-/* $Id$ */
-
/* module handling */
-/* Copyright (c) 2003, 2004 Martin Quinson. All rights reserved. */
+/* Copyright (c) 2006, 2007, 2008, 2009, 2010. 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*/
#include "time.h" /* to seed the random generator */
#include "xbt/sysdep.h"
XBT_LOG_EXTERNAL_CATEGORY(xbt_set);
XBT_LOG_EXTERNAL_CATEGORY(xbt_sync_os);
-/** @brief Initialize the xbt mechanisms. */
-void xbt_init(int *argc, char **argv)
-{
- xbt_initialized++;
- if (xbt_initialized != 1)
- return;
+/* 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;
+static void xbt_postexit(void) _XBT_GNUC_DESTRUCTOR;
+#ifdef _XBT_NEED_INIT_PRAGMA
+#pragma init (xbt_preinit)
+#pragma fini (xbt_postexit)
+#endif
+
+#ifdef _XBT_WIN32
+#include <windows.h>
+
+/* Dummy prototype to make gcc happy */
+BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved);
+
+
+/* see also http://msdn.microsoft.com/en-us/library/ms682583%28VS.85%29.aspx */
+/* and http://www.microsoft.com/whdc/driver/kernel/DLL_bestprac.mspx */
+BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {
+ if (fdwReason == DLL_PROCESS_ATTACH) {
+ xbt_preinit();
+ } else if (fdwReason == DLL_PROCESS_DETACH) {
+ xbt_postexit();
+ }
+ return 1;
+}
+
+
+#endif
+
+static void xbt_preinit(void) {
+ #ifdef HAVE_MMAP
+ mmalloc_preinit();
+ #endif
+ xbt_log_preinit();
/* Connect our log channels: that must be done manually under windows */
XBT_LOG_CONNECT(graphxml_parse, xbt);
XBT_LOG_CONNECT(xbt_set, xbt);
XBT_LOG_CONNECT(xbt_sync_os, xbt);
+ xbt_fifo_preinit();
+ xbt_dict_preinit();
+
+ xbt_backtrace_preinit();
+ xbt_os_thread_mod_preinit();
+}
+
+static void xbt_postexit(void) {
+ xbt_os_thread_mod_postexit();
+ xbt_backtrace_postexit();
+
+ xbt_fifo_postexit();
+ xbt_dict_postexit();
+
+ xbt_log_postexit();
+
+ free(xbt_binary_name);
+#ifdef HAVE_MMAP
+ mmalloc_postexit();
+#endif
+}
+
+/** @brief Initialize the xbt mechanisms. */
+void xbt_init(int *argc, char **argv)
+{
+ // FIXME it would be nice to assert that this function is called only once. But each gras process do call it...
+ xbt_initialized++;
+
+ if (xbt_initialized >1)
+ return;
+
xbt_binary_name = xbt_strdup(argv[0]);
srand((unsigned int) time(NULL));
VERB0("Initialize XBT");
- xbt_backtrace_init();
xbt_log_init(argc, argv);
- xbt_os_thread_mod_init();
- xbt_context_mod_init();
}
/** @brief Finalize the xbt mechanisms. */
-void xbt_exit()
-{
- xbt_initialized--;
- if (xbt_initialized == 0) {
- xbt_fifo_exit();
- xbt_dict_exit();
- xbt_context_mod_exit();
- xbt_os_thread_mod_exit();
- xbt_log_exit();
- xbt_backtrace_exit();
- free(xbt_binary_name);
- }
+void xbt_exit() {
+ WARN0("This function is deprecated, you shouldn't use it");
}
/* 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)
-{
+XBT_PUBLIC(void) xbt_free_f(void *p) {
free(p);
}
