Seed the random generators before the main()

[simgrid.git] / src / xbt / xbt_main.c

diff --git a/src/xbt/xbt_main.c b/src/xbt/xbt_main.c
index 653546a..773e3c5 100644 (file)
--- a/src/xbt/xbt_main.c
+++ b/src/xbt/xbt_main.c
@@ -8,7 +8,6 @@
 #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 "xbt/sysdep.h"
 #include "xbt/log.h"
@@ -30,13 +29,6 @@ xbt_dynar_t xbt_cmdline = NULL; /* all we got in argv */
 
 int xbt_initialized = 0;
 
-int _surf_do_model_check = 0;
-int _surf_mc_checkpoint=0;
-char* _surf_mc_property_file=NULL;
-int _surf_mc_timeout=0;
-int _surf_mc_max_depth=1000;
-int _surf_mc_visited=0;
-
 /* Declare xbt_preinit and xbt_postexit as constructor/destructor of the library.
  * This is crude and rather compiler-specific, unfortunately.
  */
@@ -83,8 +75,9 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
 
 #endif
 
-static void xbt_preinit(void)
-{
+static void xbt_preinit(void) {
+  unsigned int seed = 2147483647;
+
 #ifdef MMALLOC_WANT_OVERRIDE_LEGACY
   mmalloc_preinit();
 #endif
@@ -93,7 +86,11 @@ static void xbt_preinit(void)
   xbt_os_thread_mod_preinit();
   xbt_fifo_preinit();
   xbt_dict_preinit();
-  atexit(xbt_postexit);
+   
+  srand(seed);
+  srand48(seed);
+
+  atexit(xbt_postexit);   
 }
 
 static void xbt_postexit(void)
@@ -124,9 +121,7 @@ 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);
 }