173 lines
4.6 KiB
C
173 lines
4.6 KiB
C
/*
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******************************************************************************
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* *
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* Copyright (C) 2001-2003, International Business Machines *
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* Corporation and others. All Rights Reserved. *
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* *
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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 "ustr_imp.h"
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#include "unormimp.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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static cleanupFunc *gCleanupFunctions[UCLN_COMMON] = {
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NULL,
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NULL,
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NULL,
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NULL,
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NULL
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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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if (UCLN_START < type && type < UCLN_COMMON)
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{
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gCleanupFunctions[type] = func;
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}
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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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ECleanupLibraryType libType = UCLN_START;
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while (++libType < UCLN_COMMON)
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{
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if (gCleanupFunctions[libType])
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{
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gCleanupFunctions[libType]();
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}
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}
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#if !UCONFIG_NO_IDNA
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usprep_cleanup();
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#endif
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#if !UCONFIG_NO_BREAK_ITERATION
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breakiterator_cleanup();
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#endif
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#if !UCONFIG_NO_SERVICE
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service_cleanup();
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#endif
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ures_cleanup();
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locale_cleanup();
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uloc_cleanup();
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#if !UCONFIG_NO_NORMALIZATION
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unorm_cleanup();
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#endif
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uset_cleanup();
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unames_cleanup();
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pname_cleanup();
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uchar_cleanup();
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ucnv_cleanup();
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ucnv_io_cleanup();
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udata_cleanup();
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putil_cleanup();
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/*
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* WARNING! Destroying the global mutex can cause synchronization
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* problems. ICU must be reinitialized from a single thread
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* before the library is used again. You never want two
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* threads trying to initialize the global mutex at the same
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* time. The global mutex is being destroyed so that heap and
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* resource checkers don't complain. [grhoten]
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*/
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umtx_cleanup();
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cmemory_cleanup(); /* undo any heap functions set by u_setMemoryFunctions(). */
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}
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/*
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*
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* ICU Initialization Function. Force loading and/or initialization of
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* any shared data that could potentially be used concurrently
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* by multiple threads.
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*/
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U_CAPI void U_EXPORT2
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u_init(UErrorCode *status) {
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/* Make sure the global mutexes are initialized. */
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u_ICUStaticInitFunc();
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/* Do any required init for services that don't have open operations
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* and use "only" the double-check initialization method for performance
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* reasons (avoiding a mutex lock even for _checking_ whether the
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* initialization had occurred).
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*/
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/* Char Properties */
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uprv_haveProperties(status);
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#if !UCONFIG_NO_NORMALIZATION
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/* Normalization */
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unorm_haveData(status);
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#endif
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}
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/*
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* ICU Static Initialization Function
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*
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* Does that portion of ICU's initialization that wants to happen at C++
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* static initialization time. Can also be called directly if the same
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* initialization is needed later.
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*
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* The effect is to initialize mutexes that are required during the
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* lazy initialization of other parts of ICU.
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*/
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U_CFUNC UBool u_ICUStaticInitFunc()
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{
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UErrorCode status = U_ZERO_ERROR;
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UBool heapInUse = cmemory_inUse();
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umtx_init(NULL);
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ucnv_init(&status);
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ures_init(&status);
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if (heapInUse == FALSE) {
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/* If there was no use of ICU prior to calling this static init function,
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* pretend that there is still no use, even though the various inits may
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* have done some heap allocation. */
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cmemory_clearInUse();
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}
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return TRUE;
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}
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/*
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* Static Uninitialization Function
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*
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* Reverse the effects of ICU static initialization.
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* This is needed by u_setMutexFunctions(), which must get rid of any mutexes,
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* and associated memory, before swapping in the user's mutex funcs.
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*
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* Do NOT call cmemory_cleanup(). We don't want to cancel the effect of
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* any u_setHeapFunctions().
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*
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* Similarly, do not call umtx_cleanup(); we need to keep any user-set
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* mutex callback functions.
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*/
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U_CFUNC void u_ICUStaticUnInitFunc() {
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ucnv_cleanup();
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ures_cleanup();
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umtx_destroy(NULL);
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}
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