-/* $Id$ */
-
/* module handling */
-/* Copyright (c) 2003, 2004 Martin Quinson. All rights reserved. */
+/* Copyright (c) 2006-2012. 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 "time.h" /* to seed the random generator */
+#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"
#include "xbt/dynar.h"
#include "xbt/config.h"
-#include "xbt/module.h" /* this module */
+#include "xbt/module.h" /* this module */
-#include "xbt_modinter.h" /* prototype of other module's init/exit in XBT */
+#include "xbt_modinter.h" /* prototype of other module's init/exit in XBT */
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(module,xbt, "module handling");
+XBT_LOG_NEW_CATEGORY(xbt, "All XBT categories (simgrid toolbox)");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(module, xbt, "module handling");
-char *xbt_binary_name=NULL; /* Mandatory to retrieve neat backtraces */
-int xbt_initialized=0;
+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) */
-/** @brief Initialize the xbt mechanisms. */
-void
-xbt_init(int *argc, char **argv) {
- xbt_initialized++;
- if (xbt_initialized!=1)
- return;
+char *xbt_binary_name = NULL; /* Name of the system process containing us (mandatory to retrieve neat backtraces) */
+xbt_dynar_t xbt_cmdline = NULL; /* all we got in argv */
+
+int xbt_initialized = 0;
+
+/* 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);
+
+#ifdef _XBT_WIN32
+# undef _XBT_NEED_INIT_PRAGMA
+#endif
+
+#ifdef _XBT_NEED_INIT_PRAGMA
+#pragma init (xbt_preinit)
+#endif
+
+#ifdef _XBT_WIN32
+#include <windows.h>
+
+#ifndef __GNUC__
+/* Dummy prototype to make gcc happy */
+BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
+ LPVOID lpvReserved);
+
+/* Should not be necessary but for some reason,
+ * DllMain is called twice at attachment and
+ * at detachment.*/
+static int xbt_dll_process_is_attached = 0;
+
+/* 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_dll_process_is_attached == 0) {
+ xbt_dll_process_is_attached = 1;
+ xbt_preinit();
+ } else if (fdwReason == DLL_PROCESS_DETACH
+ && xbt_dll_process_is_attached == 1) {
+ xbt_dll_process_is_attached = 0;
+ }
+ return 1;
+}
+#endif
+
+#endif
- xbt_binary_name = strdup(argv[0]);
- srand((unsigned int)time(NULL));
- VERB0("Initialize XBT");
-
- xbt_log_init(argc,argv);
+static void xbt_preinit(void)
+{
+#ifdef MMALLOC_WANT_OVERRIDE_LEGACY
+ mmalloc_preinit();
+#endif
+ xbt_log_preinit();
+ xbt_backtrace_preinit();
+ xbt_os_thread_mod_preinit();
+ xbt_fifo_preinit();
+ xbt_dict_preinit();
+ atexit(xbt_postexit);
}
-/** @brief Finalize the xbt mechanisms. */
-void
-xbt_exit(){
- xbt_initialized--;
- if (xbt_initialized == 0) {
- free(xbt_binary_name);
- xbt_fifo_exit();
- xbt_dict_exit();
+static void xbt_postexit(void)
+{
+ xbt_backtrace_postexit();
+ xbt_fifo_postexit();
+ xbt_dict_postexit();
+ xbt_os_thread_mod_postexit();
+ xbt_dynar_free(&xbt_cmdline);
+ xbt_log_postexit();
+ free(xbt_binary_name);
+#ifdef MMALLOC_WANT_OVERRIDE_LEGACY
+ mmalloc_postexit();
+#endif
+}
+
+/** @brief Initialize the xbt mechanisms. */
+void xbt_init(int *argc, char **argv)
+{
+ if (xbt_initialized++) {
+ XBT_DEBUG("XBT was initialized %d times.", xbt_initialized);
+ return;
}
- xbt_log_exit();
+
+ xbt_binary_name = xbt_strdup(argv[0]);
+ xbt_cmdline = xbt_dynar_new(sizeof(char*),NULL);
+ int i;
+ for (i=0;i<*argc;i++) {
+ xbt_dynar_push(xbt_cmdline,&(argv[i]));
+ }
+
+ srand((unsigned int) time(NULL));
+
+ xbt_log_init(argc, argv);
+}
+
+/** @brief Finalize the xbt mechanisms.
+ * @warning this function is deprecated. Just don't call it, there is nothing more to do to finalize xbt*/
+void xbt_exit()
+{
+ XBT_WARN("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)
+{
+ free(p);
+}
+
+/** @brief should be given a pointer to pointer, and frees the second one */
+XBT_PUBLIC(void) xbt_free_ref(void *d)
+{
+ free(*(void **) d);
+}