X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=miniperlmain.c;h=252a48d8e9573c979b873f8adcffbd1fca0285d5;hb=62703e7218aceb3f5d30f70a2307dd02e5eb8c63;hp=9bbdaf4c86dbc5c2feea8b0c5449d1ec9e688fc9;hpb=155aba94f677ac771761a1f510964fe5b21524ed;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/miniperlmain.c b/miniperlmain.c
index 9bbdaf4..252a48d 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
 
 
@@ -24,6 +48,10 @@ int
 main(int argc, char **argv, char **env)
 {
     int exitstatus;
+    (void)env;
+#ifndef PERL_USE_SAFE_PUTENV
+    PL_use_safe_putenv = 0;
+#endif /* PERL_USE_SAFE_PUTENV */
 
 #ifdef PERL_GLOBAL_STRUCT
 #define PERLVAR(var,type) /**/
@@ -37,27 +65,46 @@ main(int argc, char **argv, char **env)
 #undef PERLVARIC
 #endif
 
+    /* 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
+
     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_destruct( my_perl );
-    perl_free( my_perl );
+    perl_free(my_perl);
 
     PERL_SYS_TERM();
 
-    exit( exitstatus );
+    exit(exitstatus);
     return exitstatus;
 }
 
@@ -68,5 +115,5 @@ main(int argc, char **argv, char **env)
 static void
 xs_init(pTHX)
 {
-  dXSUB_SYS;
+    dXSUB_SYS;
 }