X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9bfe9f6aeab2be83b8bb7ac1136d7eb6a882e12b..719a77db362a51309e90a75253788223936b276c:/src/xbt/xbt_main.c

diff --git a/src/xbt/xbt_main.c b/src/xbt/xbt_main.c
index 26e8dd1a71..c355f497ab 100644
--- a/src/xbt/xbt_main.c
+++ b/src/xbt/xbt_main.c
@@ -9,7 +9,7 @@
 #include "xbt/misc.h"
 #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"
@@ -22,6 +22,9 @@
 #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");
@@ -35,6 +38,9 @@ xbt_dynar_t xbt_cmdline = NULL; /* all we got in argv */
 int xbt_initialized = 0;
 int _sg_do_clean_atexit = 1;
 
+int xbt_pagesize;
+int xbt_pagebits = 0;
+
 /* Declare xbt_preinit and xbt_postexit as constructor/destructor of the library.
  * This is crude and rather compiler-specific, unfortunately.
  */
@@ -83,6 +89,19 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
 
 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
+
+  xbt_pagebits = 0;
+  int x = xbt_pagesize;
+  while(x >>= 1) {
+    ++xbt_pagebits;
+  }
 
 #ifdef MMALLOC_WANT_OVERRIDE_LEGACY
   mmalloc_preinit();
@@ -101,7 +120,6 @@ static void xbt_preinit(void) {
 #ifndef _WIN32
   srand48(seed);
 #endif
-
   atexit(xbt_postexit);
 }
 
@@ -148,13 +166,31 @@ 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();
+}