TOPi);
4466 DIE(PL_no_sock_func, "setprotoent");
4473 #ifdef HAS_SETSERVENT
4474 PerlSock_setservent(TOPi);
4477 DIE(PL_no_sock_func, "setservent");
4484 #ifdef HAS_ENDHOSTENT
4485 PerlSock_endhostent();
4489 DIE(PL_no_sock_func, "endhostent");
4496 #ifdef HAS_ENDNETENT
4497 PerlSock_endnetent();
4501 DIE(PL_no_sock_func, "endnetent");
4508 #ifdef HAS_ENDPROTOENT
4509 PerlSock_endprotoent();
4513 DIE(PL_no_sock_func, "endprotoent");
4520 #ifdef HAS_ENDSERVENT
4521 PerlSock_endservent();
4525 DIE(PL_no_sock_func, "endservent");
4532 return pp_gpwent(ARGS);
4534 DIE(PL_no_func, "getpwnam");
4541 return pp_gpwent(ARGS);
4543 DIE(PL_no_func, "getpwuid");
4550 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4551 I32 which = PL_op->op_type;
4553 struct passwd *pwent;
4556 struct spwd *spwent = NULL;
4559 if (which == OP_GPWNAM)
4560 pwent = getpwnam(POPpx);
4561 else if (which == OP_GPWUID)
4562 pwent = getpwuid(POPi);
4564 pwent = (struct passwd *)getpwent();
4567 if (which == OP_GPWNAM) {
4569 spwent = getspnam(pwent->pw_name);
4571 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4572 else if (which == OP_GPWUID) {
4574 spwent = getspnam(pwent->pw_name);
4578 spwent = (struct spwd *)getspent();
4582 if (GIMME != G_ARRAY) {
4583 PUSHs(sv = sv_newmortal());
4585 if (which == OP_GPWNAM)
4586 sv_setiv(sv, (IV)pwent->pw_uid);
4588 sv_setpv(sv, pwent->pw_name);
4594 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4595 sv_setpv(sv, pwent->pw_name);
4597 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4599 # ifdef HAS_GETSPENT
4601 sv_setpv(sv, spwent->sp_pwdp);
4603 sv_setpv(sv, pwent->pw_passwd);
4605 sv_setpv(sv, pwent->pw_passwd);
4609 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4610 sv_setiv(sv, (IV)pwent->pw_uid);
4612 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4613 sv_setiv(sv, (IV)pwent->pw_gid);
4615 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4616 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4618 sv_setiv(sv, (IV)pwent->pw_change);
4621 sv_setiv(sv, (IV)pwent->pw_quota);
4624 sv_setpv(sv, pwent->pw_age);
4629 /* pw_class and pw_comment are mutually exclusive. */
4630 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4632 sv_setpv(sv, pwent->pw_class);
4635 sv_setpv(sv, pwent->pw_comment);
4639 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4641 sv_setpv(sv, pwent->pw_gecos);
4643 #ifndef INCOMPLETE_TAINTS
4644 /* pw_gecos is tainted because user himself can diddle with it. */
4648 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4649 sv_setpv(sv, pwent->pw_dir);
4651 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4652 sv_setpv(sv, pwent->pw_shell);
4655 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4656 sv_setiv(sv, (IV)pwent->pw_expire);
4661 DIE(PL_no_func, "getpwent");
4668 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4670 # ifdef HAS_SETSPENT
4675 DIE(PL_no_func, "setpwent");
4682 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4684 # ifdef HAS_ENDSPENT
4689 DIE(PL_no_func, "endpwent");
4696 return pp_ggrent(ARGS);
4698 DIE(PL_no_func, "getgrnam");
4705 return pp_ggrent(ARGS);
4707 DIE(PL_no_func, "getgrgid");
4714 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4715 I32 which = PL_op->op_type;
4716 register char **elem;
4718 struct group *grent;
4721 if (which == OP_GGRNAM)
4722 grent = (struct group *)getgrnam(POPpx);
4723 else if (which == OP_GGRGID)
4724 grent = (struct group *)getgrgid(POPi);
4726 grent = (struct group *)getgrent();
4729 if (GIMME != G_ARRAY) {
4730 PUSHs(sv = sv_newmortal());
4732 if (which == OP_GGRNAM)
4733 sv_setiv(sv, (IV)grent->gr_gid);
4735 sv_setpv(sv, grent->gr_name);
4741 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4742 sv_setpv(sv, grent->gr_name);
4744 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4746 sv_setpv(sv, grent->gr_passwd);
4749 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4750 sv_setiv(sv, (IV)grent->gr_gid);
4752 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4753 for (elem = grent->gr_mem; elem && *elem; elem++) {
4754 sv_catpv(sv, *elem);
4756 sv_catpvn(sv, " ", 1);
4762 DIE(PL_no_func, "getgrent");
4769 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4773 DIE(PL_no_func, "setgrent");
4780 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4784 DIE(PL_no_func, "endgrent");
4794 if (!(tmps = PerlProc_getlogin()))
4796 PUSHp(tmps, strlen(tmps));
4799 DIE(PL_no_func, "getlogin");
4803 /* Miscellaneous. */
4808 djSP; dMARK; dORIGMARK; dTARGET;
4809 register I32 items = SP - MARK;
4810 unsigned long a[20];
4817 while (++MARK <= SP) {
4818 if (SvTAINTED(*MARK)) {
4824 TAINT_PROPER("syscall");
4827 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4828 * or where sizeof(long) != sizeof(char*). But such machines will
4829 * not likely have syscall implemented either, so who cares?
4831 while (++MARK <= SP) {
4832 if (SvNIOK(*MARK) || !i)
4833 a[i++] = SvIV(*MARK);
4834 else if (*MARK == &PL_sv_undef)
4837 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4843 DIE("Too many args to syscall");
4845 DIE("Too few args to syscall");
4847 retval = syscall(a[0]);
4850 retval = syscall(a[0],a[1]);
4853 retval = syscall(a[0],a[1],a[2]);
4856 retval = syscall(a[0],a[1],a[2],a[3]);
4859 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4862 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4865 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4868 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4872 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4875 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4878 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4882 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4886 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4890 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4891 a[10],a[11],a[12],a[13]);
4893 #endif /* atarist */
4899 DIE(PL_no_func, "syscall");
4903 #ifdef FCNTL_EMULATE_FLOCK
4905 /* XXX Emulate flock() with fcntl().
4906 What's really needed is a good file locking module.
4910 fcntl_emulate_flock(pTHX_ int fd, int operation)
4914 switch (operation & ~LOCK_NB) {
4916 flock.l_type = F_RDLCK;
4919 flock.l_type = F_WRLCK;
4922 flock.l_type = F_UNLCK;
4928 flock.l_whence = SEEK_SET;
4929 flock.l_start = flock.l_len = 0L;
4931 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4934 #endif /* FCNTL_EMULATE_FLOCK */
4936 #ifdef LOCKF_EMULATE_FLOCK
4938 /* XXX Emulate flock() with lockf(). This is just to increase
4939 portability of scripts. The calls are not completely
4940 interchangeable. What's really needed is a good file
4944 /* The lockf() constants might have been defined in <unistd.h>.
4945 Unfortunately, <unistd.h> causes troubles on some mixed
4946 (BSD/POSIX) systems, such as SunOS 4.1.3.
4948 Further, the lockf() constants aren't POSIX, so they might not be
4949 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4950 just stick in the SVID values and be done with it. Sigh.
4954 # define F_ULOCK 0 /* Unlock a previously locked region */
4957 # define F_LOCK 1 /* Lock a region for exclusive use */
4960 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4963 # define F_TEST 3 /* Test a region for other processes locks */
4967 lockf_emulate_flock(pTHX_ int fd, int operation)
4973 /* flock locks entire file so for lockf we need to do the same */
4975 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4976 if (pos > 0) /* is seekable and needs to be repositioned */
4977 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4978 pos = -1; /* seek failed, so don't seek back afterwards */
4981 switch (operation) {
4983 /* LOCK_SH - get a shared lock */
4985 /* LOCK_EX - get an exclusive lock */
4987 i = lockf (fd, F_LOCK, 0);
4990 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4991 case LOCK_SH|LOCK_NB:
4992 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4993 case LOCK_EX|LOCK_NB:
4994 i = lockf (fd, F_TLOCK, 0);
4996 if ((errno == EAGAIN) || (errno == EACCES))
4997 errno = EWOULDBLOCK;
5000 /* LOCK_UN - unlock (non-blocking is a no-op) */
5002 case LOCK_UN|LOCK_NB:
5003 i = lockf (fd, F_ULOCK, 0);
5006 /* Default - can't decipher operation */
5013 if (pos > 0) /* need to restore position of the handle */
5014 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5019 #endif /* LOCKF_EMULATE_FLOCK */