/* Copyright (C) 2000-2003 MySQL AB, 2008-2009 Sun Microsystems, Inc This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "mysys_priv.h" #include "my_static.h" #include "mysys_err.h" #include #include #include #ifdef __WIN__ #ifdef _MSC_VER #include #include /* WSAStartup needs winsock library*/ #pragma comment(lib, "ws2_32") #endif my_bool have_tcpip=0; static void my_win_init(void); static my_bool win32_init_tcp_ip(); #else #define my_win_init() #endif #define SCALE_SEC 100 #define SCALE_USEC 10000 my_bool my_init_done= 0; /** True if @c my_basic_init() has been called. */ my_bool my_basic_init_done= 0; uint mysys_usage_id= 0; /* Incremented for each my_init() */ ulong my_thread_stack_size= (sizeof(void*) <= 4)? 65536: ((256-16)*1024); static ulong atoi_octal(const char *str) { long int tmp; while (*str && my_isspace(&my_charset_latin1, *str)) str++; str2int(str, (*str == '0' ? 8 : 10), /* Octalt or decimalt */ 0, INT_MAX, &tmp); return (ulong) tmp; } MYSQL_FILE *mysql_stdin= NULL; static MYSQL_FILE instrumented_stdin; /** Perform a limited initialisation of mysys. This initialisation is sufficient to: - allocate memory, - read configuration files, - parse command lines arguments. To complete the mysys initialisation, call my_init(). @return 0 on success */ my_bool my_basic_init(void) { char * str; if (my_basic_init_done) return 0; my_basic_init_done= 1; mysys_usage_id++; my_umask= 0660; /* Default umask for new files */ my_umask_dir= 0700; /* Default umask for new directories */ /* Default creation of new files */ if ((str= getenv("UMASK")) != 0) my_umask= (int) (atoi_octal(str) | 0600); /* Default creation of new dir's */ if ((str= getenv("UMASK_DIR")) != 0) my_umask_dir= (int) (atoi_octal(str) | 0700); init_glob_errs(); instrumented_stdin.m_file= stdin; instrumented_stdin.m_psi= NULL; /* not yet instrumented */ mysql_stdin= & instrumented_stdin; my_progname_short= "unknown"; if (my_progname) my_progname_short= my_progname + dirname_length(my_progname); /* Initalize our mutex handling */ my_mutex_init(); #if defined(THREAD) if (my_thread_global_init()) return 1; #if defined(HAVE_PTHREAD_INIT) pthread_init(); /* Must be called before DBUG_ENTER */ #endif if (my_thread_basic_global_init()) return 1; #endif /* $HOME is needed early to parse configuration files located in ~/ */ if ((home_dir= getenv("HOME")) != 0) home_dir= intern_filename(home_dir_buff, home_dir); return 0; } /* Init my_sys functions and my_sys variabels SYNOPSIS my_init() RETURN 0 ok 1 Couldn't initialize environment */ my_bool my_init(void) { if (my_init_done) return 0; my_init_done= 1; if (my_basic_init()) return 1; #ifdef THREAD if (my_thread_global_init()) return 1; #endif /* THREAD */ { DBUG_ENTER("my_init"); DBUG_PROCESS((char*) (my_progname ? my_progname : "unknown")); my_win_init(); DBUG_PRINT("exit", ("home: '%s'", home_dir)); #ifdef __WIN__ win32_init_tcp_ip(); #endif DBUG_RETURN(0); } } /* my_init */ /* End my_sys */ void my_end(int infoflag) { /* this code is suboptimal to workaround a bug in Sun CC: Sun C++ 5.6 2004/06/02 for x86, and should not be optimized until this compiler is not in use anymore */ FILE *info_file= DBUG_FILE; my_bool print_info= (info_file != stderr); if (!my_init_done) return; /* We do not use DBUG_ENTER here, as after cleanup DBUG is no longer operational, so we cannot use DBUG_RETURN. */ DBUG_PRINT("info",("Shutting down: infoflag: %d print_info: %d", infoflag, print_info)); if (!info_file) { info_file= stderr; print_info= 0; } if ((infoflag & MY_CHECK_ERROR) || print_info) { /* Test if some file is left open */ if (my_file_opened | my_stream_opened) { char ebuff[512]; my_snprintf(ebuff, sizeof(ebuff), EE(EE_OPEN_WARNING), my_file_opened, my_stream_opened); my_message_stderr(EE_OPEN_WARNING, ebuff, ME_BELL); DBUG_PRINT("error", ("%s", ebuff)); my_print_open_files(); } } free_charsets(); my_error_unregister_all(); my_once_free(); if ((infoflag & MY_GIVE_INFO) || print_info) { #ifdef HAVE_GETRUSAGE struct rusage rus; #ifdef HAVE_valgrind /* Purify assumes that rus is uninitialized after getrusage call */ bzero((char*) &rus, sizeof(rus)); #endif if (!getrusage(RUSAGE_SELF, &rus)) fprintf(info_file,"\n\ User time %.2f, System time %.2f\n\ Maximum resident set size %ld, Integral resident set size %ld\n\ Non-physical pagefaults %ld, Physical pagefaults %ld, Swaps %ld\n\ Blocks in %ld out %ld, Messages in %ld out %ld, Signals %ld\n\ Voluntary context switches %ld, Involuntary context switches %ld\n", (rus.ru_utime.tv_sec * SCALE_SEC + rus.ru_utime.tv_usec / SCALE_USEC) / 100.0, (rus.ru_stime.tv_sec * SCALE_SEC + rus.ru_stime.tv_usec / SCALE_USEC) / 100.0, rus.ru_maxrss, rus.ru_idrss, rus.ru_minflt, rus.ru_majflt, rus.ru_nswap, rus.ru_inblock, rus.ru_oublock, rus.ru_msgsnd, rus.ru_msgrcv, rus.ru_nsignals, rus.ru_nvcsw, rus.ru_nivcsw); #endif #if defined(__WIN__) && defined(_MSC_VER) _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE ); _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR ); _CrtSetReportMode( _CRT_ERROR, _CRTDBG_MODE_FILE ); _CrtSetReportFile( _CRT_ERROR, _CRTDBG_FILE_STDERR ); _CrtSetReportMode( _CRT_ASSERT, _CRTDBG_MODE_FILE ); _CrtSetReportFile( _CRT_ASSERT, _CRTDBG_FILE_STDERR ); _CrtCheckMemory(); _CrtDumpMemoryLeaks(); #endif } if (!(infoflag & MY_DONT_FREE_DBUG)) { DBUG_END(); /* Must be done before my_thread_end */ } #ifdef THREAD my_thread_end(); my_thread_global_end(); my_mutex_end(); #if defined(SAFE_MUTEX) /* Check on destroying of mutexes. A few may be left that will get cleaned up by C++ destructors */ safe_mutex_end((infoflag & (MY_GIVE_INFO | MY_CHECK_ERROR)) ? stderr : (FILE *) 0); #endif /* defined(SAFE_MUTEX) */ #endif /* THREAD */ #ifdef __WIN__ if (have_tcpip) WSACleanup(); #endif /* __WIN__ */ my_init_done=0; my_basic_init_done= 0; } /* my_end */ #ifndef DBUG_OFF /* Dummy tag function for debugging */ void my_debug_put_break_here(void) { } #endif #ifdef __WIN__ /* my_parameter_handler Invalid parameter handler we will use instead of the one "baked" into the CRT for MSC v8. This one just prints out what invalid parameter was encountered. By providing this routine, routines like lseek will return -1 when we expect them to instead of crash. */ void my_parameter_handler(const wchar_t * expression, const wchar_t * function, const wchar_t * file, unsigned int line, uintptr_t pReserved) { DBUG_PRINT("my",("Expression: %s function: %s file: %s, line: %d", expression, function, file, line)); } #ifdef __MSVC_RUNTIME_CHECKS #include /* Turn off runtime checks for 'handle_rtc_failure' */ #pragma runtime_checks("", off) /* handle_rtc_failure Catch the RTC error and dump it to stderr */ int handle_rtc_failure(int err_type, const char *file, int line, const char* module, const char *format, ...) { va_list args; va_start(args, format); fprintf(stderr, "Error:"); vfprintf(stderr, format, args); fprintf(stderr, " At %s:%d\n", file, line); va_end(args); (void) fflush(stderr); return 0; /* Error is handled */ } #pragma runtime_checks("", restore) #endif static void my_win_init(void) { DBUG_ENTER("my_win_init"); #if defined(_MSC_VER) #if _MSC_VER < 1300 /* Clear the OS system variable TZ and avoid the 100% CPU usage Only for old versions of Visual C++ */ _putenv( "TZ=" ); #endif #if _MSC_VER >= 1400 /* this is required to make crt functions return -1 appropriately */ _set_invalid_parameter_handler(my_parameter_handler); #endif #endif #ifdef __MSVC_RUNTIME_CHECKS /* Install handler to send RTC (Runtime Error Check) warnings to log file */ _RTC_SetErrorFunc(handle_rtc_failure); #endif _tzset(); /* The following is used by time functions */ #define OFFSET_TO_EPOC ((__int64) 134774 * 24 * 60 * 60 * 1000 * 1000 * 10) #define MS 10000000 { FILETIME ft; LARGE_INTEGER li, t_cnt; DBUG_ASSERT(sizeof(LARGE_INTEGER) == sizeof(query_performance_frequency)); if (QueryPerformanceFrequency((LARGE_INTEGER *)&query_performance_frequency) == 0) query_performance_frequency= 0; else { GetSystemTimeAsFileTime(&ft); li.LowPart= ft.dwLowDateTime; li.HighPart= ft.dwHighDateTime; query_performance_offset= li.QuadPart-OFFSET_TO_EPOC; QueryPerformanceCounter(&t_cnt); query_performance_offset-= (t_cnt.QuadPart / query_performance_frequency * MS + t_cnt.QuadPart % query_performance_frequency * MS / query_performance_frequency); } } { /* Open HKEY_LOCAL_MACHINE\SOFTWARE\MySQL and set any strings found there as environment variables */ HKEY key_handle; if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, (LPCTSTR)"SOFTWARE\\MySQL", 0, KEY_READ, &key_handle) == ERROR_SUCCESS) { LONG ret; DWORD index= 0; DWORD type; char key_name[256], key_data[1024]; DWORD key_name_len= sizeof(key_name) - 1; DWORD key_data_len= sizeof(key_data) - 1; while ((ret= RegEnumValue(key_handle, index++, key_name, &key_name_len, NULL, &type, (LPBYTE)&key_data, &key_data_len)) != ERROR_NO_MORE_ITEMS) { char env_string[sizeof(key_name) + sizeof(key_data) + 2]; if (ret == ERROR_MORE_DATA) { /* Registry value larger than 'key_data', skip it */ DBUG_PRINT("error", ("Skipped registry value that was too large")); } else if (ret == ERROR_SUCCESS) { if (type == REG_SZ) { strxmov(env_string, key_name, "=", key_data, NullS); /* variable for putenv must be allocated ! */ putenv(strdup(env_string)) ; } } else { /* Unhandled error, break out of loop */ break; } key_name_len= sizeof(key_name) - 1; key_data_len= sizeof(key_data) - 1; } RegCloseKey(key_handle) ; } } DBUG_VOID_RETURN ; } /*------------------------------------------------------------------ Name: CheckForTcpip| Desc: checks if tcpip has been installed on system According to Microsoft Developers documentation the first registry entry should be enough to check if TCP/IP is installed, but as expected this doesn't work on all Win32 machines :( ------------------------------------------------------------------*/ #define TCPIPKEY "SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters" #define WINSOCK2KEY "SYSTEM\\CurrentControlSet\\Services\\Winsock2\\Parameters" #define WINSOCKKEY "SYSTEM\\CurrentControlSet\\Services\\Winsock\\Parameters" static my_bool win32_have_tcpip(void) { HKEY hTcpipRegKey; if (RegOpenKeyEx ( HKEY_LOCAL_MACHINE, TCPIPKEY, 0, KEY_READ, &hTcpipRegKey) != ERROR_SUCCESS) { if (RegOpenKeyEx ( HKEY_LOCAL_MACHINE, WINSOCK2KEY, 0, KEY_READ, &hTcpipRegKey) != ERROR_SUCCESS) { if (RegOpenKeyEx ( HKEY_LOCAL_MACHINE, WINSOCKKEY, 0, KEY_READ, &hTcpipRegKey) != ERROR_SUCCESS) if (!getenv("HAVE_TCPIP") || have_tcpip) /* Provide a workaround */ return (FALSE); } } RegCloseKey ( hTcpipRegKey); return (TRUE); } static my_bool win32_init_tcp_ip() { if (win32_have_tcpip()) { WORD wVersionRequested = MAKEWORD( 2, 2 ); WSADATA wsaData; /* Be a good citizen: maybe another lib has already initialised sockets, so dont clobber them unless necessary */ if (WSAStartup( wVersionRequested, &wsaData )) { /* Load failed, maybe because of previously loaded incompatible version; try again */ WSACleanup( ); if (!WSAStartup( wVersionRequested, &wsaData )) have_tcpip=1; } else { if (wsaData.wVersion != wVersionRequested) { /* Version is no good, try again */ WSACleanup( ); if (!WSAStartup( wVersionRequested, &wsaData )) have_tcpip=1; } else have_tcpip=1; } } return(0); } #endif /* __WIN__ */ #ifdef HAVE_PSI_INTERFACE #if !defined(HAVE_PREAD) && !defined(_WIN32) PSI_mutex_key key_my_file_info_mutex; #endif /* !defined(HAVE_PREAD) && !defined(_WIN32) */ #if !defined(HAVE_LOCALTIME_R) || !defined(HAVE_GMTIME_R) PSI_mutex_key key_LOCK_localtime_r; #endif /* !defined(HAVE_LOCALTIME_R) || !defined(HAVE_GMTIME_R) */ #ifndef HAVE_GETHOSTBYNAME_R PSI_mutex_key key_LOCK_gethostbyname_r; #endif /* HAVE_GETHOSTBYNAME_R */ PSI_mutex_key key_BITMAP_mutex, key_IO_CACHE_append_buffer_lock, key_IO_CACHE_SHARE_mutex, key_KEY_CACHE_cache_lock, key_LOCK_alarm, key_my_thread_var_mutex, key_THR_LOCK_charset, key_THR_LOCK_heap, key_THR_LOCK_isam, key_THR_LOCK_lock, key_THR_LOCK_malloc, key_THR_LOCK_mutex, key_THR_LOCK_myisam, key_THR_LOCK_net, key_THR_LOCK_open, key_THR_LOCK_threads, key_THR_LOCK_time, key_TMPDIR_mutex, key_THR_LOCK_myisam_mmap; static PSI_mutex_info all_mysys_mutexes[]= { #if defined(THREAD) && !defined(HAVE_PREAD) && !defined(_WIN32) { &key_my_file_info_mutex, "st_my_file_info:mutex", 0}, #endif /* !defined(HAVE_PREAD) && !defined(_WIN32) */ #if !defined(HAVE_LOCALTIME_R) || !defined(HAVE_GMTIME_R) { &key_LOCK_localtime_r, "LOCK_localtime_r", PSI_FLAG_GLOBAL}, #endif /* !defined(HAVE_LOCALTIME_R) || !defined(HAVE_GMTIME_R) */ #ifndef HAVE_GETHOSTBYNAME_R { &key_LOCK_gethostbyname_r, "LOCK_gethostbyname_r", PSI_FLAG_GLOBAL}, #endif /* HAVE_GETHOSTBYNAME_R */ { &key_BITMAP_mutex, "BITMAP::mutex", 0}, { &key_IO_CACHE_append_buffer_lock, "IO_CACHE::append_buffer_lock", 0}, { &key_IO_CACHE_SHARE_mutex, "IO_CACHE::SHARE_mutex", 0}, { &key_KEY_CACHE_cache_lock, "KEY_CACHE::cache_lock", 0}, { &key_LOCK_alarm, "LOCK_alarm", PSI_FLAG_GLOBAL}, { &key_my_thread_var_mutex, "my_thread_var::mutex", 0}, { &key_THR_LOCK_charset, "THR_LOCK_charset", PSI_FLAG_GLOBAL}, { &key_THR_LOCK_heap, "THR_LOCK_heap", PSI_FLAG_GLOBAL}, { &key_THR_LOCK_isam, "THR_LOCK_isam", PSI_FLAG_GLOBAL}, { &key_THR_LOCK_lock, "THR_LOCK_lock", PSI_FLAG_GLOBAL}, { &key_THR_LOCK_malloc, "THR_LOCK_malloc", PSI_FLAG_GLOBAL}, { &key_THR_LOCK_mutex, "THR_LOCK::mutex", 0}, { &key_THR_LOCK_myisam, "THR_LOCK_myisam", PSI_FLAG_GLOBAL}, { &key_THR_LOCK_net, "THR_LOCK_net", PSI_FLAG_GLOBAL}, { &key_THR_LOCK_open, "THR_LOCK_open", PSI_FLAG_GLOBAL}, { &key_THR_LOCK_threads, "THR_LOCK_threads", PSI_FLAG_GLOBAL}, { &key_THR_LOCK_time, "THR_LOCK_time", PSI_FLAG_GLOBAL}, { &key_TMPDIR_mutex, "TMPDIR_mutex", PSI_FLAG_GLOBAL}, { &key_THR_LOCK_myisam_mmap, "THR_LOCK_myisam_mmap", PSI_FLAG_GLOBAL} }; PSI_cond_key key_COND_alarm, key_IO_CACHE_SHARE_cond, key_IO_CACHE_SHARE_cond_writer, key_my_thread_var_suspend, key_THR_COND_threads; static PSI_cond_info all_mysys_conds[]= { { &key_COND_alarm, "COND_alarm", PSI_FLAG_GLOBAL}, { &key_IO_CACHE_SHARE_cond, "IO_CACHE_SHARE::cond", 0}, { &key_IO_CACHE_SHARE_cond_writer, "IO_CACHE_SHARE::cond_writer", 0}, { &key_my_thread_var_suspend, "my_thread_var::suspend", 0}, { &key_THR_COND_threads, "THR_COND_threads", 0} }; #ifdef USE_ALARM_THREAD PSI_thread_key key_thread_alarm; static PSI_thread_info all_mysys_threads[]= { { &key_thread_alarm, "alarm", PSI_FLAG_GLOBAL} }; #endif /* USE_ALARM_THREAD */ #ifdef HUGETLB_USE_PROC_MEMINFO PSI_file_key key_file_proc_meminfo; #endif /* HUGETLB_USE_PROC_MEMINFO */ PSI_file_key key_file_charset, key_file_cnf; static PSI_file_info all_mysys_files[]= { #ifdef HUGETLB_USE_PROC_MEMINFO { &key_file_proc_meminfo, "proc_meminfo", 0}, #endif /* HUGETLB_USE_PROC_MEMINFO */ { &key_file_charset, "charset", 0}, { &key_file_cnf, "cnf", 0} }; void my_init_mysys_psi_keys() { const char* category= "mysys"; int count; if (PSI_server == NULL) return; count= sizeof(all_mysys_mutexes)/sizeof(all_mysys_mutexes[0]); PSI_server->register_mutex(category, all_mysys_mutexes, count); count= sizeof(all_mysys_conds)/sizeof(all_mysys_conds[0]); PSI_server->register_cond(category, all_mysys_conds, count); #ifdef USE_ALARM_THREAD count= sizeof(all_mysys_threads)/sizeof(all_mysys_threads[0]); PSI_server->register_thread(category, all_mysys_threads, count); #endif /* USE_ALARM_THREAD */ count= sizeof(all_mysys_files)/sizeof(all_mysys_files[0]); PSI_server->register_file(category, all_mysys_files, count); } #endif /* HAVE_PSI_INTERFACE */