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 S_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 Perl_croak(aTHX_ "switching effective uid is not implemented");
243 if (setreuid(euid, ruid))
246 if (setresuid(euid, ruid, (Uid_t)-1))
249 Perl_croak(aTHX_ "entering effective uid failed");
252 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
253 Perl_croak(aTHX_ "switching effective gid is not implemented");
256 if (setregid(egid, rgid))
259 if (setresgid(egid, rgid, (Gid_t)-1))
262 Perl_croak(aTHX_ "entering effective gid failed");
265 res = access(path, mode);
268 if (setreuid(ruid, euid))
271 if (setresuid(ruid, euid, (Uid_t)-1))
274 Perl_croak(aTHX_ "leaving effective uid failed");
277 if (setregid(rgid, egid))
280 if (setresgid(rgid, egid, (Gid_t)-1))
283 Perl_croak(aTHX_ "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 S_emulate_eaccess(pTHX_ const char* path, int mode)
297 Perl_croak(aTHX_ "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));
433 Perl_warn(aTHX_ "%_", tmpsv);
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));
491 DIE(aTHX_ "%_", tmpsv);
508 DIE(aTHX_ PL_no_usym, "filehandle");
513 DIE(aTHX_ 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(aTHX_ 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(aTHX_ 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(aTHX_ "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(aTHX_ "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)
809 Perl_warner(aTHX_ WARN_UNTIE,
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(aTHX_ "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);
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(aTHX_ "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();
1125 S_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(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
1178 DIE(aTHX_ "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(Perl_newSVpvf(aTHX_ "%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(aTHX_ "bad top format reference");
1255 SV *tmpsv = sv_newmortal();
1256 gv_efullname3(tmpsv, fgv, Nullch);
1257 DIE(aTHX_ "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 Perl_warner(aTHX_ WARN_IO, "Filehandle only opened for input");
1274 else if (ckWARN(WARN_CLOSED))
1275 Perl_warner(aTHX_ WARN_CLOSED, "Write on closed filehandle");
1280 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1281 if (ckWARN(WARN_IO))
1282 Perl_warner(aTHX_ 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 Perl_warner(aTHX_ 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 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for input",
1351 else if (ckWARN(WARN_CLOSED))
1352 Perl_warner(aTHX_ WARN_CLOSED, "printf on closed filehandle %s",
1355 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1359 do_sprintf(sv, SP - MARK, MARK + 1);
1360 if (!do_print(sv, fp))
1363 if (IoFLAGS(io) & IOf_FLUSH)
1364 if (PerlIO_flush(fp) == EOF)
1375 PUSHs(&PL_sv_undef);
1396 /* Need TIEHANDLE method ? */
1398 tmps = SvPV(sv, len);
1399 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1400 IoLINES(GvIOp(gv)) = 0;
1404 PUSHs(&PL_sv_undef);
1411 djSP; dMARK; dORIGMARK; dTARGET;
1417 Sock_size_t bufsize;
1423 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1424 (mg = SvTIED_mg((SV*)gv, 'q')))
1429 *MARK = SvTIED_obj((SV*)gv, mg);
1431 call_method("READ", G_SCALAR);
1444 sv_setpvn(bufsv, "", 0);
1445 buffer = SvPV_force(bufsv, blen);
1446 length = SvIVx(*++MARK);
1448 DIE(aTHX_ "Negative length");
1451 offset = SvIVx(*++MARK);
1455 if (!io || !IoIFP(io))
1458 if (PL_op->op_type == OP_RECV) {
1459 char namebuf[MAXPATHLEN];
1460 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1461 bufsize = sizeof (struct sockaddr_in);
1463 bufsize = sizeof namebuf;
1465 buffer = SvGROW(bufsv, length+1);
1466 /* 'offset' means 'flags' here */
1467 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1468 (struct sockaddr *)namebuf, &bufsize);
1471 SvCUR_set(bufsv, length);
1472 *SvEND(bufsv) = '\0';
1473 (void)SvPOK_only(bufsv);
1475 /* This should not be marked tainted if the fp is marked clean */
1476 if (!(IoFLAGS(io) & IOf_UNTAINT))
1477 SvTAINTED_on(bufsv);
1479 sv_setpvn(TARG, namebuf, bufsize);
1484 if (PL_op->op_type == OP_RECV)
1485 DIE(aTHX_ PL_no_sock_func, "recv");
1489 DIE(aTHX_ "Offset outside string");
1492 bufsize = SvCUR(bufsv);
1493 buffer = SvGROW(bufsv, length+offset+1);
1494 if (offset > bufsize) { /* Zero any newly allocated space */
1495 Zero(buffer+bufsize, offset-bufsize, char);
1497 if (PL_op->op_type == OP_SYSREAD) {
1498 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1499 if (IoTYPE(io) == 's') {
1500 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1501 buffer+offset, length, 0);
1506 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1507 buffer+offset, length);
1511 #ifdef HAS_SOCKET__bad_code_maybe
1512 if (IoTYPE(io) == 's') {
1513 char namebuf[MAXPATHLEN];
1514 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1515 bufsize = sizeof (struct sockaddr_in);
1517 bufsize = sizeof namebuf;
1519 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1520 (struct sockaddr *)namebuf, &bufsize);
1525 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1526 /* fread() returns 0 on both error and EOF */
1527 if (length == 0 && PerlIO_error(IoIFP(io)))
1532 SvCUR_set(bufsv, length+offset);
1533 *SvEND(bufsv) = '\0';
1534 (void)SvPOK_only(bufsv);
1536 /* This should not be marked tainted if the fp is marked clean */
1537 if (!(IoFLAGS(io) & IOf_UNTAINT))
1538 SvTAINTED_on(bufsv);
1551 int items = (SP - PL_stack_base) - TOPMARK;
1555 sv = sv_2mortal(newSViv(sv_len(*SP)));
1564 djSP; dMARK; dORIGMARK; dTARGET;
1575 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1579 *MARK = SvTIED_obj((SV*)gv, mg);
1581 call_method("WRITE", G_SCALAR);
1592 buffer = SvPV(bufsv, blen);
1593 length = SvIVx(*++MARK);
1595 DIE(aTHX_ "Negative length");
1598 if (!io || !IoIFP(io)) {
1600 if (ckWARN(WARN_CLOSED)) {
1601 if (PL_op->op_type == OP_SYSWRITE)
1602 Perl_warner(aTHX_ WARN_CLOSED, "Syswrite on closed filehandle");
1604 Perl_warner(aTHX_ WARN_CLOSED, "Send on closed socket");
1607 else if (PL_op->op_type == OP_SYSWRITE) {
1609 offset = SvIVx(*++MARK);
1612 DIE(aTHX_ "Offset outside string");
1614 } else if (offset >= blen && blen > 0)
1615 DIE(aTHX_ "Offset outside string");
1618 if (length > blen - offset)
1619 length = blen - offset;
1620 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1621 if (IoTYPE(io) == 's') {
1622 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1623 buffer+offset, length, 0);
1628 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1629 buffer+offset, length);
1633 else if (SP > MARK) {
1636 sockbuf = SvPVx(*++MARK, mlen);
1637 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1638 (struct sockaddr *)sockbuf, mlen);
1641 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1645 DIE(aTHX_ PL_no_sock_func, "send");
1660 return pp_sysread();
1672 gv = PL_last_in_gv = (GV*)POPs;
1674 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1676 XPUSHs(SvTIED_obj((SV*)gv, mg));
1679 call_method("EOF", G_SCALAR);
1685 PUSHs(boolSV(!gv || do_eof(gv)));
1698 gv = PL_last_in_gv = (GV*)POPs;
1700 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1702 XPUSHs(SvTIED_obj((SV*)gv, mg));
1705 call_method("TELL", G_SCALAR);
1711 PUSHi( do_tell(gv) );
1717 return pp_sysseek();
1725 Off_t offset = POPl;
1728 gv = PL_last_in_gv = (GV*)POPs;
1730 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1732 XPUSHs(SvTIED_obj((SV*)gv, mg));
1733 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1734 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1737 call_method("SEEK", G_SCALAR);
1743 if (PL_op->op_type == OP_SEEK)
1744 PUSHs(boolSV(do_seek(gv, offset, whence)));
1746 Off_t n = do_sysseek(gv, offset, whence);
1747 PUSHs((n < 0) ? &PL_sv_undef
1748 : sv_2mortal(n ? newSViv((IV)n)
1749 : newSVpvn(zero_but_true, ZBTLEN)));
1757 Off_t len = (Off_t)POPn;
1763 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1764 if (PL_op->op_flags & OPf_SPECIAL) {
1765 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1767 TAINT_PROPER("truncate");
1768 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1770 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1772 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1781 if (SvTYPE(sv) == SVt_PVGV) {
1782 tmpgv = (GV*)sv; /* *main::FRED for example */
1785 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1786 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1790 name = SvPV(sv, n_a);
1791 TAINT_PROPER("truncate");
1793 if (truncate(name, len) < 0)
1798 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1801 if (my_chsize(tmpfd, len) < 0)
1803 PerlLIO_close(tmpfd);
1812 SETERRNO(EBADF,RMS$_IFI);
1815 DIE(aTHX_ "truncate not implemented");
1828 unsigned int func = U_I(POPn);
1829 int optype = PL_op->op_type;
1835 if (!io || !argsv || !IoIFP(io)) {
1836 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1840 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1843 s = SvPV_force(argsv, len);
1844 need = IOCPARM_LEN(func);
1846 s = Sv_Grow(argsv, need + 1);
1847 SvCUR_set(argsv, need);
1850 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1853 retval = SvIV(argsv);
1854 s = (char*)retval; /* ouch */
1857 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1859 if (optype == OP_IOCTL)
1861 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1863 DIE(aTHX_ "ioctl is not implemented");
1867 #if defined(OS2) && defined(__EMX__)
1868 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1870 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1873 DIE(aTHX_ "fcntl is not implemented");
1877 if (s[SvCUR(argsv)] != 17)
1878 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1879 PL_op_name[optype]);
1880 s[SvCUR(argsv)] = 0; /* put our null back */
1881 SvSETMAGIC(argsv); /* Assume it has changed */
1890 PUSHp(zero_but_true, ZBTLEN);
1910 fp = IoIFP(GvIOp(gv));
1914 (void)PerlIO_flush(fp);
1915 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1922 DIE(aTHX_ PL_no_func, "flock()");
1934 int protocol = POPi;
1942 SETERRNO(EBADF,LIB$_INVARG);
1948 do_close(gv, FALSE);
1950 TAINT_PROPER("socket");
1951 fd = PerlSock_socket(domain, type, protocol);
1954 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1955 IoOFP(io) = PerlIO_fdopen(fd, "w");
1957 if (!IoIFP(io) || !IoOFP(io)) {
1958 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1959 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1960 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1966 DIE(aTHX_ PL_no_sock_func, "socket");
1973 #ifdef HAS_SOCKETPAIR
1978 int protocol = POPi;
1991 do_close(gv1, FALSE);
1993 do_close(gv2, FALSE);
1995 TAINT_PROPER("socketpair");
1996 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
1998 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1999 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2001 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2002 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2004 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2005 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2006 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2007 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2008 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2009 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2010 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2016 DIE(aTHX_ PL_no_sock_func, "socketpair");
2024 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2025 extern GETPRIVMODE();
2026 extern GETUSERMODE();
2031 register IO *io = GvIOn(gv);
2035 int mpeprivmode = 0;
2038 if (!io || !IoIFP(io))
2041 addr = SvPV(addrsv, len);
2042 TAINT_PROPER("bind");
2043 #ifdef MPE /* Deal with MPE bind() peculiarities */
2044 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2045 /* The address *MUST* stupidly be zero. */
2046 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2047 /* PRIV mode is required to bind() to ports < 1024. */
2048 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2049 ((struct sockaddr_in *)addr)->sin_port > 0) {
2050 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2055 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2056 (struct sockaddr *)addr, len) >= 0)
2059 #ifdef MPE /* Switch back to USER mode */
2070 if (ckWARN(WARN_CLOSED))
2071 Perl_warner(aTHX_ WARN_CLOSED, "bind() on closed fd");
2072 SETERRNO(EBADF,SS$_IVCHAN);
2075 DIE(aTHX_ PL_no_sock_func, "bind");
2086 register IO *io = GvIOn(gv);
2089 if (!io || !IoIFP(io))
2092 addr = SvPV(addrsv, len);
2093 TAINT_PROPER("connect");
2094 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2100 if (ckWARN(WARN_CLOSED))
2101 Perl_warner(aTHX_ WARN_CLOSED, "connect() on closed fd");
2102 SETERRNO(EBADF,SS$_IVCHAN);
2105 DIE(aTHX_ PL_no_sock_func, "connect");
2115 register IO *io = GvIOn(gv);
2117 if (!io || !IoIFP(io))
2120 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2126 if (ckWARN(WARN_CLOSED))
2127 Perl_warner(aTHX_ WARN_CLOSED, "listen() on closed fd");
2128 SETERRNO(EBADF,SS$_IVCHAN);
2131 DIE(aTHX_ PL_no_sock_func, "listen");
2143 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2144 Sock_size_t len = sizeof saddr;
2156 if (!gstio || !IoIFP(gstio))
2161 do_close(ngv, FALSE);
2163 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2166 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2167 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2168 IoTYPE(nstio) = 's';
2169 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2170 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2171 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2172 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2176 PUSHp((char *)&saddr, len);
2180 if (ckWARN(WARN_CLOSED))
2181 Perl_warner(aTHX_ WARN_CLOSED, "accept() on closed fd");
2182 SETERRNO(EBADF,SS$_IVCHAN);
2188 DIE(aTHX_ PL_no_sock_func, "accept");
2198 register IO *io = GvIOn(gv);
2200 if (!io || !IoIFP(io))
2203 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2207 if (ckWARN(WARN_CLOSED))
2208 Perl_warner(aTHX_ WARN_CLOSED, "shutdown() on closed fd");
2209 SETERRNO(EBADF,SS$_IVCHAN);
2212 DIE(aTHX_ PL_no_sock_func, "shutdown");
2219 return pp_ssockopt();
2221 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2229 int optype = PL_op->op_type;
2232 unsigned int optname;
2238 if (optype == OP_GSOCKOPT)
2239 sv = sv_2mortal(NEWSV(22, 257));
2242 optname = (unsigned int) POPi;
2243 lvl = (unsigned int) POPi;
2247 if (!io || !IoIFP(io))
2250 fd = PerlIO_fileno(IoIFP(io));
2254 (void)SvPOK_only(sv);
2258 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2273 aint = (int)SvIV(sv);
2277 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2286 if (ckWARN(WARN_CLOSED))
2287 Perl_warner(aTHX_ WARN_CLOSED, "[gs]etsockopt() on closed fd");
2288 SETERRNO(EBADF,SS$_IVCHAN);
2293 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2300 return pp_getpeername();
2302 DIE(aTHX_ PL_no_sock_func, "getsockname");
2310 int optype = PL_op->op_type;
2314 register IO *io = GvIOn(gv);
2317 if (!io || !IoIFP(io))
2320 sv = sv_2mortal(NEWSV(22, 257));
2321 (void)SvPOK_only(sv);
2325 fd = PerlIO_fileno(IoIFP(io));
2327 case OP_GETSOCKNAME:
2328 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2331 case OP_GETPEERNAME:
2332 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2334 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2336 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2337 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2338 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2339 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2340 sizeof(u_short) + sizeof(struct in_addr))) {
2347 #ifdef BOGUS_GETNAME_RETURN
2348 /* Interactive Unix, getpeername() and getsockname()
2349 does not return valid namelen */
2350 if (len == BOGUS_GETNAME_RETURN)
2351 len = sizeof(struct sockaddr);
2359 if (ckWARN(WARN_CLOSED))
2360 Perl_warner(aTHX_ WARN_CLOSED, "get{sock, peer}name() on closed fd");
2361 SETERRNO(EBADF,SS$_IVCHAN);
2366 DIE(aTHX_ PL_no_sock_func, "getpeername");
2385 if (PL_op->op_flags & OPf_REF) {
2386 tmpgv = cGVOP->op_gv;
2388 if (tmpgv != PL_defgv) {
2389 PL_laststype = OP_STAT;
2391 sv_setpv(PL_statname, "");
2392 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2393 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2395 if (PL_laststatval < 0)
2400 if (SvTYPE(sv) == SVt_PVGV) {
2404 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2405 tmpgv = (GV*)SvRV(sv);
2408 sv_setpv(PL_statname, SvPV(sv,n_a));
2411 PL_laststype = PL_op->op_type;
2412 if (PL_op->op_type == OP_LSTAT)
2413 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2416 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2417 if (PL_laststatval < 0) {
2418 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2419 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2425 if (gimme != G_ARRAY) {
2426 if (gimme != G_VOID)
2427 XPUSHs(boolSV(max));
2433 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2434 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2435 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2436 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2437 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2438 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2439 #ifdef USE_STAT_RDEV
2440 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2442 PUSHs(sv_2mortal(newSVpvn("", 0)));
2444 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2446 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2447 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2448 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2450 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2451 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2452 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2454 #ifdef USE_STAT_BLOCKS
2455 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2456 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2458 PUSHs(sv_2mortal(newSVpvn("", 0)));
2459 PUSHs(sv_2mortal(newSVpvn("", 0)));
2469 #if defined(HAS_ACCESS) && defined(R_OK)
2471 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2472 result = access(TOPpx, R_OK);
2487 if (cando(S_IRUSR, 0, &PL_statcache))
2496 #if defined(HAS_ACCESS) && defined(W_OK)
2498 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2499 result = access(TOPpx, W_OK);
2514 if (cando(S_IWUSR, 0, &PL_statcache))
2523 #if defined(HAS_ACCESS) && defined(X_OK)
2525 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2526 result = access(TOPpx, X_OK);
2541 if (cando(S_IXUSR, 0, &PL_statcache))
2550 #ifdef PERL_EFF_ACCESS_R_OK
2552 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2553 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2568 if (cando(S_IRUSR, 1, &PL_statcache))
2577 #ifdef PERL_EFF_ACCESS_W_OK
2579 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2580 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2595 if (cando(S_IWUSR, 1, &PL_statcache))
2604 #ifdef PERL_EFF_ACCESS_X_OK
2606 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2607 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2622 if (cando(S_IXUSR, 1, &PL_statcache))
2629 I32 result = my_stat();
2638 return pp_ftrowned();
2643 I32 result = my_stat();
2647 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2654 I32 result = my_stat();
2658 if (!PL_statcache.st_size)
2665 I32 result = my_stat();
2669 PUSHi(PL_statcache.st_size);
2675 I32 result = my_stat();
2679 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2685 I32 result = my_stat();
2689 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2695 I32 result = my_stat();
2699 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2705 I32 result = my_stat();
2709 if (S_ISSOCK(PL_statcache.st_mode))
2716 I32 result = my_stat();
2720 if (S_ISCHR(PL_statcache.st_mode))
2727 I32 result = my_stat();
2731 if (S_ISBLK(PL_statcache.st_mode))
2738 I32 result = my_stat();
2742 if (S_ISREG(PL_statcache.st_mode))
2749 I32 result = my_stat();
2753 if (S_ISDIR(PL_statcache.st_mode))
2760 I32 result = my_stat();
2764 if (S_ISFIFO(PL_statcache.st_mode))
2771 I32 result = my_lstat();
2775 if (S_ISLNK(PL_statcache.st_mode))
2784 I32 result = my_stat();
2788 if (PL_statcache.st_mode & S_ISUID)
2798 I32 result = my_stat();
2802 if (PL_statcache.st_mode & S_ISGID)
2812 I32 result = my_stat();
2816 if (PL_statcache.st_mode & S_ISVTX)
2827 char *tmps = Nullch;
2830 if (PL_op->op_flags & OPf_REF)
2832 else if (isGV(TOPs))
2834 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2835 gv = (GV*)SvRV(POPs);
2837 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2839 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2840 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2841 else if (tmps && isDIGIT(*tmps))
2845 if (PerlLIO_isatty(fd))
2850 #if defined(atarist) /* this will work with atariST. Configure will
2851 make guesses for other systems. */
2852 # define FILE_base(f) ((f)->_base)
2853 # define FILE_ptr(f) ((f)->_ptr)
2854 # define FILE_cnt(f) ((f)->_cnt)
2855 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2865 register STDCHAR *s;
2871 if (PL_op->op_flags & OPf_REF)
2873 else if (isGV(TOPs))
2875 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2876 gv = (GV*)SvRV(POPs);
2882 if (gv == PL_defgv) {
2884 io = GvIO(PL_statgv);
2887 goto really_filename;
2892 PL_laststatval = -1;
2893 sv_setpv(PL_statname, "");
2894 io = GvIO(PL_statgv);
2896 if (io && IoIFP(io)) {
2897 if (! PerlIO_has_base(IoIFP(io)))
2898 DIE(aTHX_ "-T and -B not implemented on filehandles");
2899 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2900 if (PL_laststatval < 0)
2902 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2903 if (PL_op->op_type == OP_FTTEXT)
2907 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2908 i = PerlIO_getc(IoIFP(io));
2910 (void)PerlIO_ungetc(IoIFP(io),i);
2912 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2914 len = PerlIO_get_bufsiz(IoIFP(io));
2915 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2916 /* sfio can have large buffers - limit to 512 */
2921 if (ckWARN(WARN_UNOPENED))
2922 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
2923 GvENAME(cGVOP->op_gv));
2924 SETERRNO(EBADF,RMS$_IFI);
2932 PL_laststatval = -1;
2933 sv_setpv(PL_statname, SvPV(sv, n_a));
2935 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2937 i = PerlLIO_open(SvPV(sv, n_a), 0);
2940 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
2941 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
2944 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2945 if (PL_laststatval < 0)
2947 len = PerlLIO_read(i, tbuf, 512);
2948 (void)PerlLIO_close(i);
2950 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2951 RETPUSHNO; /* special case NFS directories */
2952 RETPUSHYES; /* null file is anything */
2957 /* now scan s to look for textiness */
2958 /* XXX ASCII dependent code */
2960 for (i = 0; i < len; i++, s++) {
2961 if (!*s) { /* null never allowed in text */
2966 else if (!(isPRINT(*s) || isSPACE(*s)))
2972 *s != '\n' && *s != '\r' && *s != '\b' &&
2973 *s != '\t' && *s != '\f' && *s != 27)
2978 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3002 if (!tmps || !*tmps) {
3003 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3005 tmps = SvPV(*svp, n_a);
3007 if (!tmps || !*tmps) {
3008 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3010 tmps = SvPV(*svp, n_a);
3013 if (!tmps || !*tmps) {
3014 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3016 tmps = SvPV(*svp, n_a);
3019 TAINT_PROPER("chdir");
3020 PUSHi( PerlDir_chdir(tmps) >= 0 );
3022 /* Clear the DEFAULT element of ENV so we'll get the new value
3024 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3031 djSP; dMARK; dTARGET;
3034 value = (I32)apply(PL_op->op_type, MARK, SP);
3039 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3050 TAINT_PROPER("chroot");
3051 PUSHi( chroot(tmps) >= 0 );
3054 DIE(aTHX_ PL_no_func, "chroot");
3060 djSP; dMARK; dTARGET;
3062 value = (I32)apply(PL_op->op_type, MARK, SP);
3070 djSP; dMARK; dTARGET;
3072 value = (I32)apply(PL_op->op_type, MARK, SP);
3080 djSP; dMARK; dTARGET;
3082 value = (I32)apply(PL_op->op_type, MARK, SP);
3094 char *tmps2 = POPpx;
3095 char *tmps = SvPV(TOPs, n_a);
3096 TAINT_PROPER("rename");
3098 anum = PerlLIO_rename(tmps, tmps2);
3100 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3101 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3104 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3105 (void)UNLINK(tmps2);
3106 if (!(anum = link(tmps, tmps2)))
3107 anum = UNLINK(tmps);
3120 char *tmps2 = POPpx;
3121 char *tmps = SvPV(TOPs, n_a);
3122 TAINT_PROPER("link");
3123 SETi( link(tmps, tmps2) >= 0 );
3125 DIE(aTHX_ PL_no_func, "Unsupported function link");
3135 char *tmps2 = POPpx;
3136 char *tmps = SvPV(TOPs, n_a);
3137 TAINT_PROPER("symlink");
3138 SETi( symlink(tmps, tmps2) >= 0 );
3141 DIE(aTHX_ PL_no_func, "symlink");
3150 char buf[MAXPATHLEN];
3154 #ifndef INCOMPLETE_TAINTS
3158 len = readlink(tmps, buf, sizeof buf);
3166 RETSETUNDEF; /* just pretend it's a normal file */
3170 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3172 S_dooneliner(pTHX_ char *cmd, char *filename)
3174 char *save_filename = filename;
3180 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3181 strcpy(cmdline, cmd);
3182 strcat(cmdline, " ");
3183 for (s = cmdline + strlen(cmdline); *filename; ) {
3188 myfp = PerlProc_popen(cmdline, "r");
3192 SV *tmpsv = sv_newmortal();
3193 /* Need to save/restore 'PL_rs' ?? */
3194 s = sv_gets(tmpsv, myfp, 0);
3195 (void)PerlProc_pclose(myfp);
3199 #ifdef HAS_SYS_ERRLIST
3204 /* you don't see this */
3206 #ifdef HAS_SYS_ERRLIST
3214 if (instr(s, errmsg)) {
3221 #define EACCES EPERM
3223 if (instr(s, "cannot make"))
3224 SETERRNO(EEXIST,RMS$_FEX);
3225 else if (instr(s, "existing file"))
3226 SETERRNO(EEXIST,RMS$_FEX);
3227 else if (instr(s, "ile exists"))
3228 SETERRNO(EEXIST,RMS$_FEX);
3229 else if (instr(s, "non-exist"))
3230 SETERRNO(ENOENT,RMS$_FNF);
3231 else if (instr(s, "does not exist"))
3232 SETERRNO(ENOENT,RMS$_FNF);
3233 else if (instr(s, "not empty"))
3234 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3235 else if (instr(s, "cannot access"))
3236 SETERRNO(EACCES,RMS$_PRV);
3238 SETERRNO(EPERM,RMS$_PRV);
3241 else { /* some mkdirs return no failure indication */
3242 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3243 if (PL_op->op_type == OP_RMDIR)
3248 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3265 char *tmps = SvPV(TOPs, n_a);
3267 TAINT_PROPER("mkdir");
3269 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3271 SETi( dooneliner("mkdir", tmps) );
3272 oldumask = PerlLIO_umask(0);
3273 PerlLIO_umask(oldumask);
3274 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3286 TAINT_PROPER("rmdir");
3288 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3290 XPUSHi( dooneliner("rmdir", tmps) );
3295 /* Directory calls. */
3300 #if defined(Direntry_t) && defined(HAS_READDIR)
3302 char *dirname = POPpx;
3304 register IO *io = GvIOn(gv);
3310 PerlDir_close(IoDIRP(io));
3311 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3317 SETERRNO(EBADF,RMS$_DIR);
3320 DIE(aTHX_ PL_no_dir_func, "opendir");
3327 #if defined(Direntry_t) && defined(HAS_READDIR)
3329 Direntry_t *readdir (DIR *);
3331 register Direntry_t *dp;
3333 register IO *io = GvIOn(gv);
3336 if (!io || !IoDIRP(io))
3339 if (GIMME == G_ARRAY) {
3341 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3343 sv = newSVpvn(dp->d_name, dp->d_namlen);
3345 sv = newSVpv(dp->d_name, 0);
3347 #ifndef INCOMPLETE_TAINTS
3350 XPUSHs(sv_2mortal(sv));
3354 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3357 sv = newSVpvn(dp->d_name, dp->d_namlen);
3359 sv = newSVpv(dp->d_name, 0);
3361 #ifndef INCOMPLETE_TAINTS
3364 XPUSHs(sv_2mortal(sv));
3370 SETERRNO(EBADF,RMS$_ISI);
3371 if (GIMME == G_ARRAY)
3376 DIE(aTHX_ PL_no_dir_func, "readdir");
3383 #if defined(HAS_TELLDIR) || defined(telldir)
3384 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3385 /* XXX netbsd still seemed to.
3386 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3387 --JHI 1999-Feb-02 */
3388 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3389 long telldir (DIR *);
3392 register IO *io = GvIOn(gv);
3394 if (!io || !IoDIRP(io))
3397 PUSHi( PerlDir_tell(IoDIRP(io)) );
3401 SETERRNO(EBADF,RMS$_ISI);
3404 DIE(aTHX_ PL_no_dir_func, "telldir");
3411 #if defined(HAS_SEEKDIR) || defined(seekdir)
3414 register IO *io = GvIOn(gv);
3416 if (!io || !IoDIRP(io))
3419 (void)PerlDir_seek(IoDIRP(io), along);
3424 SETERRNO(EBADF,RMS$_ISI);
3427 DIE(aTHX_ PL_no_dir_func, "seekdir");
3434 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3436 register IO *io = GvIOn(gv);
3438 if (!io || !IoDIRP(io))
3441 (void)PerlDir_rewind(IoDIRP(io));
3445 SETERRNO(EBADF,RMS$_ISI);
3448 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3455 #if defined(Direntry_t) && defined(HAS_READDIR)
3457 register IO *io = GvIOn(gv);
3459 if (!io || !IoDIRP(io))
3462 #ifdef VOID_CLOSEDIR
3463 PerlDir_close(IoDIRP(io));
3465 if (PerlDir_close(IoDIRP(io)) < 0) {
3466 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3475 SETERRNO(EBADF,RMS$_IFI);
3478 DIE(aTHX_ PL_no_dir_func, "closedir");
3482 /* Process control. */
3492 PERL_FLUSHALL_FOR_CHILD;
3498 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3499 sv_setiv(GvSV(tmpgv), (IV)getpid());
3500 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3505 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3511 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3516 childpid = wait4pid(-1, &argflags, 0);
3517 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3521 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3527 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3535 childpid = wait4pid(childpid, &argflags, optype);
3536 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3540 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3546 djSP; dMARK; dORIGMARK; dTARGET;
3551 Sigsave_t ihand,qhand; /* place to save signals during system() */
3554 if (SP - MARK == 1) {
3556 char *junk = SvPV(TOPs, n_a);
3558 TAINT_PROPER("system");
3561 PERL_FLUSHALL_FOR_CHILD;
3562 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3563 while ((childpid = vfork()) == -1) {
3564 if (errno != EAGAIN) {
3573 rsignal_save(SIGINT, SIG_IGN, &ihand);
3574 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3576 result = wait4pid(childpid, &status, 0);
3577 } while (result == -1 && errno == EINTR);
3578 (void)rsignal_restore(SIGINT, &ihand);
3579 (void)rsignal_restore(SIGQUIT, &qhand);
3580 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3581 do_execfree(); /* free any memory child malloced on vfork */
3583 PUSHi(STATUS_CURRENT);
3586 if (PL_op->op_flags & OPf_STACKED) {
3587 SV *really = *++MARK;
3588 value = (I32)do_aexec(really, MARK, SP);
3590 else if (SP - MARK != 1)
3591 value = (I32)do_aexec(Nullsv, MARK, SP);
3593 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3596 #else /* ! FORK or VMS or OS/2 */
3597 if (PL_op->op_flags & OPf_STACKED) {
3598 SV *really = *++MARK;
3599 value = (I32)do_aspawn(aTHX_ really, (void **)MARK, (void **)SP);
3601 else if (SP - MARK != 1)
3602 value = (I32)do_aspawn(aTHX_ Nullsv, (void **)MARK, (void **)SP);
3604 value = (I32)do_spawn(aTHX_ SvPVx(sv_mortalcopy(*SP), n_a));
3606 STATUS_NATIVE_SET(value);
3609 PUSHi(STATUS_CURRENT);
3610 #endif /* !FORK or VMS */
3616 djSP; dMARK; dORIGMARK; dTARGET;
3620 PERL_FLUSHALL_FOR_CHILD;
3621 if (PL_op->op_flags & OPf_STACKED) {
3622 SV *really = *++MARK;
3623 value = (I32)do_aexec(really, MARK, SP);
3625 else if (SP - MARK != 1)
3627 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3631 (void ) do_aspawn(aTHX_ Nullsv, MARK, SP);
3635 value = (I32)do_aexec(Nullsv, MARK, SP);
3640 char *junk = SvPV(*SP, n_a);
3642 TAINT_PROPER("exec");
3645 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3648 (void) do_spawn(aTHX_ SvPVx(sv_mortalcopy(*SP), n_a));
3651 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3662 djSP; dMARK; dTARGET;
3665 value = (I32)apply(PL_op->op_type, MARK, SP);
3670 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3678 XPUSHi( getppid() );
3681 DIE(aTHX_ PL_no_func, "getppid");
3697 value = (I32)BSD_GETPGRP(pid);
3699 if (pid != 0 && pid != getpid())
3700 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3701 value = (I32)getpgrp();
3706 DIE(aTHX_ PL_no_func, "getpgrp()");
3725 TAINT_PROPER("setpgrp");
3727 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3729 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3730 DIE(aTHX_ "POSIX setpgrp can't take an argument");
3731 SETi( setpgrp() >= 0 );
3732 #endif /* USE_BSDPGRP */
3735 DIE(aTHX_ PL_no_func, "setpgrp()");
3744 #ifdef HAS_GETPRIORITY
3747 SETi( getpriority(which, who) );
3750 DIE(aTHX_ PL_no_func, "getpriority()");
3760 #ifdef HAS_SETPRIORITY
3764 TAINT_PROPER("setpriority");
3765 SETi( setpriority(which, who, niceval) >= 0 );
3768 DIE(aTHX_ PL_no_func, "setpriority()");
3778 XPUSHn( time(Null(Time_t*)) );
3780 XPUSHi( time(Null(Time_t*)) );
3785 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3786 to HZ. Probably. For now, assume that if the system
3787 defines HZ, it does so correctly. (Will this break
3789 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3790 it's supported. --AD 9/96.
3806 DIE(aTHX_ "times not implemented");
3811 (void)PerlProc_times(&PL_timesbuf);
3813 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3814 /* struct tms, though same data */
3818 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_utime)/HZ)));
3819 if (GIMME == G_ARRAY) {
3820 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_stime)/HZ)));
3821 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cutime)/HZ)));
3822 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cstime)/HZ)));
3825 #endif /* HAS_TIMES */
3838 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3839 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3840 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3846 when = (Time_t)SvNVx(POPs);
3848 when = (Time_t)SvIVx(POPs);
3851 if (PL_op->op_type == OP_LOCALTIME)
3852 tmbuf = localtime(&when);
3854 tmbuf = gmtime(&when);
3858 if (GIMME != G_ARRAY) {
3863 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
3864 dayname[tmbuf->tm_wday],
3865 monname[tmbuf->tm_mon],
3870 tmbuf->tm_year + 1900);
3871 PUSHs(sv_2mortal(tsv));
3874 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3875 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3876 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3877 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3878 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3879 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3880 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3881 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3882 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3893 anum = alarm((unsigned int)anum);
3900 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
3911 (void)time(&lasttime);
3916 PerlProc_sleep((unsigned int)duration);
3919 XPUSHi(when - lasttime);
3923 /* Shared memory. */
3937 return pp_shmwrite();
3942 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3943 djSP; dMARK; dTARGET;
3944 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
3953 /* Message passing. */
3967 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3968 djSP; dMARK; dTARGET;
3969 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3980 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3981 djSP; dMARK; dTARGET;
3982 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3995 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3996 djSP; dMARK; dTARGET;
3997 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4004 DIE(aTHX_ "System V IPC is not implemented on this machine");
4010 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4011 djSP; dMARK; dTARGET;
4012 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4020 PUSHp(zero_but_true, ZBTLEN);
4030 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4031 djSP; dMARK; dTARGET;
4032 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4041 /* Get system info. */
4045 #ifdef HAS_GETHOSTBYNAME
4046 return pp_ghostent();
4048 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4054 #ifdef HAS_GETHOSTBYADDR
4055 return pp_ghostent();
4057 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4064 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4065 I32 which = PL_op->op_type;
4066 register char **elem;
4068 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4069 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4070 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4071 struct hostent *PerlSock_gethostent(void);
4073 struct hostent *hent;
4078 if (which == OP_GHBYNAME)
4079 #ifdef HAS_GETHOSTBYNAME
4080 hent = PerlSock_gethostbyname(POPpx);
4082 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4084 else if (which == OP_GHBYADDR) {
4085 #ifdef HAS_GETHOSTBYADDR
4086 int addrtype = POPi;
4089 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4091 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4093 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4097 #ifdef HAS_GETHOSTENT
4098 hent = PerlSock_gethostent();
4100 DIE(aTHX_ PL_no_sock_func, "gethostent");
4103 #ifdef HOST_NOT_FOUND
4105 STATUS_NATIVE_SET(h_errno);
4108 if (GIMME != G_ARRAY) {
4109 PUSHs(sv = sv_newmortal());
4111 if (which == OP_GHBYNAME) {
4113 sv_setpvn(sv, hent->h_addr, hent->h_length);
4116 sv_setpv(sv, (char*)hent->h_name);
4122 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4123 sv_setpv(sv, (char*)hent->h_name);
4124 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4125 for (elem = hent->h_aliases; elem && *elem; elem++) {
4126 sv_catpv(sv, *elem);
4128 sv_catpvn(sv, " ", 1);
4130 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4131 sv_setiv(sv, (IV)hent->h_addrtype);
4132 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4133 len = hent->h_length;
4134 sv_setiv(sv, (IV)len);
4136 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4137 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4138 sv_setpvn(sv, *elem, len);
4141 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4143 sv_setpvn(sv, hent->h_addr, len);
4148 DIE(aTHX_ PL_no_sock_func, "gethostent");
4154 #ifdef HAS_GETNETBYNAME
4155 return pp_gnetent();
4157 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4163 #ifdef HAS_GETNETBYADDR
4164 return pp_gnetent();
4166 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4173 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4174 I32 which = PL_op->op_type;
4175 register char **elem;
4177 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4178 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4179 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4180 struct netent *PerlSock_getnetent(void);
4182 struct netent *nent;
4185 if (which == OP_GNBYNAME)
4186 #ifdef HAS_GETNETBYNAME
4187 nent = PerlSock_getnetbyname(POPpx);
4189 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4191 else if (which == OP_GNBYADDR) {
4192 #ifdef HAS_GETNETBYADDR
4193 int addrtype = POPi;
4194 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4195 nent = PerlSock_getnetbyaddr(addr, addrtype);
4197 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4201 #ifdef HAS_GETNETENT
4202 nent = PerlSock_getnetent();
4204 DIE(aTHX_ PL_no_sock_func, "getnetent");
4208 if (GIMME != G_ARRAY) {
4209 PUSHs(sv = sv_newmortal());
4211 if (which == OP_GNBYNAME)
4212 sv_setiv(sv, (IV)nent->n_net);
4214 sv_setpv(sv, nent->n_name);
4220 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4221 sv_setpv(sv, nent->n_name);
4222 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4223 for (elem = nent->n_aliases; elem && *elem; elem++) {
4224 sv_catpv(sv, *elem);
4226 sv_catpvn(sv, " ", 1);
4228 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4229 sv_setiv(sv, (IV)nent->n_addrtype);
4230 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4231 sv_setiv(sv, (IV)nent->n_net);
4236 DIE(aTHX_ PL_no_sock_func, "getnetent");
4242 #ifdef HAS_GETPROTOBYNAME
4243 return pp_gprotoent();
4245 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4251 #ifdef HAS_GETPROTOBYNUMBER
4252 return pp_gprotoent();
4254 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4261 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4262 I32 which = PL_op->op_type;
4263 register char **elem;
4265 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4266 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4267 struct protoent *PerlSock_getprotobynumber(int);
4268 struct protoent *PerlSock_getprotoent(void);
4270 struct protoent *pent;
4273 if (which == OP_GPBYNAME)
4274 #ifdef HAS_GETPROTOBYNAME
4275 pent = PerlSock_getprotobyname(POPpx);
4277 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4279 else if (which == OP_GPBYNUMBER)
4280 #ifdef HAS_GETPROTOBYNUMBER
4281 pent = PerlSock_getprotobynumber(POPi);
4283 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4286 #ifdef HAS_GETPROTOENT
4287 pent = PerlSock_getprotoent();
4289 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4293 if (GIMME != G_ARRAY) {
4294 PUSHs(sv = sv_newmortal());
4296 if (which == OP_GPBYNAME)
4297 sv_setiv(sv, (IV)pent->p_proto);
4299 sv_setpv(sv, pent->p_name);
4305 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4306 sv_setpv(sv, pent->p_name);
4307 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4308 for (elem = pent->p_aliases; elem && *elem; elem++) {
4309 sv_catpv(sv, *elem);
4311 sv_catpvn(sv, " ", 1);
4313 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4314 sv_setiv(sv, (IV)pent->p_proto);
4319 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4325 #ifdef HAS_GETSERVBYNAME
4326 return pp_gservent();
4328 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4334 #ifdef HAS_GETSERVBYPORT
4335 return pp_gservent();
4337 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4344 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4345 I32 which = PL_op->op_type;
4346 register char **elem;
4348 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4349 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4350 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4351 struct servent *PerlSock_getservent(void);
4353 struct servent *sent;
4356 if (which == OP_GSBYNAME) {
4357 #ifdef HAS_GETSERVBYNAME
4358 char *proto = POPpx;
4361 if (proto && !*proto)
4364 sent = PerlSock_getservbyname(name, proto);
4366 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4369 else if (which == OP_GSBYPORT) {
4370 #ifdef HAS_GETSERVBYPORT
4371 char *proto = POPpx;
4372 unsigned short port = POPu;
4375 port = PerlSock_htons(port);
4377 sent = PerlSock_getservbyport(port, proto);
4379 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4383 #ifdef HAS_GETSERVENT
4384 sent = PerlSock_getservent();
4386 DIE(aTHX_ PL_no_sock_func, "getservent");
4390 if (GIMME != G_ARRAY) {
4391 PUSHs(sv = sv_newmortal());
4393 if (which == OP_GSBYNAME) {
4395 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4397 sv_setiv(sv, (IV)(sent->s_port));
4401 sv_setpv(sv, sent->s_name);
4407 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4408 sv_setpv(sv, sent->s_name);
4409 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4410 for (elem = sent->s_aliases; elem && *elem; elem++) {
4411 sv_catpv(sv, *elem);
4413 sv_catpvn(sv, " ", 1);
4415 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4417 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4419 sv_setiv(sv, (IV)(sent->s_port));
4421 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4422 sv_setpv(sv, sent->s_proto);
4427 DIE(aTHX_ PL_no_sock_func, "getservent");
4434 #ifdef HAS_SETHOSTENT
4435 PerlSock_sethostent(TOPi);
4438 DIE(aTHX_ PL_no_sock_func, "sethostent");
4445 #ifdef HAS_SETNETENT
4446 PerlSock_setnetent(TOPi);
4449 DIE(aTHX_ PL_no_sock_func, "setnetent");
4456 #ifdef HAS_SETPROTOENT
4457 PerlSock_setprotoent(TOPi);
4460 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4467 #ifdef HAS_SETSERVENT
4468 PerlSock_setservent(TOPi);
4471 DIE(aTHX_ PL_no_sock_func, "setservent");
4478 #ifdef HAS_ENDHOSTENT
4479 PerlSock_endhostent();
4483 DIE(aTHX_ PL_no_sock_func, "endhostent");
4490 #ifdef HAS_ENDNETENT
4491 PerlSock_endnetent();
4495 DIE(aTHX_ PL_no_sock_func, "endnetent");
4502 #ifdef HAS_ENDPROTOENT
4503 PerlSock_endprotoent();
4507 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4514 #ifdef HAS_ENDSERVENT
4515 PerlSock_endservent();
4519 DIE(aTHX_ PL_no_sock_func, "endservent");
4528 DIE(aTHX_ PL_no_func, "getpwnam");
4537 DIE(aTHX_ PL_no_func, "getpwuid");
4544 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4545 I32 which = PL_op->op_type;
4547 struct passwd *pwent;
4550 struct spwd *spwent = NULL;
4553 if (which == OP_GPWNAM)
4554 pwent = getpwnam(POPpx);
4555 else if (which == OP_GPWUID)
4556 pwent = getpwuid(POPi);
4558 pwent = (struct passwd *)getpwent();
4561 if (which == OP_GPWNAM) {
4563 spwent = getspnam(pwent->pw_name);
4565 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4566 else if (which == OP_GPWUID) {
4568 spwent = getspnam(pwent->pw_name);
4572 spwent = (struct spwd *)getspent();
4576 if (GIMME != G_ARRAY) {
4577 PUSHs(sv = sv_newmortal());
4579 if (which == OP_GPWNAM)
4580 sv_setiv(sv, (IV)pwent->pw_uid);
4582 sv_setpv(sv, pwent->pw_name);
4588 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4589 sv_setpv(sv, pwent->pw_name);
4591 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4593 # ifdef HAS_GETSPENT
4595 sv_setpv(sv, spwent->sp_pwdp);
4597 sv_setpv(sv, pwent->pw_passwd);
4599 sv_setpv(sv, pwent->pw_passwd);
4603 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4604 sv_setiv(sv, (IV)pwent->pw_uid);
4606 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4607 sv_setiv(sv, (IV)pwent->pw_gid);
4609 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4610 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4612 sv_setiv(sv, (IV)pwent->pw_change);
4615 sv_setiv(sv, (IV)pwent->pw_quota);
4618 sv_setpv(sv, pwent->pw_age);
4623 /* pw_class and pw_comment are mutually exclusive. */
4624 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4626 sv_setpv(sv, pwent->pw_class);
4629 sv_setpv(sv, pwent->pw_comment);
4633 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4635 sv_setpv(sv, pwent->pw_gecos);
4637 #ifndef INCOMPLETE_TAINTS
4638 /* pw_gecos is tainted because user himself can diddle with it. */
4642 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4643 sv_setpv(sv, pwent->pw_dir);
4645 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4646 sv_setpv(sv, pwent->pw_shell);
4649 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4650 sv_setiv(sv, (IV)pwent->pw_expire);
4655 DIE(aTHX_ PL_no_func, "getpwent");
4662 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4664 # ifdef HAS_SETSPENT
4669 DIE(aTHX_ PL_no_func, "setpwent");
4676 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4678 # ifdef HAS_ENDSPENT
4683 DIE(aTHX_ PL_no_func, "endpwent");
4692 DIE(aTHX_ PL_no_func, "getgrnam");
4701 DIE(aTHX_ PL_no_func, "getgrgid");
4708 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4709 I32 which = PL_op->op_type;
4710 register char **elem;
4712 struct group *grent;
4715 if (which == OP_GGRNAM)
4716 grent = (struct group *)getgrnam(POPpx);
4717 else if (which == OP_GGRGID)
4718 grent = (struct group *)getgrgid(POPi);
4720 grent = (struct group *)getgrent();
4723 if (GIMME != G_ARRAY) {
4724 PUSHs(sv = sv_newmortal());
4726 if (which == OP_GGRNAM)
4727 sv_setiv(sv, (IV)grent->gr_gid);
4729 sv_setpv(sv, grent->gr_name);
4735 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4736 sv_setpv(sv, grent->gr_name);
4738 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4740 sv_setpv(sv, grent->gr_passwd);
4743 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4744 sv_setiv(sv, (IV)grent->gr_gid);
4746 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4747 for (elem = grent->gr_mem; elem && *elem; elem++) {
4748 sv_catpv(sv, *elem);
4750 sv_catpvn(sv, " ", 1);
4756 DIE(aTHX_ PL_no_func, "getgrent");
4763 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4767 DIE(aTHX_ PL_no_func, "setgrent");
4774 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4778 DIE(aTHX_ PL_no_func, "endgrent");
4788 if (!(tmps = PerlProc_getlogin()))
4790 PUSHp(tmps, strlen(tmps));
4793 DIE(aTHX_ PL_no_func, "getlogin");
4797 /* Miscellaneous. */
4802 djSP; dMARK; dORIGMARK; dTARGET;
4803 register I32 items = SP - MARK;
4804 unsigned long a[20];
4811 while (++MARK <= SP) {
4812 if (SvTAINTED(*MARK)) {
4818 TAINT_PROPER("syscall");
4821 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4822 * or where sizeof(long) != sizeof(char*). But such machines will
4823 * not likely have syscall implemented either, so who cares?
4825 while (++MARK <= SP) {
4826 if (SvNIOK(*MARK) || !i)
4827 a[i++] = SvIV(*MARK);
4828 else if (*MARK == &PL_sv_undef)
4831 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4837 DIE(aTHX_ "Too many args to syscall");
4839 DIE(aTHX_ "Too few args to syscall");
4841 retval = syscall(a[0]);
4844 retval = syscall(a[0],a[1]);
4847 retval = syscall(a[0],a[1],a[2]);
4850 retval = syscall(a[0],a[1],a[2],a[3]);
4853 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4856 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4859 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4862 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4866 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4869 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4872 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4876 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4880 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4884 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4885 a[10],a[11],a[12],a[13]);
4887 #endif /* atarist */
4893 DIE(aTHX_ PL_no_func, "syscall");
4897 #ifdef FCNTL_EMULATE_FLOCK
4899 /* XXX Emulate flock() with fcntl().
4900 What's really needed is a good file locking module.
4904 fcntl_emulate_flock(int fd, int operation)
4908 switch (operation & ~LOCK_NB) {
4910 flock.l_type = F_RDLCK;
4913 flock.l_type = F_WRLCK;
4916 flock.l_type = F_UNLCK;
4922 flock.l_whence = SEEK_SET;
4923 flock.l_start = flock.l_len = 0L;
4925 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4928 #endif /* FCNTL_EMULATE_FLOCK */
4930 #ifdef LOCKF_EMULATE_FLOCK
4932 /* XXX Emulate flock() with lockf(). This is just to increase
4933 portability of scripts. The calls are not completely
4934 interchangeable. What's really needed is a good file
4938 /* The lockf() constants might have been defined in <unistd.h>.
4939 Unfortunately, <unistd.h> causes troubles on some mixed
4940 (BSD/POSIX) systems, such as SunOS 4.1.3.
4942 Further, the lockf() constants aren't POSIX, so they might not be
4943 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4944 just stick in the SVID values and be done with it. Sigh.
4948 # define F_ULOCK 0 /* Unlock a previously locked region */
4951 # define F_LOCK 1 /* Lock a region for exclusive use */
4954 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4957 # define F_TEST 3 /* Test a region for other processes locks */
4961 lockf_emulate_flock(int fd, int operation)
4967 /* flock locks entire file so for lockf we need to do the same */
4969 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4970 if (pos > 0) /* is seekable and needs to be repositioned */
4971 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4972 pos = -1; /* seek failed, so don't seek back afterwards */
4975 switch (operation) {
4977 /* LOCK_SH - get a shared lock */
4979 /* LOCK_EX - get an exclusive lock */
4981 i = lockf (fd, F_LOCK, 0);
4984 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4985 case LOCK_SH|LOCK_NB:
4986 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4987 case LOCK_EX|LOCK_NB:
4988 i = lockf (fd, F_TLOCK, 0);
4990 if ((errno == EAGAIN) || (errno == EACCES))
4991 errno = EWOULDBLOCK;
4994 /* LOCK_UN - unlock (non-blocking is a no-op) */
4996 case LOCK_UN|LOCK_NB:
4997 i = lockf (fd, F_ULOCK, 0);
5000 /* Default - can't decipher operation */
5007 if (pos > 0) /* need to restore position of the handle */
5008 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5013 #endif /* LOCKF_EMULATE_FLOCK */