1 /* -*- buffer-read-only: t -*-
2 !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
3 This file is built by regen/miniperlmain.pl and ExtUtils::Miniperl.
4 Any changes made here will be lost!
7 /* miniperlmain.c or perlmain.c - a generated file
9 * Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003,
10 * 2004, 2005, 2006, 2007, 2016 by Larry Wall and others
12 * You may distribute under the terms of either the GNU General Public
13 * License or the Artistic License, as specified in the README file.
18 * The Road goes ever on and on
19 * Down from the door where it began.
21 * [Bilbo on p.35 of _The Lord of the Rings_, I/i: "A Long-Expected Party"]
22 * [Frodo on p.73 of _The Lord of the Rings_, I/iii: "Three Is Company"]
25 /* This file contains the main() function for the perl interpreter.
26 * Note that miniperlmain.c contains main() for the 'miniperl' binary,
27 * while perlmain.c contains main() for the 'perl' binary. The typical
28 * difference being that the latter includes Dynaloader.
30 * Miniperl is like perl except that it does not support dynamic loading,
31 * and in fact is used to build the dynamic modules needed for the 'real'
34 * The content of the body of this generated file is mostly contained
35 * in Miniperl.pm - edit that file if you want to change anything.
36 * miniperlmain.c is generated by running regen/miniperlmain.pl, while
37 * perlmain.c is built automatically by Makefile (so the former is
38 * included in the tarball while the latter isn't).
43 /* sbrk is limited to first heap segment so make it big */
44 #pragma runopts(HEAP(8M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON))
46 #pragma runopts(HEAP(2M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON))
50 #define PERL_IN_MINIPERLMAIN_C
52 /* work round bug in MakeMaker which doesn't currently (2019) supply this
53 * flag when making a statically linked perl */
60 static void xs_init (pTHX);
61 static PerlInterpreter *my_perl;
63 #if defined(PERL_GLOBAL_STRUCT_PRIVATE)
64 /* The static struct perl_vars* may seem counterproductive since the
65 * whole idea PERL_GLOBAL_STRUCT_PRIVATE was to avoid statics, but note
66 * that this static is not in the shared perl library, the globals PL_Vars
67 * and PL_VarsPtr will stay away. */
68 static struct perl_vars* my_plvarsp;
69 struct perl_vars* Perl_GetVarsPrivate(void) { return my_plvarsp; }
72 #ifdef NO_ENV_ARRAY_IN_MAIN
73 extern char **environ;
75 main(int argc, char **argv)
78 main(int argc, char **argv, char **env)
82 #ifdef PERL_GLOBAL_STRUCT
83 struct perl_vars *my_vars = init_global_struct();
84 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
89 #endif /* PERL_GLOBAL_STRUCT */
90 #ifndef NO_ENV_ARRAY_IN_MAIN
93 #ifndef PERL_USE_SAFE_PUTENV
94 PL_use_safe_putenv = FALSE;
95 #endif /* PERL_USE_SAFE_PUTENV */
97 /* if user wants control of gprof profiling off by default */
98 /* noop unless Configure is given -Accflags=-DPERL_GPROF_CONTROL */
99 PERL_GPROF_MONCONTROL(0);
101 #ifdef NO_ENV_ARRAY_IN_MAIN
102 PERL_SYS_INIT3(&argc,&argv,&environ);
104 PERL_SYS_INIT3(&argc,&argv,&env);
107 #if defined(USE_ITHREADS)
108 /* XXX Ideally, this should really be happening in perl_alloc() or
109 * perl_construct() to keep libperl.a transparently fork()-safe.
110 * It is currently done here only because Apache/mod_perl have
111 * problems due to lack of a call to cancel pthread_atfork()
112 * handlers when shared objects that contain the handlers may
113 * be dlclose()d. This forces applications that embed perl to
114 * call PTHREAD_ATFORK() explicitly, but if and only if it hasn't
115 * been called at least once before in the current process.
116 * --GSAR 2001-07-20 */
117 PTHREAD_ATFORK(Perl_atfork_lock,
125 my_perl = perl_alloc();
128 perl_construct(my_perl);
129 PL_perl_destruct_level = 0;
131 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
132 if (!perl_parse(my_perl, xs_init, argc, argv, (char **)NULL))
136 /* Unregister our signal handler before destroying my_perl */
137 for (i = 1; PL_sig_name[i]; i++) {
138 if (rsignal_state(PL_sig_num[i]) == (Sighandler_t) PL_csighandlerp) {
139 rsignal(PL_sig_num[i], (Sighandler_t) SIG_DFL);
144 exitstatus = perl_destruct(my_perl);
148 #if defined(USE_ENVIRON_ARRAY) && defined(PERL_TRACK_MEMPOOL) && !defined(NO_ENV_ARRAY_IN_MAIN)
150 * The old environment may have been freed by perl_free()
151 * when PERL_TRACK_MEMPOOL is defined, but without having
152 * been restored by perl_destruct() before (this is only
153 * done if destruct_level > 0).
155 * It is important to have a valid environment for atexit()
156 * routines that are eventually called.
163 #ifdef PERL_GLOBAL_STRUCT
164 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
165 veto = my_plvarsp->Gveto_cleanup;
167 free_global_struct(my_vars);
168 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
171 /* Remember, functions registered with atexit() can run after this point,
172 and may access "global" variables, and hence end up calling
173 Perl_GetVarsPrivate() */
175 #endif /* PERL_GLOBAL_STRUCT */
180 /* Register any extra external extensions */