/* 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 "xbt/sysdep.h"
#include "xbt/log.h"
#include "xbt_modinter.h" /* prototype of other module's init/exit in XBT */
+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 */
+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) */
+
+
+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;
-XBT_LOG_EXTERNAL_CATEGORY(graphxml_parse);
-XBT_LOG_EXTERNAL_CATEGORY(log);
-XBT_LOG_EXTERNAL_CATEGORY(module);
-XBT_LOG_EXTERNAL_CATEGORY(peer);
-XBT_LOG_EXTERNAL_CATEGORY(strbuff);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_cfg);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_dict);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_dict_add);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_dict_collapse);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_dict_cursor);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_dict_elm);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_dict_multi);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_dict_remove);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_dict_search);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_dyn);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_ex);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_fifo);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_graph);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_matrix);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_queue);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_set);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_sync_os);
+/* 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
+
+static void xbt_preinit(void) {
+ unsigned int seed = 2147483647;
+
+#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();
+
+ srand(seed);
+ srand48(seed);
+
+ atexit(xbt_postexit);
+}
+
+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)
{
- xbt_initialized++;
-
- if (xbt_initialized != 1)
+ if (xbt_initialized++) {
+ XBT_DEBUG("XBT was initialized %d times.", xbt_initialized);
return;
-
- /* Connect our log channels: that must be done manually under windows */
- XBT_LOG_CONNECT(graphxml_parse, xbt);
- XBT_LOG_CONNECT(log, xbt);
- XBT_LOG_CONNECT(module, xbt);
- XBT_LOG_CONNECT(peer, xbt);
- XBT_LOG_CONNECT(strbuff, xbt);
- XBT_LOG_CONNECT(xbt_cfg, xbt);
- XBT_LOG_CONNECT(xbt_dict, xbt);
- XBT_LOG_CONNECT(xbt_dict_add, xbt_dict);
- XBT_LOG_CONNECT(xbt_dict_collapse, xbt_dict);
- XBT_LOG_CONNECT(xbt_dict_cursor, xbt_dict);
- XBT_LOG_CONNECT(xbt_dict_elm, xbt_dict);
- XBT_LOG_CONNECT(xbt_dict_multi, xbt_dict);
- XBT_LOG_CONNECT(xbt_dict_remove, xbt_dict);
- XBT_LOG_CONNECT(xbt_dict_search, xbt_dict);
- XBT_LOG_CONNECT(xbt_dyn, xbt);
- XBT_LOG_CONNECT(xbt_ex, xbt);
- XBT_LOG_CONNECT(xbt_fifo, xbt);
- XBT_LOG_CONNECT(xbt_graph, xbt);
- XBT_LOG_CONNECT(xbt_matrix, xbt);
- XBT_LOG_CONNECT(xbt_queue, xbt);
- XBT_LOG_CONNECT(xbt_set, xbt);
- XBT_LOG_CONNECT(xbt_sync_os, xbt);
+ }
xbt_binary_name = xbt_strdup(argv[0]);
- srand((unsigned int) time(NULL));
- VERB0("Initialize XBT");
-
- xbt_backtrace_init();
+ xbt_cmdline = xbt_dynar_new(sizeof(char*),NULL);
+ int i;
+ for (i=0;i<*argc;i++) {
+ xbt_dynar_push(xbt_cmdline,&(argv[i]));
+ }
+
xbt_log_init(argc, argv);
- xbt_os_thread_mod_init();
}
-/** @brief Finalize the xbt mechanisms. */
+/** @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_initialized--;
- if (xbt_initialized == 0) {
- xbt_fifo_exit();
- xbt_dict_exit();
- xbt_os_thread_mod_exit();
- xbt_log_exit();
- xbt_backtrace_exit();
- free(xbt_binary_name);
- }
+ XBT_WARN("This function is deprecated, you shouldn't use it");
}
