X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7d9a2608433e246294b7c4b339371fd4d3530ba6..ff980590b46975003092ac088ed823e4b3a38591:/src/xbt/xbt_main.c

diff --git a/src/xbt/xbt_main.c b/src/xbt/xbt_main.c
index 89a67a6471..615ad8d16b 100644
--- a/src/xbt/xbt_main.c
+++ b/src/xbt/xbt_main.c
@@ -1,15 +1,15 @@
 /* module handling                                                          */
 
-/* Copyright (c) 2006-2012. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2006-2014. The SimGrid Team.
+ * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "xbt/misc.h"
-#include "simgrid_config.h"     /*HAVE_MMAP _XBT_WIN32 */
-#include "internal_config.h"        /* MMALLOC_WANT_OVERRIDE_LEGACY */
-#include "time.h"               /* to seed the random generator */
-
+#include "simgrid_config.h"     /* _XBT_WIN32 */
+#include "internal_config.h"    /* MMALLOC_WANT_OVERRIDE_LEGACY */
+#include "portable.h"
 #include "xbt/sysdep.h"
 #include "xbt/log.h"
 #include "xbt/dynar.h"
@@ -19,6 +19,13 @@
 
 #include "xbt_modinter.h"       /* prototype of other module's init/exit in XBT */
 
+#include "simgrid/sg_config.h"
+
+#include <stdio.h>
+#ifdef _XBT_WIN32
+#include <signal.h>
+#endif
+
 XBT_LOG_NEW_CATEGORY(xbt, "All XBT categories (simgrid toolbox)");
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(module, xbt, "module handling");
 
@@ -29,6 +36,9 @@ char *xbt_binary_name = NULL;   /* Name of the system process containing us (man
 xbt_dynar_t xbt_cmdline = NULL; /* all we got in argv */
 
 int xbt_initialized = 0;
+int _sg_do_clean_atexit = 1;
+
+int xbt_pagesize;
 
 /* Declare xbt_preinit and xbt_postexit as constructor/destructor of the library.
  * This is crude and rather compiler-specific, unfortunately.
@@ -76,21 +86,39 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
 
 #endif
 
-static void xbt_preinit(void)
-{
+static void xbt_preinit(void) {
+  unsigned int seed = 2147483647;
+#ifndef WIN32
+  xbt_pagesize = sysconf(_SC_PAGESIZE);
+#else
+  SYSTEM_INFO si;
+  GetSystemInfo(&si);
+  xbt_pagesize = si.dwPageSize;
+#endif
 #ifdef MMALLOC_WANT_OVERRIDE_LEGACY
   mmalloc_preinit();
+#endif
+#ifdef _TWO_DIGIT_EXPONENT
+  /* Even printf behaves differently on Windows... */
+  _set_output_format(_TWO_DIGIT_EXPONENT);
 #endif
   xbt_log_preinit();
   xbt_backtrace_preinit();
   xbt_os_thread_mod_preinit();
   xbt_fifo_preinit();
   xbt_dict_preinit();
+   
+  srand(seed);
+#ifndef _WIN32
+  srand48(seed);
+#endif
+
   atexit(xbt_postexit);
 }
 
 static void xbt_postexit(void)
 {
+  if(!_sg_do_clean_atexit) return;
   xbt_backtrace_postexit();
   xbt_fifo_postexit();
   xbt_dict_postexit();
@@ -117,9 +145,7 @@ void xbt_init(int *argc, char **argv)
   for (i=0;i<*argc;i++) {
     xbt_dynar_push(xbt_cmdline,&(argv[i]));
   }
-
-  srand((unsigned int) time(NULL));
-
+  
   xbt_log_init(argc, argv);
 }
 
@@ -133,13 +159,31 @@ void xbt_exit()
 
 /* these two functions belong to xbt/sysdep.h, which have no corresponding .c file */
 /** @brief like free, but you can be sure that it is a function  */
-XBT_PUBLIC(void) xbt_free_f(void *p)
+void xbt_free_f(void *p)
 {
   free(p);
 }
 
 /** @brief should be given a pointer to pointer, and frees the second one */
-XBT_PUBLIC(void) xbt_free_ref(void *d)
+void xbt_free_ref(void *d)
 {
   free(*(void **) d);
 }
+
+/** @brief Kill the program in silence */
+void xbt_abort(void)
+{
+#ifdef COVERAGE
+  /* Call __gcov_flush on abort when compiling with coverage options. */
+  extern void __gcov_flush(void);
+  __gcov_flush();
+#endif
+#ifdef _XBT_WIN32
+  /* It was said *in silence*.  We don't want to see the error message printed
+   * by the Microsoft's implementation of abort(). */
+  raise(SIGABRT);
+  signal(SIGABRT, SIG_DFL);
+  raise(SIGABRT);
+#endif
+  abort();
+}