Commit | Line | Data |
---|---|---|
d6376244 JH |
1 | /* miniperlmain.c |
2 | * | |
cbdf9ef8 | 3 | * Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, |
1d325971 | 4 | * 2004, 2005 by Larry Wall and others |
d6376244 JH |
5 | * |
6 | * You may distribute under the terms of either the GNU General Public | |
7 | * License or the Artistic License, as specified in the README file. | |
8 | * | |
9 | */ | |
10 | ||
a0d0e21e LW |
11 | /* |
12 | * "The Road goes ever on and on, down from the door where it began." | |
13 | */ | |
14 | ||
166f8a29 DM |
15 | /* This file contains the main() function for the perl interpreter. |
16 | * Note that miniperlmain.c contains main() for the 'miniperl' binary, | |
17 | * while perlmain.c contains main() for the 'perl' binary. | |
18 | * | |
ddfa107c DM |
19 | * Miniperl is like perl except that it does not support dynamic loading, |
20 | * and in fact is used to build the dynamic modules needed for the 'real' | |
61296642 | 21 | * perl executable. |
166f8a29 DM |
22 | */ |
23 | ||
60e4866f | 24 | #ifdef OEMVS |
9133bbab | 25 | #ifdef MYMALLOC |
61296642 | 26 | /* sbrk is limited to first heap segment so make it big */ |
9133bbab NIS |
27 | #pragma runopts(HEAP(8M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) |
28 | #else | |
29 | #pragma runopts(HEAP(2M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) | |
30 | #endif | |
60e4866f LJ |
31 | #endif |
32 | ||
4633a7c4 | 33 | |
ecfc5424 | 34 | #include "EXTERN.h" |
864dbfa3 | 35 | #define PERL_IN_MINIPERLMAIN_C |
2304df62 AD |
36 | #include "perl.h" |
37 | ||
864dbfa3 | 38 | static void xs_init (pTHX); |
a0d0e21e LW |
39 | static PerlInterpreter *my_perl; |
40 | ||
61ae2fbf JH |
41 | #if defined (__MINT__) || defined (atarist) |
42 | /* The Atari operating system doesn't have a dynamic stack. The | |
43 | stack size is determined from this value. */ | |
44 | long _stksize = 64 * 1024; | |
45 | #endif | |
46 | ||
c07a80fd | 47 | int |
91487cfc | 48 | main(int argc, char **argv, char **env) |
2304df62 AD |
49 | { |
50 | int exitstatus; | |
dd374669 | 51 | (void)env; |
50acdf95 MS |
52 | #ifndef PERL_USE_SAFE_PUTENV |
53 | PL_use_safe_putenv = 0; | |
54 | #endif /* PERL_USE_SAFE_PUTENV */ | |
2304df62 | 55 | |
22239a37 NIS |
56 | #ifdef PERL_GLOBAL_STRUCT |
57 | #define PERLVAR(var,type) /**/ | |
51371543 | 58 | #define PERLVARA(var,type) /**/ |
533c011a NIS |
59 | #define PERLVARI(var,type,init) PL_Vars.var = init; |
60 | #define PERLVARIC(var,type,init) PL_Vars.var = init; | |
22239a37 NIS |
61 | #include "perlvars.h" |
62 | #undef PERLVAR | |
51371543 | 63 | #undef PERLVARA |
22239a37 | 64 | #undef PERLVARI |
0f3f18a6 | 65 | #undef PERLVARIC |
22239a37 NIS |
66 | #endif |
67 | ||
2c4f7f0e DM |
68 | /* if user wants control of gprof profiling off by default */ |
69 | /* noop unless Configure is given -Accflags=-DPERL_GPROF_CONTROL */ | |
70 | PERL_GPROF_MONCONTROL(0); | |
71 | ||
91487cfc | 72 | PERL_SYS_INIT3(&argc,&argv,&env); |
4633a7c4 | 73 | |
3db8f154 | 74 | #if defined(USE_ITHREADS) |
52e18b1f GS |
75 | /* XXX Ideally, this should really be happening in perl_alloc() or |
76 | * perl_construct() to keep libperl.a transparently fork()-safe. | |
77 | * It is currently done here only because Apache/mod_perl have | |
78 | * problems due to lack of a call to cancel pthread_atfork() | |
79 | * handlers when shared objects that contain the handlers may | |
80 | * be dlclose()d. This forces applications that embed perl to | |
81 | * call PTHREAD_ATFORK() explicitly, but if and only if it hasn't | |
82 | * been called at least once before in the current process. | |
83 | * --GSAR 2001-07-20 */ | |
98e467d9 DM |
84 | PTHREAD_ATFORK(Perl_atfork_lock, |
85 | Perl_atfork_unlock, | |
86 | Perl_atfork_unlock); | |
87 | #endif | |
88 | ||
3280af22 | 89 | if (!PL_do_undump) { |
a0d0e21e LW |
90 | my_perl = perl_alloc(); |
91 | if (!my_perl) | |
92 | exit(1); | |
642f9deb | 93 | perl_construct(my_perl); |
3280af22 | 94 | PL_perl_destruct_level = 0; |
a0d0e21e | 95 | } |
31d77e54 | 96 | PL_exit_flags |= PERL_EXIT_DESTRUCT_END; |
642f9deb | 97 | exitstatus = perl_parse(my_perl, xs_init, argc, argv, (char **)NULL); |
8815fa0e | 98 | if (!exitstatus) |
31d77e54 | 99 | perl_run(my_perl); |
8815fa0e AB |
100 | |
101 | exitstatus = perl_destruct(my_perl); | |
2304df62 | 102 | |
642f9deb | 103 | perl_free(my_perl); |
2304df62 | 104 | |
a91be337 | 105 | PERL_SYS_TERM(); |
106 | ||
642f9deb | 107 | exit(exitstatus); |
4e35701f | 108 | return exitstatus; |
2304df62 AD |
109 | } |
110 | ||
111 | /* Register any extra external extensions */ | |
112 | ||
4633a7c4 LW |
113 | /* Do not delete this line--writemain depends on it */ |
114 | ||
a0d0e21e | 115 | static void |
864dbfa3 | 116 | xs_init(pTHX) |
2304df62 | 117 | { |
642f9deb | 118 | dXSUB_SYS; |
2304df62 | 119 | } |