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/cvs/staticperl/perl/miniperlmain.c
Revision: 1.1
Committed: Thu Jun 30 14:26:41 2005 UTC (19 years ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: PERL-5-8-7, HEAD
Branch point for: PERL
Log Message:
*** empty log message ***

File Contents

# Content
1 /* miniperlmain.c
2 *
3 * Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003,
4 * 2004, 2005 by Larry Wall and others
5 *
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.
8 *
9 */
10
11 /*
12 * "The Road goes ever on and on, down from the door where it began."
13 */
14
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.
18 *
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'
21 * perl executable.
22 */
23
24 #ifdef OEMVS
25 #ifdef MYMALLOC
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))
28 #else
29 #pragma runopts(HEAP(2M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON))
30 #endif
31 #endif
32
33
34 #include "EXTERN.h"
35 #define PERL_IN_MINIPERLMAIN_C
36 #include "perl.h"
37
38 static void xs_init (pTHX);
39 static PerlInterpreter *my_perl;
40
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;
45 #endif
46
47 int
48 main(int argc, char **argv, char **env)
49 {
50 int exitstatus;
51 #ifndef PERL_USE_SAFE_PUTENV
52 PL_use_safe_putenv = 0;
53 #endif /* PERL_USE_SAFE_PUTENV */
54
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;
60 #include "perlvars.h"
61 #undef PERLVAR
62 #undef PERLVARA
63 #undef PERLVARI
64 #undef PERLVARIC
65 #endif
66
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);
70
71 PERL_SYS_INIT3(&argc,&argv,&env);
72
73 #if defined(USE_5005THREADS) || 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,
84 Perl_atfork_unlock,
85 Perl_atfork_unlock);
86 #endif
87
88 if (!PL_do_undump) {
89 my_perl = perl_alloc();
90 if (!my_perl)
91 exit(1);
92 perl_construct(my_perl);
93 PL_perl_destruct_level = 0;
94 }
95 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
96 exitstatus = perl_parse(my_perl, xs_init, argc, argv, (char **)NULL);
97 if (!exitstatus)
98 perl_run(my_perl);
99
100 exitstatus = perl_destruct(my_perl);
101
102 perl_free(my_perl);
103
104 PERL_SYS_TERM();
105
106 exit(exitstatus);
107 return exitstatus;
108 }
109
110 /* Register any extra external extensions */
111
112 /* Do not delete this line--writemain depends on it */
113
114 static void
115 xs_init(pTHX)
116 {
117 dXSUB_SYS;
118 }