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/* miniperlmain.c |
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* |
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* Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, |
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* 2004, 2005 by Larry Wall and others |
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* |
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* You may distribute under the terms of either the GNU General Public |
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* License or the Artistic License, as specified in the README file. |
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* |
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*/ |
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/* |
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* "The Road goes ever on and on, down from the door where it began." |
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*/ |
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/* This file contains the main() function for the perl interpreter. |
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* Note that miniperlmain.c contains main() for the 'miniperl' binary, |
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* while perlmain.c contains main() for the 'perl' binary. |
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* |
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* Miniperl is like perl except that it does not support dynamic loading, |
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* and in fact is used to build the dynamic modules needed for the 'real' |
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* perl executable. |
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*/ |
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#ifdef OEMVS |
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#ifdef MYMALLOC |
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/* sbrk is limited to first heap segment so make it big */ |
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#pragma runopts(HEAP(8M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) |
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#else |
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#pragma runopts(HEAP(2M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) |
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#endif |
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#endif |
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#include "EXTERN.h" |
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#define PERL_IN_MINIPERLMAIN_C |
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#include "perl.h" |
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static void xs_init (pTHX); |
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static PerlInterpreter *my_perl; |
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#if defined (__MINT__) || defined (atarist) |
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/* The Atari operating system doesn't have a dynamic stack. The |
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stack size is determined from this value. */ |
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long _stksize = 64 * 1024; |
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#endif |
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int |
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main(int argc, char **argv, char **env) |
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{ |
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int exitstatus; |
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#ifndef PERL_USE_SAFE_PUTENV |
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PL_use_safe_putenv = 0; |
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#endif /* PERL_USE_SAFE_PUTENV */ |
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#ifdef PERL_GLOBAL_STRUCT |
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#define PERLVAR(var,type) /**/ |
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#define PERLVARA(var,type) /**/ |
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#define PERLVARI(var,type,init) PL_Vars.var = init; |
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#define PERLVARIC(var,type,init) PL_Vars.var = init; |
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#include "perlvars.h" |
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#undef PERLVAR |
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#undef PERLVARA |
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#undef PERLVARI |
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#undef PERLVARIC |
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#endif |
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/* if user wants control of gprof profiling off by default */ |
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/* noop unless Configure is given -Accflags=-DPERL_GPROF_CONTROL */ |
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PERL_GPROF_MONCONTROL(0); |
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PERL_SYS_INIT3(&argc,&argv,&env); |
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#if defined(USE_5005THREADS) || defined(USE_ITHREADS) |
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/* XXX Ideally, this should really be happening in perl_alloc() or |
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* perl_construct() to keep libperl.a transparently fork()-safe. |
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* It is currently done here only because Apache/mod_perl have |
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* problems due to lack of a call to cancel pthread_atfork() |
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* handlers when shared objects that contain the handlers may |
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* be dlclose()d. This forces applications that embed perl to |
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* call PTHREAD_ATFORK() explicitly, but if and only if it hasn't |
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* been called at least once before in the current process. |
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* --GSAR 2001-07-20 */ |
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PTHREAD_ATFORK(Perl_atfork_lock, |
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Perl_atfork_unlock, |
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Perl_atfork_unlock); |
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#endif |
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if (!PL_do_undump) { |
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my_perl = perl_alloc(); |
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if (!my_perl) |
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exit(1); |
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perl_construct(my_perl); |
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PL_perl_destruct_level = 0; |
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} |
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PL_exit_flags |= PERL_EXIT_DESTRUCT_END; |
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exitstatus = perl_parse(my_perl, xs_init, argc, argv, (char **)NULL); |
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if (!exitstatus) |
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perl_run(my_perl); |
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exitstatus = perl_destruct(my_perl); |
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perl_free(my_perl); |
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PERL_SYS_TERM(); |
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exit(exitstatus); |
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return exitstatus; |
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} |
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/* Register any extra external extensions */ |
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/* Do not delete this line--writemain depends on it */ |
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static void |
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xs_init(pTHX) |
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{ |
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dXSUB_SYS; |
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} |
