windows doesn't provide/need this call

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

diff --git a/src/xbt/xbt_main.c b/src/xbt/xbt_main.c
index e09d03d..e60540b 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"
@@ -19,6 +18,8 @@
 
 #include "xbt_modinter.h"       /* prototype of other module's init/exit in XBT */
 
+#include "simgrid/sg_config.h"
+
 XBT_LOG_NEW_CATEGORY(xbt, "All XBT categories (simgrid toolbox)");
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(module, xbt, "module handling");
 
@@ -29,13 +30,13 @@ 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;
 
 /* Declare xbt_preinit and xbt_postexit as constructor/destructor of the library.
  * This is crude and rather compiler-specific, unfortunately.
  */
 static void xbt_preinit(void) _XBT_GNUC_CONSTRUCTOR(200);
 static void xbt_postexit(void);
-static unsigned int seed = 2147483647;
 
 #ifdef _XBT_WIN32
 # undef _XBT_NEED_INIT_PRAGMA
@@ -77,8 +78,9 @@ 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
@@ -87,11 +89,18 @@ static void xbt_preinit(void)
   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();
@@ -118,9 +127,6 @@ void xbt_init(int *argc, char **argv)
   for (i=0;i<*argc;i++) {
     xbt_dynar_push(xbt_cmdline,&(argv[i]));
   }
-
-  srand(seed);
-  srand48(seed);
   
   xbt_log_init(argc, argv);
 }