/* perl.c
*
- * Copyright (c) 1987-1997 Larry Wall
+ * Copyright (c) 1987-1998 Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
static int fdscript = -1;
-#if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__)
-#include <asm/sigcontext.h>
-static void
-catch_sigsegv(int signo, struct sigcontext_struct sc)
-{
- signal(SIGSEGV, SIG_DFL);
- fprintf(stderr, "Segmentation fault dereferencing 0x%lx\n"
- "return_address = 0x%lx, eip = 0x%lx\n",
- sc.cr2, __builtin_return_address(0), sc.eip);
- fprintf(stderr, "thread = 0x%lx\n", (unsigned long)THR);
-}
-#endif
-
PerlInterpreter *
perl_alloc(void)
{
COND_INIT(&eval_cond);
MUTEX_INIT(&threads_mutex);
COND_INIT(&nthreads_cond);
+#ifdef EMULATE_ATOMIC_REFCOUNTS
+ MUTEX_INIT(&svref_mutex);
+#endif /* EMULATE_ATOMIC_REFCOUNTS */
thr = init_main_thread();
#endif /* USE_THREADS */
#ifdef DEBUGGING
{
char *s;
- if (s = getenv("PERL_DESTRUCT_LEVEL")) {
+ if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) {
int i = atoi(s);
if (destruct_level < i)
destruct_level = i;
croak("No -e allowed in setuid scripts");
if (!e_fp) {
e_tmpname = savepv(TMPPATH);
- (void)mktemp(e_tmpname);
+ (void)PerlLIO_mktemp(e_tmpname);
if (!*e_tmpname)
croak("Can't mktemp()");
e_fp = PerlIO_open(e_tmpname,"w");
}
switch_end:
- if (!tainting && (s = getenv("PERL5OPT"))) {
+ if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) {
while (s && *s) {
while (isSPACE(*s))
s++;
}
else if (scriptname == Nullch) {
#ifdef MSDOS
- if ( isatty(PerlIO_fileno(PerlIO_stdin())) )
+ if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) )
moreswitches("h");
#endif
scriptname = "-";
init_os_extras();
#endif
-#if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__)
- DEBUG_L(signal(SIGSEGV, (void(*)(int))catch_sigsegv););
-#endif
-
init_predump_symbols();
if (!do_undump)
init_postdump_symbols(argc,argv,env);
/* now parse the script */
+ SETERRNO(0,SS$_NORMAL);
error_count = 0;
if (yyparse() || error_count) {
if (minus_c)
/* now that script is parsed, we can modify record separator */
SvREFCNT_dec(rs);
rs = SvREFCNT_inc(nrs);
-#ifdef USE_THREADS
- sv_setsv(*av_fetch(thr->threadsv, find_threadsv("/"), FALSE), rs);
-#else
- sv_setsv(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), rs);
-#endif /* USE_THREADS */
+ sv_setsv(perl_get_sv("/", TRUE), rs);
if (do_undump)
my_unexec();
FREETMPS;
#ifdef MYMALLOC
- if ((s=getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2)
+ if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2)
dump_mstats("after compilation:");
#endif
if (endav)
call_list(oldscope, endav);
#ifdef MYMALLOC
- if (getenv("PERL_DEBUG_MSTATS"))
+ if (PerlEnv_getenv("PERL_DEBUG_MSTATS"))
dump_mstats("after execution: ");
#endif
JMPENV_POP;
PADOFFSET tmp = find_threadsv(name);
if (tmp != NOT_IN_PAD) {
dTHR;
- return *av_fetch(thr->threadsv, tmp, FALSE);
+ return THREADSV(tmp);
}
}
#endif /* USE_THREADS */
return s;
case 'h':
usage(origargv[0]);
- exit(0);
+ PerlProc_exit(0);
case 'i':
if (inplace)
Safefree(inplace);
LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : "");
#endif
- printf("\n\nCopyright 1987-1997, Larry Wall\n");
+ printf("\n\nCopyright 1987-1998, Larry Wall\n");
#ifdef MSDOS
printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n");
#endif
#ifdef DJGPP
printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n");
- printf("djgpp v2 port (perl5004) by Laszlo Molnar, 1997\n");
+ printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1998\n");
#endif
#ifdef OS2
printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n"
- "Version 5 port Copyright (c) 1994-1997, Andreas Kaiser, Ilya Zakharevich\n");
+ "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n");
#endif
#ifdef atarist
printf("atariST series port, ++jrb bammi@cadence.com\n");
printf("\n\
Perl may be copied only under the terms of either the Artistic License or the\n\
GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n");
- exit(0);
+ PerlProc_exit(0);
case 'w':
dowarn = TRUE;
s++;
if (status)
PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n",
SvPVX(prog), SvPVX(file));
- exit(status);
+ PerlProc_exit(status);
#else
# ifdef VMS
# include <lib$routines.h>
sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1);
}
-#ifdef CAN_PROTOTYPE
static void
open_script(char *scriptname, bool dosearch, SV *sv)
-#else
-static void
-open_script(scriptname,dosearch,sv)
-char *scriptname;
-bool dosearch;
-SV *sv;
-#endif
{
dTHR;
char *xfound = Nullch;
*
* Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search
* proceeds as follows:
- * If DOSISH:
+ * If DOSISH or VMSISH:
* + look for ./scriptname{,.foo,.bar}
* + search the PATH for scriptname{,.foo,.bar}
*
*/
#ifdef VMS
+# ifdef ALWAYS_DEFTYPES
+ len = strlen(scriptname);
+ if (!(len == 1 && *scriptname == '-') && scriptname[len-1] != ':') {
+ int hasdir, idx = 0, deftypes = 1;
+ bool seen_dot = 1;
+
+ hasdir = !dosearch || (strpbrk(scriptname,":[</") != Nullch) ;
+# else
if (dosearch) {
int hasdir, idx = 0, deftypes = 1;
bool seen_dot = 1;
hasdir = (strpbrk(scriptname,":[</") != Nullch) ;
+# endif
/* The first time through, just add SEARCH_EXTS to whatever we
* already have, so we can check for default file types. */
while (deftypes ||
#ifdef DOSISH
&& !strchr(scriptname, '\\')
#endif
- && (s = getenv("PATH"))) {
+ && (s = PerlEnv_getenv("PATH"))) {
bool seen_dot = 0;
bufend = s + strlen(s);
croak("Can't do seteuid!\n");
}
#endif /* IAMSUID */
- rsfp = my_popen(SvPVX(cmd), "r");
+ rsfp = PerlProc_popen(SvPVX(cmd), "r");
SvREFCNT_dec(cmd);
SvREFCNT_dec(cpp);
}
if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 &&
statbuf.st_mode & (S_ISUID|S_ISGID)) {
/* try again */
- execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv);
+ PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv);
croak("Can't do setuid\n");
}
#endif
dTHR;
char *s, *s2;
- if (Fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */
+ if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */
croak("Can't stat script \"%s\"",origfilename);
if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) {
I32 len;
* But I don't think it's too important. The manual lies when
* it says access() is useful in setuid programs.
*/
- if (access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/
+ if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/
croak("Permission denied");
#else
/* If we can swap euid and uid, then we can determine access rights
if (tmpstatbuf.st_dev != statbuf.st_dev ||
tmpstatbuf.st_ino != statbuf.st_ino) {
(void)PerlIO_close(rsfp);
- if (rsfp = my_popen("/bin/mail root","w")) { /* heh, heh */
+ if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */
PerlIO_printf(rsfp,
"User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\
(Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n",
(long)statbuf.st_dev, (long)statbuf.st_ino,
SvPVX(GvSV(curcop->cop_filegv)),
(long)statbuf.st_uid, (long)statbuf.st_gid);
- (void)my_pclose(rsfp);
+ (void)PerlProc_pclose(rsfp);
}
croak("Permission denied\n");
}
(void)PerlIO_close(rsfp);
#ifndef IAMSUID
/* try again */
- execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv);
+ PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv);
#endif
croak("Can't do setuid\n");
}
/* exec the real perl, substituting fd script for scriptname. */
/* (We pass script name as "subdir" of fd, which perl will grok.) */
PerlIO_rewind(rsfp);
- lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */
+ PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */
for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ;
if (!origargv[which])
croak("Permission denied");
#if defined(HAS_FCNTL) && defined(F_SETFD)
fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */
#endif
- execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */
+ PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */
croak("Can't do setuid\n");
#endif /* IAMSUID */
#else /* !DOSUID */
if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */
#ifndef SETUID_SCRIPTS_ARE_SECURE_NOW
dTHR;
- Fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */
+ PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */
if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID)
||
(egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID)
/*SUPPRESS 530*/
while (s = moreswitches(s)) ;
}
- if (cddir && chdir(cddir) < 0)
+ if (cddir && PerlDir_chdir(cddir) < 0)
croak("Can't chdir to %s",cddir);
}
}
GV *tmpgv;
GV *othergv;
-#ifdef USE_THREADS
- sv_setpvn(*av_fetch(thr->threadsv,find_threadsv("\""),FALSE)," ", 1);
-#else
- sv_setpvn(GvSV(gv_fetchpv("\"", TRUE, SVt_PV)), " ", 1);
-#endif /* USE_THREADS */
-
+ sv_setpvn(perl_get_sv("\"", TRUE), " ", 1);
stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO);
GvMULTI_on(stdingv);
IoIFP(GvIOp(stdingv)) = PerlIO_stdin();
*s = '=';
#if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV)
/* Sins of the RTL. See note in my_setenv(). */
- (void)putenv(savepv(*env));
+ (void)PerlEnv_putenv(savepv(*env));
#endif
}
#endif
char *s;
if (!tainting) {
#ifndef VMS
- s = getenv("PERL5LIB");
+ s = PerlEnv_getenv("PERL5LIB");
if (s)
incpush(s, TRUE);
else
- incpush(getenv("PERLLIB"), FALSE);
+ incpush(PerlEnv_getenv("PERLLIB"), FALSE);
#else /* VMS */
/* Treat PERL5?LIB as a possible search list logical name -- the
* "natural" VMS idiom for a Unix path string. We allow each
}
/* Use the ~-expanded versions of APPLLIB (undocumented),
- ARCHLIB PRIVLIB SITEARCH SITELIB and OLDARCHLIB
+ ARCHLIB PRIVLIB SITEARCH and SITELIB
*/
#ifdef APPLLIB_EXP
incpush(APPLLIB_EXP, FALSE);
#ifdef SITELIB_EXP
incpush(SITELIB_EXP, FALSE);
#endif
-#ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */
- incpush(OLDARCHLIB_EXP, FALSE);
-#endif
-
if (!tainting)
incpush(".", FALSE);
}
return;
if (addsubdirs) {
- subdir = newSV(0);
+ subdir = NEWSV(55,0);
if (!archpat_auto) {
STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel)
+ sizeof("//auto"));
/* Break at all separators */
while (p && *p) {
- SV *libdir = newSV(0);
+ SV *libdir = NEWSV(55,0);
char *s;
/* skip any consecutive separators */
curcop = &compiling;
thr->cvcache = newHV();
thr->threadsv = newAV();
+ /* thr->threadsvp is set when find_threadsv is called */
thr->specific = newAV();
thr->errhv = newHV();
thr->flags = THRf_R_JOINABLE;
sv_setpvn(bodytarget, "", 0);
formtarget = bodytarget;
thr->errsv = newSVpv("", 0);
+ (void) find_threadsv("@"); /* Ensure $@ is initialised early */
return thr;
}
#endif /* USE_THREADS */
dJMPENV;
int ret;
- while (AvFILL(list) >= 0) {
+ while (AvFILL(list) >= 0) {
CV *cv = (CV*)av_shift(list);
SAVEFREESV(cv);