X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/e4abd3f271729beeff499da36267bfb274dd1f6d..1eb2acd21f33865e5a3b27b5ec3e91a6ccc17ff1:/src/xbt/xbt_main.c

diff --git a/src/xbt/xbt_main.c b/src/xbt/xbt_main.c
index 93c8e5c25a..7c6795f3b7 100644
--- a/src/xbt/xbt_main.c
+++ b/src/xbt/xbt_main.c
@@ -1,15 +1,17 @@
 /* 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 */
+#define XBT_LOG_LOCALLY_DEFINE_XBT_CHANNEL /* MSVC don't want it to be declared extern in headers and local here */
 
+#include "xbt/misc.h"
+#include "simgrid_config.h"     /* _XBT_WIN32 */
+#include "src/internal_config.h" /* MMALLOC_WANT_OVERRIDE_LEGACY */
+#include "src/portable.h"
 #include "xbt/sysdep.h"
 #include "xbt/log.h"
 #include "xbt/dynar.h"
@@ -17,9 +19,15 @@
 
 #include "xbt/module.h"         /* this module */
 
-#include "xbt_modinter.h"       /* prototype of other module's init/exit in XBT */
+#include "src/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");
 
 XBT_LOG_NEW_CATEGORY(smpi, "All SMPI categories"); /* lives here even if that's a bit odd to solve linking issues: this is used in xbt_log_file_appender to detect whether SMPI is used (and thus whether we should unbench the writing to disk) */
@@ -29,13 +37,10 @@ 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 _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;
+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.
@@ -83,34 +88,50 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
 
 #endif
 
-static void xbt_preinit(void)
-{
-#ifdef MMALLOC_WANT_OVERRIDE_LEGACY
-  mmalloc_preinit();
+static void xbt_preinit(void) {
+  unsigned int seed = 2147483647;
+#ifndef _XBT_WIN32
+  xbt_pagesize = sysconf(_SC_PAGESIZE);
+#else
+  SYSTEM_INFO si;
+  GetSystemInfo(&si);
+  xbt_pagesize = si.dwPageSize;
 #endif
-  xbt_log_preinit();
 
+  xbt_pagebits = 0;
+  int x = xbt_pagesize;
+  while(x >>= 1) {
+    ++xbt_pagebits;
+  }
+
+#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 _XBT_WIN32
+  srand48(seed);
+#endif
   atexit(xbt_postexit);
 }
 
 static void xbt_postexit(void)
 {
+  if(!_sg_do_clean_atexit) return;
+  xbt_initialized--;
   xbt_backtrace_postexit();
-
   xbt_fifo_postexit();
   xbt_dict_postexit();
-
-  xbt_log_postexit();
   xbt_os_thread_mod_postexit();
-
-  free(xbt_binary_name);
   xbt_dynar_free(&xbt_cmdline);
-
+  xbt_log_postexit();
+  free(xbt_binary_name);
 #ifdef MMALLOC_WANT_OVERRIDE_LEGACY
   mmalloc_postexit();
 #endif
@@ -130,9 +151,7 @@ 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);
 }
 
@@ -146,13 +165,31 @@ 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();
+}