X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=miniperlmain.c;h=bb49f5b88f841fdbf766e0e442c5d39c79b46ab1;hb=06c0cc96ebd866767a6d107ed78967600f7e0395;hp=1ac5de4723d52e78a5e5cd823ee046e4cf2fcaa2;hpb=cea2e8a9dd23747fd2b66edc86c58c64e9970321;p=p5sagit%2Fp5-mst-13.2.git diff --git a/miniperlmain.c b/miniperlmain.c index 1ac5de4..bb49f5b 100644 --- a/miniperlmain.c +++ b/miniperlmain.c @@ -1,9 +1,33 @@ +/* miniperlmain.c + * + * Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, + * 2004, 2005 by Larry Wall and others + * + * You may distribute under the terms of either the GNU General Public + * License or the Artistic License, as specified in the README file. + * + */ + /* * "The Road goes ever on and on, down from the door where it began." */ +/* This file contains the main() function for the perl interpreter. + * Note that miniperlmain.c contains main() for the 'miniperl' binary, + * while perlmain.c contains main() for the 'perl' binary. + * + * Miniperl is like perl except that it does not support dynamic loading, + * and in fact is used to build the dynamic modules needed for the 'real' + * perl executable. + */ + #ifdef OEMVS -#pragma runopts(HEAP(1M,32K,ANYWHERE,KEEP,8K,4K)) +#ifdef MYMALLOC +/* sbrk is limited to first heap segment so make it big */ +#pragma runopts(HEAP(8M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) +#else +#pragma runopts(HEAP(2M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) +#endif #endif @@ -13,7 +37,6 @@ static void xs_init (pTHX); static PerlInterpreter *my_perl; -static struct perl_thread *thr; /* XXXXXX testing */ #if defined (__MINT__) || defined (atarist) /* The Atari operating system doesn't have a dynamic stack. The @@ -21,44 +44,75 @@ static struct perl_thread *thr; /* XXXXXX testing */ long _stksize = 64 * 1024; #endif +#if defined(PERL_GLOBAL_STRUCT_PRIVATE) +/* The static struct perl_vars* may seem counterproductive since the + * whole idea PERL_GLOBAL_STRUCT_PRIVATE was to avoid statics, but note + * that this static is not in the shared perl library, the globals PL_Vars + * and PL_VarsPtr will stay away. */ +static struct perl_vars* my_plvarsp; +struct perl_vars* Perl_GetVarsPrivate(void) { return my_plvarsp; } +#endif + int main(int argc, char **argv, char **env) { + dVAR; int exitstatus; - #ifdef PERL_GLOBAL_STRUCT -#define PERLVAR(var,type) /**/ -#define PERLVARI(var,type,init) PL_Vars.var = init; -#define PERLVARIC(var,type,init) PL_Vars.var = init; -#include "perlvars.h" -#undef PERLVAR -#undef PERLVARI -#undef PERLVARIC + struct perl_vars *plvarsp = init_global_struct(); +# ifdef PERL_GLOBAL_STRUCT_PRIVATE + my_vars = my_plvarsp = plvarsp; +# endif +#endif /* PERL_GLOBAL_STRUCT */ + (void)env; +#ifndef PERL_USE_SAFE_PUTENV + PL_use_safe_putenv = 0; +#endif /* PERL_USE_SAFE_PUTENV */ + + /* if user wants control of gprof profiling off by default */ + /* noop unless Configure is given -Accflags=-DPERL_GPROF_CONTROL */ + PERL_GPROF_MONCONTROL(0); + + PERL_SYS_INIT3(&argc,&argv,&env); + +#if defined(USE_ITHREADS) + /* XXX Ideally, this should really be happening in perl_alloc() or + * perl_construct() to keep libperl.a transparently fork()-safe. + * It is currently done here only because Apache/mod_perl have + * problems due to lack of a call to cancel pthread_atfork() + * handlers when shared objects that contain the handlers may + * be dlclose()d. This forces applications that embed perl to + * call PTHREAD_ATFORK() explicitly, but if and only if it hasn't + * been called at least once before in the current process. + * --GSAR 2001-07-20 */ + PTHREAD_ATFORK(Perl_atfork_lock, + Perl_atfork_unlock, + Perl_atfork_unlock); #endif - PERL_SYS_INIT(&argc,&argv); - - init_i18nl10n(1); - if (!PL_do_undump) { my_perl = perl_alloc(); if (!my_perl) exit(1); - perl_construct( my_perl ); + perl_construct(my_perl); PL_perl_destruct_level = 0; } + PL_exit_flags |= PERL_EXIT_DESTRUCT_END; + exitstatus = perl_parse(my_perl, xs_init, argc, argv, (char **)NULL); + if (!exitstatus) + perl_run(my_perl); + + exitstatus = perl_destruct(my_perl); - exitstatus = perl_parse( my_perl, xs_init, argc, argv, (char **) NULL ); - if (!exitstatus) { - exitstatus = perl_run( my_perl ); - } + perl_free(my_perl); - perl_destruct( my_perl ); - perl_free( my_perl ); +#ifdef PERL_GLOBAL_STRUCT + free_global_struct(plvarsp); +#endif /* PERL_GLOBAL_STRUCT */ PERL_SYS_TERM(); - exit( exitstatus ); + exit(exitstatus); return exitstatus; } @@ -69,5 +123,15 @@ main(int argc, char **argv, char **env) static void xs_init(pTHX) { - dXSUB_SYS; + dXSUB_SYS; } + +/* + * Local variables: + * c-indentation-style: bsd + * c-basic-offset: 4 + * indent-tabs-mode: t + * End: + * + * ex: set ts=8 sts=4 sw=4 noet: + */