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!
9 * Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003,
10 * 2004, 2005, 2006, 2007, 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.
29 * Miniperl is like perl except that it does not support dynamic loading,
30 * and in fact is used to build the dynamic modules needed for the 'real'
36 /* sbrk is limited to first heap segment so make it big */
37 #pragma runopts(HEAP(8M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON))
39 #pragma runopts(HEAP(2M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON))
43 #define PERL_IN_MINIPERLMAIN_C
48 static void xs_init (pTHX);
49 static PerlInterpreter *my_perl;
51 #if defined(PERL_GLOBAL_STRUCT_PRIVATE)
52 /* The static struct perl_vars* may seem counterproductive since the
53 * whole idea PERL_GLOBAL_STRUCT_PRIVATE was to avoid statics, but note
54 * that this static is not in the shared perl library, the globals PL_Vars
55 * and PL_VarsPtr will stay away. */
56 static struct perl_vars* my_plvarsp;
57 struct perl_vars* Perl_GetVarsPrivate(void) { return my_plvarsp; }
60 #ifdef NO_ENV_ARRAY_IN_MAIN
61 extern char **environ;
63 main(int argc, char **argv)
66 main(int argc, char **argv, char **env)
70 #ifdef PERL_GLOBAL_STRUCT
71 struct perl_vars *my_vars = init_global_struct();
72 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
75 #endif /* PERL_GLOBAL_STRUCT */
76 #ifndef NO_ENV_ARRAY_IN_MAIN
79 #ifndef PERL_USE_SAFE_PUTENV
80 PL_use_safe_putenv = FALSE;
81 #endif /* PERL_USE_SAFE_PUTENV */
83 /* if user wants control of gprof profiling off by default */
84 /* noop unless Configure is given -Accflags=-DPERL_GPROF_CONTROL */
85 PERL_GPROF_MONCONTROL(0);
87 #ifdef NO_ENV_ARRAY_IN_MAIN
88 PERL_SYS_INIT3(&argc,&argv,&environ);
90 PERL_SYS_INIT3(&argc,&argv,&env);
93 #if defined(USE_ITHREADS)
94 /* XXX Ideally, this should really be happening in perl_alloc() or
95 * perl_construct() to keep libperl.a transparently fork()-safe.
96 * It is currently done here only because Apache/mod_perl have
97 * problems due to lack of a call to cancel pthread_atfork()
98 * handlers when shared objects that contain the handlers may
99 * be dlclose()d. This forces applications that embed perl to
100 * call PTHREAD_ATFORK() explicitly, but if and only if it hasn't
101 * been called at least once before in the current process.
102 * --GSAR 2001-07-20 */
103 PTHREAD_ATFORK(Perl_atfork_lock,
109 my_perl = perl_alloc();
112 perl_construct(my_perl);
113 PL_perl_destruct_level = 0;
115 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
116 exitstatus = perl_parse(my_perl, xs_init, argc, argv, (char **)NULL);
121 /* Unregister our signal handler before destroying my_perl */
122 for (i = 1; PL_sig_name[i]; i++) {
123 if (rsignal_state(PL_sig_num[i]) == (Sighandler_t) PL_csighandlerp) {
124 rsignal(PL_sig_num[i], (Sighandler_t) SIG_DFL);
129 exitstatus = perl_destruct(my_perl);
133 #if defined(USE_ENVIRON_ARRAY) && defined(PERL_TRACK_MEMPOOL) && !defined(NO_ENV_ARRAY_IN_MAIN)
135 * The old environment may have been freed by perl_free()
136 * when PERL_TRACK_MEMPOOL is defined, but without having
137 * been restored by perl_destruct() before (this is only
138 * done if destruct_level > 0).
140 * It is important to have a valid environment for atexit()
141 * routines that are eventually called.
148 #ifdef PERL_GLOBAL_STRUCT
149 free_global_struct(my_vars);
150 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
152 /* Remember, functions registered with atexit() can run after this point,
153 and may access "global" variables, and hence end up calling
154 Perl_GetVarsPrivate() */
156 #endif /* PERL_GLOBAL_STRUCT */
162 /* Register any extra external extensions */