| 1 | /* miniperlmain.c |
| 2 | * |
| 3 | * Copyright (c) 1997-2002, Larry Wall |
| 4 | * |
| 5 | * You may distribute under the terms of either the GNU General Public |
| 6 | * License or the Artistic License, as specified in the README file. |
| 7 | * |
| 8 | */ |
| 9 | |
| 10 | /* |
| 11 | * "The Road goes ever on and on, down from the door where it began." |
| 12 | */ |
| 13 | |
| 14 | #ifdef OEMVS |
| 15 | #ifdef MYMALLOC |
| 16 | /* sbrk is limited to first heap segement so make it big */ |
| 17 | #pragma runopts(HEAP(8M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) |
| 18 | #else |
| 19 | #pragma runopts(HEAP(2M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) |
| 20 | #endif |
| 21 | #endif |
| 22 | |
| 23 | |
| 24 | #include "EXTERN.h" |
| 25 | #define PERL_IN_MINIPERLMAIN_C |
| 26 | #include "perl.h" |
| 27 | |
| 28 | static void xs_init (pTHX); |
| 29 | static PerlInterpreter *my_perl; |
| 30 | |
| 31 | #if defined (__MINT__) || defined (atarist) |
| 32 | /* The Atari operating system doesn't have a dynamic stack. The |
| 33 | stack size is determined from this value. */ |
| 34 | long _stksize = 64 * 1024; |
| 35 | #endif |
| 36 | |
| 37 | int |
| 38 | main(int argc, char **argv, char **env) |
| 39 | { |
| 40 | int exitstatus; |
| 41 | |
| 42 | #ifdef PERL_GLOBAL_STRUCT |
| 43 | #define PERLVAR(var,type) /**/ |
| 44 | #define PERLVARA(var,type) /**/ |
| 45 | #define PERLVARI(var,type,init) PL_Vars.var = init; |
| 46 | #define PERLVARIC(var,type,init) PL_Vars.var = init; |
| 47 | #include "perlvars.h" |
| 48 | #undef PERLVAR |
| 49 | #undef PERLVARA |
| 50 | #undef PERLVARI |
| 51 | #undef PERLVARIC |
| 52 | #endif |
| 53 | |
| 54 | /* if user wants control of gprof profiling off by default */ |
| 55 | /* noop unless Configure is given -Accflags=-DPERL_GPROF_CONTROL */ |
| 56 | PERL_GPROF_MONCONTROL(0); |
| 57 | |
| 58 | PERL_SYS_INIT3(&argc,&argv,&env); |
| 59 | |
| 60 | #if defined(USE_5005THREADS) || defined(USE_ITHREADS) |
| 61 | /* XXX Ideally, this should really be happening in perl_alloc() or |
| 62 | * perl_construct() to keep libperl.a transparently fork()-safe. |
| 63 | * It is currently done here only because Apache/mod_perl have |
| 64 | * problems due to lack of a call to cancel pthread_atfork() |
| 65 | * handlers when shared objects that contain the handlers may |
| 66 | * be dlclose()d. This forces applications that embed perl to |
| 67 | * call PTHREAD_ATFORK() explicitly, but if and only if it hasn't |
| 68 | * been called at least once before in the current process. |
| 69 | * --GSAR 2001-07-20 */ |
| 70 | PTHREAD_ATFORK(Perl_atfork_lock, |
| 71 | Perl_atfork_unlock, |
| 72 | Perl_atfork_unlock); |
| 73 | #endif |
| 74 | |
| 75 | if (!PL_do_undump) { |
| 76 | my_perl = perl_alloc(); |
| 77 | if (!my_perl) |
| 78 | exit(1); |
| 79 | perl_construct(my_perl); |
| 80 | PL_perl_destruct_level = 0; |
| 81 | } |
| 82 | PL_exit_flags |= PERL_EXIT_DESTRUCT_END; |
| 83 | exitstatus = perl_parse(my_perl, xs_init, argc, argv, (char **)NULL); |
| 84 | if (!exitstatus) |
| 85 | perl_run(my_perl); |
| 86 | |
| 87 | exitstatus = perl_destruct(my_perl); |
| 88 | |
| 89 | perl_free(my_perl); |
| 90 | |
| 91 | PERL_SYS_TERM(); |
| 92 | |
| 93 | exit(exitstatus); |
| 94 | return exitstatus; |
| 95 | } |
| 96 | |
| 97 | /* Register any extra external extensions */ |
| 98 | |
| 99 | /* Do not delete this line--writemain depends on it */ |
| 100 | |
| 101 | static void |
| 102 | xs_init(pTHX) |
| 103 | { |
| 104 | dXSUB_SYS; |
| 105 | } |