X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/85e6fe838fb25b257a1b363debf8691c0992ef71..3fa779abd4d5a443708a30f61ef389c19295ec35:/miniperlmain.c

diff --git a/miniperlmain.c b/miniperlmain.c
index 0e1b0f9..5702b81 100644
--- a/miniperlmain.c
+++ b/miniperlmain.c
@@ -1,36 +1,161 @@
-#include "INTERN.h"
+/*    miniperlmain.c
+ *
+ *    Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003,
+ *    2004, 2005, 2006 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
+#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
+
+
+#include "EXTERN.h"
+#define PERL_IN_MINIPERLMAIN_C
 #include "perl.h"
 
-main(argc, argv, env)
-int argc;
-char **argv;
-char **env;
+static void xs_init (pTHX);
+static PerlInterpreter *my_perl;
+
+#if defined (__MINT__) || defined (atarist)
+/* The Atari operating system doesn't have a dynamic stack.  The
+   stack size is determined from this value.  */
+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
+
+#ifdef NO_ENV_ARRAY_IN_MAIN
+extern char **environ;
+int
+main(int argc, char **argv)
+#else
+int
+main(int argc, char **argv, char **env)
+#endif
 {
+    dVAR;
     int exitstatus;
-    PerlInterpreter *my_perl;
+#ifdef PERL_GLOBAL_STRUCT
+    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 */
 
-    my_perl = perl_alloc();
-    if (!my_perl)
-	exit(1);
-    perl_construct( my_perl );
+    /* if user wants control of gprof profiling off by default */
+    /* noop unless Configure is given -Accflags=-DPERL_GPROF_CONTROL */
+    PERL_GPROF_MONCONTROL(0);
 
-    exitstatus = perl_parse( my_perl, argc, argv, env );
-    if (exitstatus)
-	exit( exitstatus );
+#ifdef NO_ENV_ARRAY_IN_MAIN
+    PERL_SYS_INIT3(&argc,&argv,&environ);
+#else
+    PERL_SYS_INIT3(&argc,&argv,&env);
+#endif
 
-    exitstatus = perl_run( my_perl );
+#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_destruct( my_perl );
-    perl_free( my_perl );
+    if (!PL_do_undump) {
+	my_perl = perl_alloc();
+	if (!my_perl)
+	    exit(1);
+	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);
 
-    exit( exitstatus );
+    exitstatus = perl_destruct(my_perl);
+
+    perl_free(my_perl);
+
+#if defined(USE_ENVIRON_ARRAY) && defined(PERL_TRACK_MEMPOOL) && !defined(NO_ENV_ARRAY_IN_MAIN)
+    /*
+     * The old environment may have been freed by perl_free()
+     * when PERL_TRACK_MEMPOOL is defined, but without having
+     * been restored by perl_destruct() before (this is only
+     * done if destruct_level > 0).
+     *
+     * It is important to have a valid environment for atexit()
+     * routines that are eventually called.
+     */
+    environ = env;
+#endif
+
+#ifdef PERL_GLOBAL_STRUCT
+    free_global_struct(plvarsp);
+#endif /* PERL_GLOBAL_STRUCT */
+
+    PERL_SYS_TERM();
+
+    exit(exitstatus);
+    return exitstatus;
 }
 
 /* Register any extra external extensions */
 
-void
-perl_init_ext()
+/* Do not delete this line--writemain depends on it */
+
+static void
+xs_init(pTHX)
 {
-    char *file = __FILE__;
-    /* Do not delete this line--writemain depends on it */
+    PERL_UNUSED_CONTEXT;
+    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:
+ */