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47be8fd0 NC |
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! | |
5 | */ | |
6 | ||
d6376244 JH |
7 | /* miniperlmain.c |
8 | * | |
cbdf9ef8 | 9 | * Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, |
663f364b | 10 | * 2004, 2005, 2006, 2007, by Larry Wall and others |
d6376244 JH |
11 | * |
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. | |
14 | * | |
15 | */ | |
16 | ||
a0d0e21e | 17 | /* |
4ac71550 TC |
18 | * The Road goes ever on and on |
19 | * Down from the door where it began. | |
20 | * | |
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"] | |
a0d0e21e LW |
23 | */ |
24 | ||
166f8a29 DM |
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. | |
28 | * | |
ddfa107c DM |
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' | |
61296642 | 31 | * perl executable. |
166f8a29 DM |
32 | */ |
33 | ||
60e4866f | 34 | #ifdef OEMVS |
9133bbab | 35 | #ifdef MYMALLOC |
61296642 | 36 | /* sbrk is limited to first heap segment so make it big */ |
9133bbab NIS |
37 | #pragma runopts(HEAP(8M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) |
38 | #else | |
39 | #pragma runopts(HEAP(2M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) | |
40 | #endif | |
60e4866f LJ |
41 | #endif |
42 | ||
864dbfa3 | 43 | #define PERL_IN_MINIPERLMAIN_C |
d573a731 | 44 | #include "EXTERN.h" |
2304df62 | 45 | #include "perl.h" |
c8935f6c | 46 | #include "XSUB.h" |
2304df62 | 47 | |
864dbfa3 | 48 | static void xs_init (pTHX); |
a0d0e21e LW |
49 | static PerlInterpreter *my_perl; |
50 | ||
27da23d5 JH |
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; } | |
58 | #endif | |
59 | ||
2f3efc97 JH |
60 | #ifdef NO_ENV_ARRAY_IN_MAIN |
61 | extern char **environ; | |
62 | int | |
63 | main(int argc, char **argv) | |
64 | #else | |
c07a80fd | 65 | int |
91487cfc | 66 | main(int argc, char **argv, char **env) |
2f3efc97 | 67 | #endif |
2304df62 | 68 | { |
01be0729 | 69 | int exitstatus, i; |
27da23d5 | 70 | #ifdef PERL_GLOBAL_STRUCT |
79403e77 | 71 | struct perl_vars *my_vars = init_global_struct(); |
27da23d5 | 72 | # ifdef PERL_GLOBAL_STRUCT_PRIVATE |
2ff80547 DM |
73 | int veto; |
74 | ||
79403e77 | 75 | my_plvarsp = my_vars; |
27da23d5 JH |
76 | # endif |
77 | #endif /* PERL_GLOBAL_STRUCT */ | |
dedb16dc DL |
78 | #ifndef NO_ENV_ARRAY_IN_MAIN |
79 | PERL_UNUSED_ARG(env); | |
80 | #endif | |
50acdf95 | 81 | #ifndef PERL_USE_SAFE_PUTENV |
8bf20623 | 82 | PL_use_safe_putenv = FALSE; |
50acdf95 | 83 | #endif /* PERL_USE_SAFE_PUTENV */ |
2304df62 | 84 | |
2c4f7f0e DM |
85 | /* if user wants control of gprof profiling off by default */ |
86 | /* noop unless Configure is given -Accflags=-DPERL_GPROF_CONTROL */ | |
87 | PERL_GPROF_MONCONTROL(0); | |
88 | ||
2f3efc97 JH |
89 | #ifdef NO_ENV_ARRAY_IN_MAIN |
90 | PERL_SYS_INIT3(&argc,&argv,&environ); | |
91 | #else | |
91487cfc | 92 | PERL_SYS_INIT3(&argc,&argv,&env); |
2f3efc97 | 93 | #endif |
4633a7c4 | 94 | |
3db8f154 | 95 | #if defined(USE_ITHREADS) |
52e18b1f GS |
96 | /* XXX Ideally, this should really be happening in perl_alloc() or |
97 | * perl_construct() to keep libperl.a transparently fork()-safe. | |
98 | * It is currently done here only because Apache/mod_perl have | |
99 | * problems due to lack of a call to cancel pthread_atfork() | |
100 | * handlers when shared objects that contain the handlers may | |
101 | * be dlclose()d. This forces applications that embed perl to | |
102 | * call PTHREAD_ATFORK() explicitly, but if and only if it hasn't | |
103 | * been called at least once before in the current process. | |
104 | * --GSAR 2001-07-20 */ | |
98e467d9 DM |
105 | PTHREAD_ATFORK(Perl_atfork_lock, |
106 | Perl_atfork_unlock, | |
107 | Perl_atfork_unlock); | |
108 | #endif | |
109 | ||
a308b05a JH |
110 | PERL_SYS_FPU_INIT; |
111 | ||
3280af22 | 112 | if (!PL_do_undump) { |
a0d0e21e LW |
113 | my_perl = perl_alloc(); |
114 | if (!my_perl) | |
115 | exit(1); | |
642f9deb | 116 | perl_construct(my_perl); |
3280af22 | 117 | PL_perl_destruct_level = 0; |
a0d0e21e | 118 | } |
31d77e54 | 119 | PL_exit_flags |= PERL_EXIT_DESTRUCT_END; |
642f9deb | 120 | exitstatus = perl_parse(my_perl, xs_init, argc, argv, (char **)NULL); |
8815fa0e | 121 | if (!exitstatus) |
31d77e54 | 122 | perl_run(my_perl); |
22f43f2c | 123 | |
01d65469 | 124 | #ifndef PERL_MICRO |
01be0729 | 125 | /* Unregister our signal handler before destroying my_perl */ |
724be0c9 | 126 | for (i = 1; PL_sig_name[i]; i++) { |
01be0729 JW |
127 | if (rsignal_state(PL_sig_num[i]) == (Sighandler_t) PL_csighandlerp) { |
128 | rsignal(PL_sig_num[i], (Sighandler_t) SIG_DFL); | |
129 | } | |
130 | } | |
01d65469 | 131 | #endif |
01be0729 | 132 | |
8815fa0e | 133 | exitstatus = perl_destruct(my_perl); |
2304df62 | 134 | |
642f9deb | 135 | perl_free(my_perl); |
2304df62 | 136 | |
2f3efc97 | 137 | #if defined(USE_ENVIRON_ARRAY) && defined(PERL_TRACK_MEMPOOL) && !defined(NO_ENV_ARRAY_IN_MAIN) |
22f43f2c MHM |
138 | /* |
139 | * The old environment may have been freed by perl_free() | |
140 | * when PERL_TRACK_MEMPOOL is defined, but without having | |
141 | * been restored by perl_destruct() before (this is only | |
142 | * done if destruct_level > 0). | |
143 | * | |
144 | * It is important to have a valid environment for atexit() | |
145 | * routines that are eventually called. | |
146 | */ | |
147 | environ = env; | |
148 | #endif | |
149 | ||
f0af002c TC |
150 | PERL_SYS_TERM(); |
151 | ||
27da23d5 | 152 | #ifdef PERL_GLOBAL_STRUCT |
2ff80547 DM |
153 | # ifdef PERL_GLOBAL_STRUCT_PRIVATE |
154 | veto = my_plvarsp->Gveto_cleanup; | |
155 | # endif | |
79403e77 | 156 | free_global_struct(my_vars); |
5c64bffd | 157 | # ifdef PERL_GLOBAL_STRUCT_PRIVATE |
2ff80547 DM |
158 | if (!veto) |
159 | my_plvarsp = NULL; | |
5c64bffd NC |
160 | /* Remember, functions registered with atexit() can run after this point, |
161 | and may access "global" variables, and hence end up calling | |
162 | Perl_GetVarsPrivate() */ | |
163 | #endif | |
27da23d5 JH |
164 | #endif /* PERL_GLOBAL_STRUCT */ |
165 | ||
642f9deb | 166 | exit(exitstatus); |
2304df62 AD |
167 | } |
168 | ||
169 | /* Register any extra external extensions */ | |
170 | ||
4633a7c4 | 171 | |
a0d0e21e | 172 | static void |
864dbfa3 | 173 | xs_init(pTHX) |
2304df62 | 174 | { |
a78951c8 | 175 | dXSUB_SYS; |
96a5add6 | 176 | PERL_UNUSED_CONTEXT; |
2304df62 | 177 | } |
66610fdd | 178 | |
47be8fd0 | 179 | /* ex: set ro: */ |