| 1 | /* miniperlmain.c
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| 2 | *
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| 3 | * Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003,
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| 4 | * 2004, 2005 by Larry Wall and others
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| 5 | *
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| 6 | * You may distribute under the terms of either the GNU General Public
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| 7 | * License or the Artistic License, as specified in the README file.
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| 8 | *
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| 9 | */
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| 10 |
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| 11 | /*
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| 12 | * "The Road goes ever on and on, down from the door where it began."
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| 13 | */
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| 14 |
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| 15 | /* This file contains the main() function for the perl interpreter.
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| 16 | * Note that miniperlmain.c contains main() for the 'miniperl' binary,
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| 17 | * while perlmain.c contains main() for the 'perl' binary.
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| 18 | *
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| 19 | * Miniperl is like perl except that it does not support dynamic loading,
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| 20 | * and in fact is used to build the dynamic modules needed for the 'real'
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| 21 | * perl executable.
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| 22 | */
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| 23 |
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| 24 | #ifdef OEMVS
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| 25 | #ifdef MYMALLOC
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| 26 | /* sbrk is limited to first heap segment so make it big */
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| 27 | #pragma runopts(HEAP(8M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON))
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| 28 | #else
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| 29 | #pragma runopts(HEAP(2M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON))
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| 30 | #endif
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| 31 | #endif
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| 32 |
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| 33 |
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| 34 | #include "EXTERN.h"
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| 35 | #define PERL_IN_MINIPERLMAIN_C
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| 36 | #include "perl.h"
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| 37 |
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| 38 | static void xs_init (pTHX);
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| 39 | static PerlInterpreter *my_perl;
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| 40 |
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| 41 | #if defined (__MINT__) || defined (atarist)
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| 42 | /* The Atari operating system doesn't have a dynamic stack. The
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| 43 | stack size is determined from this value. */
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| 44 | long _stksize = 64 * 1024;
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| 45 | #endif
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| 46 |
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| 47 | int
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| 48 | main(int argc, char **argv, char **env)
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| 49 | {
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| 50 | int exitstatus;
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| 51 | (void)env;
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| 52 | #ifndef PERL_USE_SAFE_PUTENV
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| 53 | PL_use_safe_putenv = 0;
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| 54 | #endif /* PERL_USE_SAFE_PUTENV */
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| 55 |
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| 56 | #ifdef PERL_GLOBAL_STRUCT
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| 57 | #define PERLVAR(var,type) /**/
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| 58 | #define PERLVARA(var,type) /**/
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| 59 | #define PERLVARI(var,type,init) PL_Vars.var = init;
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| 60 | #define PERLVARIC(var,type,init) PL_Vars.var = init;
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| 61 | #include "perlvars.h"
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| 62 | #undef PERLVAR
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| 63 | #undef PERLVARA
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| 64 | #undef PERLVARI
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| 65 | #undef PERLVARIC
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| 66 | #endif
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| 67 |
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| 68 | /* if user wants control of gprof profiling off by default */
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| 69 | /* noop unless Configure is given -Accflags=-DPERL_GPROF_CONTROL */
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| 70 | PERL_GPROF_MONCONTROL(0);
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| 71 |
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| 72 | PERL_SYS_INIT3(&argc,&argv,&env);
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| 73 |
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| 74 | #if defined(USE_5005THREADS) || defined(USE_ITHREADS)
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| 75 | /* XXX Ideally, this should really be happening in perl_alloc() or
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| 76 | * perl_construct() to keep libperl.a transparently fork()-safe.
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| 77 | * It is currently done here only because Apache/mod_perl have
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| 78 | * problems due to lack of a call to cancel pthread_atfork()
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| 79 | * handlers when shared objects that contain the handlers may
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| 80 | * be dlclose()d. This forces applications that embed perl to
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| 81 | * call PTHREAD_ATFORK() explicitly, but if and only if it hasn't
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| 82 | * been called at least once before in the current process.
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| 83 | * --GSAR 2001-07-20 */
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| 84 | PTHREAD_ATFORK(Perl_atfork_lock,
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| 85 | Perl_atfork_unlock,
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| 86 | Perl_atfork_unlock);
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| 87 | #endif
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| 88 |
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| 89 | if (!PL_do_undump) {
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| 90 | my_perl = perl_alloc();
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| 91 | if (!my_perl)
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| 92 | exit(1);
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| 93 | perl_construct(my_perl);
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| 94 | PL_perl_destruct_level = 0;
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| 95 | }
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| 96 | PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
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| 97 | exitstatus = perl_parse(my_perl, xs_init, argc, argv, (char **)NULL);
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| 98 | if (!exitstatus)
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| 99 | perl_run(my_perl);
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| 100 |
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| 101 | exitstatus = perl_destruct(my_perl);
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| 102 |
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| 103 | perl_free(my_perl);
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| 104 |
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| 105 | PERL_SYS_TERM();
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| 106 |
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| 107 | exit(exitstatus);
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| 108 | return exitstatus;
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| 109 | }
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| 110 |
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| 111 | /* Register any extra external extensions */
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| 112 |
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| 113 | /* Do not delete this line--writemain depends on it */
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| 114 |
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| 115 | static void
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| 116 | xs_init(pTHX)
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| 117 | {
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| 118 | dXSUB_SYS;
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| 119 | }
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| 120 |
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| 121 | /*
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| 122 | * Local variables:
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| 123 | * c-indentation-style: bsd
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| 124 | * c-basic-offset: 4
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| 125 | * indent-tabs-mode: t
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| 126 | * End:
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| 127 | *
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| 128 | * ex: set ts=8 sts=4 sw=4 noet:
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| 129 | */
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