125 lines
3.6 KiB
C
125 lines
3.6 KiB
C
/*
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******************************************************************************
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* Copyright (C) 2001-2012, International Business Machines
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* Corporation and others. All Rights Reserved.
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******************************************************************************
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* file name: ucln_cmn.c
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 2001July05
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* created by: George Rhoten
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*/
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#include "unicode/utypes.h"
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#include "unicode/uclean.h"
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#include "utracimp.h"
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#include "ucln_cmn.h"
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#include "umutex.h"
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#include "ucln.h"
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#include "cmemory.h"
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#include "uassert.h"
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/** Auto-client for UCLN_COMMON **/
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#define UCLN_TYPE_IS_COMMON
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#include "ucln_imp.h"
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static UBool gICUInitialized = FALSE;
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static UMTX gICUInitMutex = NULL;
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static cleanupFunc *gCommonCleanupFunctions[UCLN_COMMON_COUNT];
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static cleanupFunc *gLibCleanupFunctions[UCLN_COMMON];
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U_CFUNC UBool ucln_mutexedInit(initFunc *func, UErrorCode *status) {
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UBool initialized = FALSE;
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umtx_lock(&gICUInitMutex);
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if (!gICUInitialized && U_SUCCESS(*status)) {
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if (func != NULL) {
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func(status);
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}
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gICUInitialized = TRUE; /* TODO: don't set if U_FAILURE? */
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initialized = TRUE;
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}
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umtx_unlock(&gICUInitMutex);
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return initialized;
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}
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/************************************************
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The cleanup order is important in this function.
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Please be sure that you have read ucln.h
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************************************************/
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U_CAPI void U_EXPORT2
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u_cleanup(void)
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{
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UTRACE_ENTRY_OC(UTRACE_U_CLEANUP);
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umtx_lock(NULL); /* Force a memory barrier, so that we are sure to see */
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umtx_unlock(NULL); /* all state left around by any other threads. */
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ucln_lib_cleanup();
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umtx_destroy(&gICUInitMutex);
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umtx_cleanup();
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cmemory_cleanup(); /* undo any heap functions set by u_setMemoryFunctions(). */
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gICUInitialized = FALSE;
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UTRACE_EXIT(); /* Must be before utrace_cleanup(), which turns off tracing. */
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/*#if U_ENABLE_TRACING*/
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utrace_cleanup();
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/*#endif*/
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}
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U_CAPI void U_EXPORT2 ucln_cleanupOne(ECleanupLibraryType libType)
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{
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if (gLibCleanupFunctions[libType])
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{
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gLibCleanupFunctions[libType]();
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gLibCleanupFunctions[libType] = NULL;
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}
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}
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U_CFUNC void
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ucln_common_registerCleanup(ECleanupCommonType type,
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cleanupFunc *func)
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{
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U_ASSERT(UCLN_COMMON_START < type && type < UCLN_COMMON_COUNT);
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if (UCLN_COMMON_START < type && type < UCLN_COMMON_COUNT)
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{
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gCommonCleanupFunctions[type] = func;
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}
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#if !UCLN_NO_AUTO_CLEANUP && (defined(UCLN_AUTO_ATEXIT) || defined(UCLN_AUTO_LOCAL))
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ucln_registerAutomaticCleanup();
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#endif
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}
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U_CAPI void U_EXPORT2
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ucln_registerCleanup(ECleanupLibraryType type,
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cleanupFunc *func)
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{
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U_ASSERT(UCLN_START < type && type < UCLN_COMMON);
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if (UCLN_START < type && type < UCLN_COMMON)
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{
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gLibCleanupFunctions[type] = func;
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}
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}
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U_CFUNC UBool ucln_lib_cleanup(void) {
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ECleanupLibraryType libType = UCLN_START;
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ECleanupCommonType commonFunc = UCLN_COMMON_START;
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for (libType++; libType<UCLN_COMMON; libType++) {
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ucln_cleanupOne(libType);
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}
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for (commonFunc++; commonFunc<UCLN_COMMON_COUNT; commonFunc++) {
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if (gCommonCleanupFunctions[commonFunc])
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{
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gCommonCleanupFunctions[commonFunc]();
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gCommonCleanupFunctions[commonFunc] = NULL;
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}
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}
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#if !UCLN_NO_AUTO_CLEANUP && (defined(UCLN_AUTO_ATEXIT) || defined(UCLN_AUTO_LOCAL))
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ucln_unRegisterAutomaticCleanup();
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#endif
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return TRUE;
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}
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