3 * Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003,
4 * 2004, by Larry Wall and others
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.
12 * "The Road goes ever on and on, down from the door where it began."
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.
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'
26 /* sbrk is limited to first heap segment so make it big */
27 #pragma runopts(HEAP(8M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON))
29 #pragma runopts(HEAP(2M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON))
35 #define PERL_IN_MINIPERLMAIN_C
38 static void xs_init (pTHX);
39 static PerlInterpreter *my_perl;
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;
48 main(int argc, char **argv, char **env)
51 #ifndef PERL_USE_SAFE_PUTENV
52 PL_use_safe_putenv = 0;
53 #endif /* PERL_USE_SAFE_PUTENV */
55 #ifdef PERL_GLOBAL_STRUCT
56 #define PERLVAR(var,type) /**/
57 #define PERLVARA(var,type) /**/
58 #define PERLVARI(var,type,init) PL_Vars.var = init;
59 #define PERLVARIC(var,type,init) PL_Vars.var = init;
67 /* if user wants control of gprof profiling off by default */
68 /* noop unless Configure is given -Accflags=-DPERL_GPROF_CONTROL */
69 PERL_GPROF_MONCONTROL(0);
71 PERL_SYS_INIT3(&argc,&argv,&env);
73 #if defined(USE_ITHREADS)
74 /* XXX Ideally, this should really be happening in perl_alloc() or
75 * perl_construct() to keep libperl.a transparently fork()-safe.
76 * It is currently done here only because Apache/mod_perl have
77 * problems due to lack of a call to cancel pthread_atfork()
78 * handlers when shared objects that contain the handlers may
79 * be dlclose()d. This forces applications that embed perl to
80 * call PTHREAD_ATFORK() explicitly, but if and only if it hasn't
81 * been called at least once before in the current process.
82 * --GSAR 2001-07-20 */
83 PTHREAD_ATFORK(Perl_atfork_lock,
89 my_perl = perl_alloc();
92 perl_construct(my_perl);
93 PL_perl_destruct_level = 0;
95 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
96 exitstatus = perl_parse(my_perl, xs_init, argc, argv, (char **)NULL);
100 exitstatus = perl_destruct(my_perl);
110 /* Register any extra external extensions */
112 /* Do not delete this line--writemain depends on it */