+/* -*- mode: C; buffer-read-only: t -*-
+ !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
+ This file is built by regen/miniperlmain.pl and ExtUtils::Miniperl.
+ Any changes made here will be lost!
+ */
+
+/* miniperlmain.c or perlmain.c - a generated file
+ *
+ * Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003,
+ * 2004, 2005, 2006, 2007, 2016 by Larry Wall and others
+ *
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Artistic License, as specified in the README file.
+ *
+ */
+
/*
- * "The Road goes ever on and on, down from the door where it began."
+ * The Road goes ever on and on
+ * Down from the door where it began.
+ *
+ * [Bilbo on p.35 of _The Lord of the Rings_, I/i: "A Long-Expected Party"]
+ * [Frodo on p.73 of _The Lord of the Rings_, I/iii: "Three Is Company"]
*/
-#include "INTERN.h"
+/* This file contains the main() function for the perl interpreter.
+ * Note that miniperlmain.c contains main() for the 'miniperl' binary,
+ * while perlmain.c contains main() for the 'perl' binary. The typical
+ * difference being that the latter includes Dynaloader.
+ *
+ * Miniperl is like perl except that it does not support dynamic loading,
+ * and in fact is used to build the dynamic modules needed for the 'real'
+ * perl executable.
+ *
+ * The content of the body of this generated file is mostly contained
+ * in Miniperl.pm - edit that file if you want to change anything.
+ * miniperlmain.c is generated by running regen/miniperlmain.pl, while
+ * perlmain.c is built automatically by Makefile (so the former is
+ * included in the tarball while the latter isn't).
+ */
+
+#ifdef OEMVS
+#ifdef MYMALLOC
+/* sbrk is limited to first heap segment so make it big */
+#pragma runopts(HEAP(8M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON))
+#else
+#pragma runopts(HEAP(2M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON))
+#endif
+#endif
+
+#define PERL_IN_MINIPERLMAIN_C
+
+/* work round bug in MakeMaker which doesn't currently (2019) supply this
+ * flag when making a statically linked perl */
+#define PERL_CORE 1
+
+#include "EXTERN.h"
#include "perl.h"
+#include "XSUB.h"
-static void xs_init _((void));
+static void xs_init (pTHX);
static PerlInterpreter *my_perl;
-/* This value may be raised by extensions for testing purposes */
-int perl_destruct_level = 0; /* 0=none, 1=full, 2=full with checks */
-
+#ifdef NO_ENV_ARRAY_IN_MAIN
+extern char **environ;
+int
+main(int argc, char **argv)
+#else
int
-main(argc, argv, env)
-int argc;
-char **argv;
-char **env;
+main(int argc, char **argv, char **env)
+#endif
{
- int exitstatus;
+ int exitstatus, i;
+#ifndef NO_ENV_ARRAY_IN_MAIN
+ PERL_UNUSED_ARG(env);
+#endif
-#ifdef VMS
- getredirection(&argc,&argv);
+ /* if user wants control of gprof profiling off by default */
+ /* noop unless Configure is given -Accflags=-DPERL_GPROF_CONTROL */
+ PERL_GPROF_MONCONTROL(0);
+
+#ifdef NO_ENV_ARRAY_IN_MAIN
+ PERL_SYS_INIT3(&argc,&argv,&environ);
+#else
+ PERL_SYS_INIT3(&argc,&argv,&env);
#endif
- if (!do_undump) {
+#if defined(USE_ITHREADS)
+ /* XXX Ideally, this should really be happening in perl_alloc() or
+ * perl_construct() to keep libperl.a transparently fork()-safe.
+ * It is currently done here only because Apache/mod_perl have
+ * problems due to lack of a call to cancel pthread_atfork()
+ * handlers when shared objects that contain the handlers may
+ * be dlclose()d. This forces applications that embed perl to
+ * call PTHREAD_ATFORK() explicitly, but if and only if it hasn't
+ * been called at least once before in the current process.
+ * --GSAR 2001-07-20 */
+ PTHREAD_ATFORK(Perl_atfork_lock,
+ Perl_atfork_unlock,
+ Perl_atfork_unlock);
+#endif
+
+ PERL_SYS_FPU_INIT;
+
+ if (!PL_do_undump) {
my_perl = perl_alloc();
if (!my_perl)
exit(1);
- perl_construct( my_perl );
+ perl_construct(my_perl);
+ PL_perl_destruct_level = 0;
}
+ PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
+ if (!perl_parse(my_perl, xs_init, argc, argv, (char **)NULL)) {
- exitstatus = perl_parse( my_perl, xs_init, argc, argv, env );
- if (exitstatus)
- exit( exitstatus );
+ /* perl_parse() may end up starting its own run loops, which
+ * might end up "leaking" PL_restartop from the parse phase into
+ * the run phase which then ends up confusing run_body(). This
+ * leakage shouldn't happen and if it does its a bug.
+ *
+ * Note we do not do this assert in perl_run() or perl_parse()
+ * as there are modules out there which explicitly set
+ * PL_restartop before calling perl_run() directly from XS code
+ * (Coro), and it is conceivable PL_restartop could be set prior
+ * to calling perl_parse() by XS code as well.
+ *
+ * What we want to check is that the top level perl_parse(),
+ * perl_run() pairing does not allow a leaking PL_restartop, as
+ * that indicates a bug in perl. By putting the assert here we
+ * can validate that Perl itself is operating correctly without
+ * risking breakage to XS code under DEBUGGING. - Yves
+ */
+ assert(!PL_restartop);
- exitstatus = perl_run( my_perl );
+ perl_run(my_perl);
+ }
- perl_destruct( my_perl, perl_destruct_level );
- perl_free( my_perl );
+ /* Unregister our signal handler before destroying my_perl */
+ for (i = 1; PL_sig_name[i]; i++) {
+ if (rsignal_state(PL_sig_num[i]) == (Sighandler_t) PL_csighandlerp) {
+ rsignal(PL_sig_num[i], (Sighandler_t) SIG_DFL);
+ }
+ }
+
+ exitstatus = perl_destruct(my_perl);
+
+ perl_free(my_perl);
- exit( exitstatus );
+ PERL_SYS_TERM();
+
+ exit(exitstatus);
}
/* Register any extra external extensions */
+
static void
-xs_init()
+xs_init(pTHX)
{
- /* Do not delete this line--writemain depends on it */
+ dXSUB_SYS;
+ PERL_UNUSED_CONTEXT;
}
+
+/* ex: set ro ft=c: */
https://perl5.git.perl.org / perl5.git / blobdiff