X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/4a201b7ceece70d2bc461ac48c8b746a36d07243..d0e28d3286e2c95074db63933b0a500223d5d767:/src/xbt/xbt_main.c diff --git a/src/xbt/xbt_main.c b/src/xbt/xbt_main.c index 3046752ef4..773e3c5b67 100644 --- a/src/xbt/xbt_main.c +++ b/src/xbt/xbt_main.c @@ -1,11 +1,13 @@ /* 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" @@ -16,87 +18,118 @@ #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 + +#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"); }