TitlecaseTransliterator::TitlecaseTransliterator(const Locale& theLoc) :
Transliterator(_ID, 0),
loc(theLoc),
buffer(0)
{
buffer = (UChar *)uprv_malloc(u_getMaxCaseExpansion()*sizeof(buffer[0]));
// Need to look back 2 characters in the case of "can't"
setMaximumContextLength(2);
umtx_lock(NULL);
UBool f = (SKIP == NULL);
umtx_unlock(NULL);
if (f) {
UErrorCode ec = U_ZERO_ERROR;
UnicodeSet* skip =
new UnicodeSet(UNICODE_STRING_SIMPLE("[\\u00AD \\u2019 \\' [:Mn:] [:Me:] [:Cf:] [:Lm:] [:Sk:]]"), ec);
UnicodeSet* cased =
new UnicodeSet(UNICODE_STRING_SIMPLE("[[:Lu:] [:Ll:] [:Lt:]]"), ec);
if (skip != NULL && cased != NULL && U_SUCCESS(ec)) {
umtx_lock(NULL);
if (SKIP == NULL) {
SKIP = skip;
CASED = cased;
skip = cased = NULL;
}
umtx_unlock(NULL);
}
delete skip;
delete cased;
ucln_i18n_registerCleanup();
}
}
U_CAPI void U_EXPORT2
umtx_condWait(UConditionVar *condition, UMutex *mutex) {
if (condition->fEntryGate == NULL) {
// Note: because the associated mutex must be locked when calling
// wait, we know that there can not be multiple threads
// running here with the same condition variable.
// Meaning that lazy initialization is safe.
U_ASSERT(condition->fExitGate == NULL);
condition->fEntryGate = CreateEvent(NULL, // Security Attributes
TRUE, // Manual Reset
FALSE, // Initially reset
NULL); // Name.
U_ASSERT(condition->fEntryGate != NULL);
condition->fExitGate = CreateEvent(NULL, TRUE, TRUE, NULL);
U_ASSERT(condition->fExitGate != NULL);
}
condition->fWaitCount++;
umtx_unlock(mutex);
WaitForSingleObject(condition->fEntryGate, INFINITE);
umtx_lock(mutex);
condition->fWaitCount--;
if (condition->fWaitCount == 0) {
// All threads that were waiting at the entry gate have woken up
// and moved through. Shut the entry gate and open the exit gate.
ResetEvent(condition->fEntryGate);
SetEvent(condition->fExitGate);
} else {
umtx_unlock(mutex);
WaitForSingleObject(condition->fExitGate, INFINITE);
umtx_lock(mutex);
}
}
U_CAPI void U_EXPORT2
u_init(UErrorCode *status) {
UTRACE_ENTRY_OC(UTRACE_U_INIT);
/* Make sure the global mutexes are initialized. */
umtx_init(NULL);
umtx_lock(&gICUInitMutex);
if (gICUInitialized || U_FAILURE(*status)) {
umtx_unlock(&gICUInitMutex);
UTRACE_EXIT_STATUS(*status);
return;
}
/* Do any required init for services that don't have open operations
* and use "only" the double-check initialization method for performance
* reasons (avoiding a mutex lock even for _checking_ whether the
* initialization had occurred).
*/
/* Char Properties */
uprv_loadPropsData(status);
#if !UCONFIG_NO_NORMALIZATION
/* Normalization */
unorm_haveData(status);
#endif
gICUInitialized = TRUE; /* TODO: don't set if U_FAILURE? */
umtx_unlock(&gICUInitMutex);
UTRACE_EXIT_STATUS(*status);
}
/*
* ICU Initialization Function. Need not be called.
*/
U_CAPI void U_EXPORT2
u_init(UErrorCode *status) {
UTRACE_ENTRY_OC(UTRACE_U_INIT);
/* initialize plugins */
uplug_init(status);
umtx_lock(&gICUInitMutex);
if (gICUInitialized || U_FAILURE(*status)) {
umtx_unlock(&gICUInitMutex);
UTRACE_EXIT_STATUS(*status);
return;
}
/*
* 2005-may-02
*
* ICU4C 3.4 (jitterbug 4497) hardcodes the data for Unicode character
* properties for APIs that want to be fast.
* Therefore, we need not load them here nor check for errors.
* Instead, we load the converter alias table to see if any ICU data
* is available.
* Users should really open the service objects they need and check
* for errors there, to make sure that the actual items they need are
* available.
*/
#if !UCONFIG_NO_CONVERSION
ucnv_io_countKnownConverters(status);
#endif
gICUInitialized = TRUE; /* TODO: don't set if U_FAILURE? */
umtx_unlock(&gICUInitMutex);
UTRACE_EXIT_STATUS(*status);
}
CollData *CollDataCache::get(UCollator *collator, UErrorCode &status)
{
char keyBuffer[KEY_BUFFER_SIZE];
int32_t keyLength = KEY_BUFFER_SIZE;
char *key = getKey(collator, keyBuffer, &keyLength);
CollData *result = NULL, *newData = NULL;
CollDataCacheEntry *entry = NULL, *newEntry = NULL;
umtx_lock(&lock);
entry = (CollDataCacheEntry *) uhash_get(cache, key);
if (entry == NULL) {
umtx_unlock(&lock);
newData = new CollData(collator, key, keyLength, status);
newEntry = new CollDataCacheEntry(newData);
if (U_FAILURE(status) || newData == NULL || newEntry == NULL) {
status = U_MEMORY_ALLOCATION_ERROR;
return NULL;
}
umtx_lock(&lock);
entry = (CollDataCacheEntry *) uhash_get(cache, key);
if (entry == NULL) {
uhash_put(cache, newData->key, newEntry, &status);
umtx_unlock(&lock);
if (U_FAILURE(status)) {
delete newEntry;
delete newData;
return NULL;
}
return newData;
}
}
result = entry->data;
entry->refCount += 1;
umtx_unlock(&lock);
if (key != keyBuffer) {
deleteKey(key);
}
if (newEntry != NULL) {
delete newEntry;
delete newData;
}
return result;
}
static int32_t
usprep_internal_flushCache(UBool noRefCount)
{
UStringPrepProfile * profile = NULL;
UStringPrepKey * key = NULL;
int32_t pos = -1;
int32_t deletedNum = 0;
const UHashElement * e;
/*
* if shared data hasn't even been lazy evaluated yet
* return 0
*/
umtx_lock(&usprepMutex);
if (SHARED_DATA_HASHTABLE == NULL)
{
umtx_unlock(&usprepMutex);
return 0;
}
/*creates an enumeration to iterate through every element in the table */
while ((e = uhash_nextElement(SHARED_DATA_HASHTABLE, &pos)) != NULL)
{
profile = (UStringPrepProfile *) e->value.pointer;
key = (UStringPrepKey *) e->key.pointer;
if ((noRefCount == FALSE && profile->refCount == 0) ||
noRefCount == TRUE)
{
deletedNum++;
uhash_removeElement(SHARED_DATA_HASHTABLE, e);
/* unload the data */
usprep_unload(profile);
if (key->name != NULL)
{
uprv_free(key->name);
key->name = NULL;
}
if (key->path != NULL)
{
uprv_free(key->path);
key->path = NULL;
}
uprv_free(profile);
uprv_free(key);
}
}
umtx_unlock(&usprepMutex);
return deletedNum;
}
U_CAPI void U_EXPORT2
umtx_init(UMTX *mutex)
{
#if (ICU_USE_THREADS == 1)
if (mutex == NULL) /* initialize the global mutex */
{
/* Note: The initialization of the global mutex is NOT thread safe. */
if (gGlobalMutex != NULL) {
return;
}
gGlobalMutex = umtx_raw_init(&gPlatformMutex);
# ifdef POSIX_DEBUG_REENTRANCY
gInMutex = FALSE;
# endif
#ifdef _DEBUG
gRecursionCount = 0;
#endif
#ifdef POSIX
umtx_raw_init(&gIncDecMutex);
#endif
} else {
/* Not the global mutex.
* Thread safe initialization, using the global mutex.
*/
UBool isInitialized;
UMTX tMutex = NULL;
umtx_lock(NULL);
isInitialized = (*mutex != NULL);
umtx_unlock(NULL);
if (isInitialized) {
return;
}
tMutex = umtx_raw_init(NULL);
umtx_lock(NULL);
if (*mutex == NULL) {
*mutex = tMutex;
tMutex = NULL;
}
umtx_unlock(NULL);
umtx_destroy(&tMutex); /* NOP if (tmutex == NULL) */
}
#endif /* ICU_USE_THREADS==1 */
}
U_CAPI void U_EXPORT2
u_init(UErrorCode *status) {
UTRACE_ENTRY_OC(UTRACE_U_INIT);
/* Make sure the global mutexes are initialized. */
umtx_init(NULL);
umtx_lock(&gICUInitMutex);
if (gICUInitialized || U_FAILURE(*status)) {
umtx_unlock(&gICUInitMutex);
UTRACE_EXIT_STATUS(*status);
return;
}
#if 1
/*
* 2005-may-02
*
* ICU4C 3.4 (jitterbug 4497) hardcodes the data for Unicode character
* properties for APIs that want to be fast.
* Therefore, we need not load them here nor check for errors.
* Instead, we load the converter alias table to see if any ICU data
* is available.
* Users should really open the service objects they need and check
* for errors there, to make sure that the actual items they need are
* available.
*/
#if !UCONFIG_NO_CONVERSION
ucnv_io_countKnownConverters(status);
#endif
#else
/* Do any required init for services that don't have open operations
* and use "only" the double-check initialization method for performance
* reasons (avoiding a mutex lock even for _checking_ whether the
* initialization had occurred).
*/
/* Char Properties */
uprv_haveProperties(status);
/* load the case and bidi properties but don't fail if they are not available */
u_isULowercase(0x61);
u_getIntPropertyValue(0x200D, UCHAR_JOINING_TYPE); /* ZERO WIDTH JOINER: Join_Causing */
#if !UCONFIG_NO_NORMALIZATION
/* Normalization */
unorm_haveData(status);
#endif
#endif
gICUInitialized = TRUE; /* TODO: don't set if U_FAILURE? */
umtx_unlock(&gICUInitMutex);
UTRACE_EXIT_STATUS(*status);
}
template<> U_EXPORT
const UCTMultiThreadItem *LocaleCacheKey<UCTMultiThreadItem>::createObject(
const void *context, UErrorCode &status) const {
const UnifiedCache *cacheContext = (const UnifiedCache *) context;
if (uprv_strcmp(fLoc.getLanguage(), fLoc.getName()) != 0) {
const UCTMultiThreadItem *result = NULL;
if (cacheContext == NULL) {
UnifiedCache::getByLocale(fLoc.getLanguage(), result, status);
return result;
}
cacheContext->get(LocaleCacheKey<UCTMultiThreadItem>(fLoc.getLanguage()), result, status);
return result;
}
umtx_lock(&gCTMutex);
bool firstObject = (gObjectsCreated == 0);
if (firstObject) {
// Force the first object creation that comes through to wait
// until other have completed. Verifies that cache doesn't
// deadlock when a creation is slow.
// Note that gObjectsCreated needs to be incremeneted from 0 to 1
// early, to keep subsequent threads from entering this path.
gObjectsCreated = 1;
while (gObjectsCreated < 3) {
umtx_condWait(&gCTConditionVar, &gCTMutex);
}
}
umtx_unlock(&gCTMutex);
const UCTMultiThreadItem *result =
new UCTMultiThreadItem(fLoc.getLanguage());
if (result == NULL) {
status = U_MEMORY_ALLOCATION_ERROR;
} else {
result->addRef();
}
// Log that we created an object. The first object was already counted,
// don't do it again.
umtx_lock(&gCTMutex);
if (!firstObject) {
gObjectsCreated += 1;
}
umtx_condBroadcast(&gCTConditionVar);
umtx_unlock(&gCTMutex);
return result;
}
virtual void run()
{
// This is the code that each of the spawned threads runs.
// All of the spawned threads bunch up together at each of the two mutexes
// because the main holds the mutexes until they do.
//
safeIncr(gThreadsStarted, 1);
umtx_lock(&gTestMutexA);
umtx_unlock(&gTestMutexA);
safeIncr(gThreadsInMiddle, 1);
umtx_lock(&gTestMutexB);
umtx_unlock(&gTestMutexB);
safeIncr(gThreadsDone, 1);
}
/* get the UBiDiProps singleton, or else its dummy, once and for all */
static const UBiDiProps *
getBiDiProps() {
/*
* This lazy intialization with double-checked locking (without mutex protection for
* the initial check) is transiently unsafe under certain circumstances.
* Check the readme and use u_init() if necessary.
*/
/* the initial check is performed by the GET_BIDI_PROPS() macro */
const UBiDiProps *bdp;
UErrorCode errorCode=U_ZERO_ERROR;
bdp=ubidi_getSingleton(&errorCode);
#if !UBIDI_HARDCODE_DATA
if(U_FAILURE(errorCode)) {
errorCode=U_ZERO_ERROR;
bdp=ubidi_getDummy(&errorCode);
if(U_FAILURE(errorCode)) {
return NULL;
}
}
#endif
umtx_lock(NULL);
if(gBdp==NULL) {
gBdp=bdp;
ucln_common_registerCleanup(UCLN_COMMON_UPROPS, uprops_cleanup);
}
umtx_unlock(NULL);
return gBdp;
}
U_COMMON_API int32_t U_EXPORT2
umtx_loadAcquire(u_atomic_int32_t &var) {
umtx_lock(&gIncDecMutex);
int32_t val = var;
umtx_unlock(&gIncDecMutex);
return val;
}
U_CDECL_END
/**
* Load the property names data. Caller should check that data is
* not loaded BEFORE calling this function. Returns TRUE if the load
* succeeds.
*/
static UBool _load() {
UErrorCode ec = U_ZERO_ERROR;
UDataMemory* data =
udata_openChoice(0, PNAME_DATA_TYPE, PNAME_DATA_NAME,
isPNameAcceptable, 0, &ec);
if (U_SUCCESS(ec)) {
umtx_lock(NULL);
if (UDATA == NULL) {
UDATA = data;
PNAME = (const PropertyAliases*) udata_getMemory(UDATA);
ucln_common_registerCleanup(UCLN_COMMON_PNAME, pname_cleanup);
data = NULL;
}
umtx_unlock(NULL);
}
if (data) {
udata_close(data);
}
return PNAME!=NULL;
}
const char*
TimeZone::getTZDataVersion(UErrorCode& status)
{
/* This is here to prevent race conditions. */
UBool needsInit;
UMTX_CHECK(&LOCK, !TZDataVersionInitialized, needsInit);
if (needsInit) {
int32_t len = 0;
UResourceBundle *bundle = ures_openDirect(NULL, "zoneinfo", &status);
const UChar *tzver = ures_getStringByKey(bundle, "TZVersion",
&len, &status);
if (U_SUCCESS(status)) {
if (len >= (int32_t)sizeof(TZDATA_VERSION)) {
// Ensure that there is always space for a trailing nul in TZDATA_VERSION
len = sizeof(TZDATA_VERSION) - 1;
}
umtx_lock(&LOCK);
if (!TZDataVersionInitialized) {
u_UCharsToChars(tzver, TZDATA_VERSION, len);
TZDataVersionInitialized = TRUE;
}
umtx_unlock(&LOCK);
ucln_i18n_registerCleanup(UCLN_I18N_TIMEZONE, timeZone_cleanup);
}
ures_close(bundle);
}
if (U_FAILURE(status)) {
return NULL;
}
return (const char*)TZDATA_VERSION;
}
/*
* Set the data directory.
* Make a copy of the passed string, and set the global data dir to point to it.
* TODO: see bug #2849, regarding thread safety.
*/
U_CAPI void U_EXPORT2
u_setDataDirectory(const char *directory) {
char *newDataDir;
int32_t length;
if(directory==NULL || *directory==0) {
/* A small optimization to prevent the malloc and copy when the
shared library is used, and this is a way to make sure that NULL
is never returned.
*/
newDataDir = (char *)"";
}
else {
length=(int32_t)uprv_strlen(directory);
newDataDir = (char *)uprv_malloc(length + 2);
uprv_strcpy(newDataDir, directory);
#if (U_FILE_SEP_CHAR != U_FILE_ALT_SEP_CHAR)
{
char *p;
while(p = uprv_strchr(newDataDir, U_FILE_ALT_SEP_CHAR)) {
*p = U_FILE_SEP_CHAR;
}
}
#endif
}
umtx_lock(NULL);
if (gDataDirectory && *gDataDirectory) {
uprv_free(gDataDirectory);
}
gDataDirectory = newDataDir;
ucln_common_registerCleanup(UCLN_COMMON_PUTIL, putil_cleanup);
umtx_unlock(NULL);
}
pid_t uwsgi_lock_fast_check(struct uwsgi_lock_item *uli) {
if (umtx_trylock((struct umtx *) uli->lock_ptr, (u_long) getpid())) {
umtx_unlock((struct umtx *) uli->lock_ptr, (u_long) getpid());
return 0;
}
return uli->pid;
}
double IslamicCalendar::moonAge(UDate time, UErrorCode &status)
{
double age = 0;
umtx_lock(&astroLock);
if(gIslamicCalendarAstro == NULL) {
gIslamicCalendarAstro = new CalendarAstronomer();
if (gIslamicCalendarAstro == NULL) {
status = U_MEMORY_ALLOCATION_ERROR;
return age;
}
ucln_i18n_registerCleanup(UCLN_I18N_ISLAMIC_CALENDAR, calendar_islamic_cleanup);
}
gIslamicCalendarAstro->setTime(time);
age = gIslamicCalendarAstro->getMoonAge();
umtx_unlock(&astroLock);
// Convert to degrees and normalize...
age = age * 180 / CalendarAstronomer::PI;
if (age > 180) {
age = age - 360;
}
return age;
}
static void removeLastUStringFromTable(void) {
umtx_lock(&gZoneMetaLock);
if (gUStringCount > 0) {
free(gUStringTable[--gUStringCount]);
}
umtx_unlock(&gZoneMetaLock);
}
static void
setCommonICUData(UDataMemory *pData, /* The new common data. Belongs to caller, we copy it. */
UDataMemory *oldData, /* Old ICUData ptr. Overwrite of this value is ok, */
/* of any others is not. */
UBool warn, /* If true, set USING_DEFAULT warning if ICUData was */
/* changed by another thread before we got to it. */
UErrorCode *pErr)
{
UDataMemory *newCommonData = UDataMemory_createNewInstance(pErr);
if (U_FAILURE(*pErr)) {
return;
}
/* For the assignment, other threads must cleanly see either the old */
/* or the new, not some partially initialized new. The old can not be */
/* deleted - someone may still have a pointer to it lying around in */
/* their locals. */
UDatamemory_assign(newCommonData, pData);
umtx_lock(NULL);
if (gCommonICUData==oldData) {
gStubICUData = gCommonICUData; /* remember the old Common Data, so it can be cleaned up. */
gCommonICUData = newCommonData;
ucln_common_registerCleanup(UCLN_COMMON_UDATA, udata_cleanup);
}
else {
if (warn==TRUE) {
*pErr = U_USING_DEFAULT_WARNING;
}
uprv_free(newCommonData);
}
umtx_unlock(NULL);
}
void
IslamicCalendar::initializeSystemDefaultCentury()
{
// initialize systemDefaultCentury and systemDefaultCenturyYear based
// on the current time. They'll be set to 80 years before
// the current time.
// No point in locking as it should be idempotent.
if (fgSystemDefaultCenturyStart == fgSystemDefaultCentury)
{
UErrorCode status = U_ZERO_ERROR;
IslamicCalendar calendar(Locale("@calendar=islamic-civil"),status);
if (U_SUCCESS(status))
{
calendar.setTime(Calendar::getNow(), status);
calendar.add(UCAL_YEAR, -80, status);
UDate newStart = calendar.getTime(status);
int32_t newYear = calendar.get(UCAL_YEAR, status);
{
umtx_lock(NULL);
fgSystemDefaultCenturyStart = newStart;
fgSystemDefaultCenturyStartYear = newYear;
umtx_unlock(NULL);
}
}
// We have no recourse upon failure unless we want to propagate the failure
// out.
}
}
/**
* Initialize static memory.
*/
void TransliteratorIDParser::init(UErrorCode & status)
{
if (SPECIAL_INVERSES != NULL)
{
return;
}
Hashtable * special_inverses = new Hashtable(TRUE, status);
// Null pointer check
if (special_inverses == NULL)
{
status = U_MEMORY_ALLOCATION_ERROR;
return;
}
special_inverses->setValueDeleter(uhash_deleteUnicodeString);
umtx_lock(&LOCK);
if (SPECIAL_INVERSES == NULL)
{
SPECIAL_INVERSES = special_inverses;
special_inverses = NULL;
}
umtx_unlock(&LOCK);
delete special_inverses; /*null instance*/
ucln_i18n_registerCleanup(UCLN_I18N_TRANSLITERATOR, utrans_transliterator_cleanup);
}
/**
* Return the major solar term on or after December 15 of the given
* Gregorian year, that is, the winter solstice of the given year.
* Computations are relative to Asia/Shanghai time zone.
* @param gyear a Gregorian year
* @return days after January 1, 1970 0:00 Asia/Shanghai of the
* winter solstice of the given year
*/
int32_t ChineseCalendar::winterSolstice(int32_t gyear) const {
UErrorCode status = U_ZERO_ERROR;
int32_t cacheValue = CalendarCache::get(&gChineseCalendarWinterSolsticeCache, gyear, status);
if (cacheValue == 0) {
// In books December 15 is used, but it fails for some years
// using our algorithms, e.g.: 1298 1391 1492 1553 1560. That
// is, winterSolstice(1298) starts search at Dec 14 08:00:00
// PST 1298 with a final result of Dec 14 10:31:59 PST 1299.
double ms = daysToMillis(Grego::fieldsToDay(gyear, UCAL_DECEMBER, 1));
umtx_lock(&astroLock);
if(gChineseCalendarAstro == NULL) {
gChineseCalendarAstro = new CalendarAstronomer();
ucln_i18n_registerCleanup(UCLN_I18N_CHINESE_CALENDAR, calendar_chinese_cleanup);
}
gChineseCalendarAstro->setTime(ms);
UDate solarLong = gChineseCalendarAstro->getSunTime(CalendarAstronomer::WINTER_SOLSTICE(), TRUE);
umtx_unlock(&astroLock);
// Winter solstice is 270 degrees solar longitude aka Dongzhi
cacheValue = (int32_t)millisToDays(solarLong);
CalendarCache::put(&gChineseCalendarWinterSolsticeCache, gyear, cacheValue, status);
}
if(U_FAILURE(status)) {
cacheValue = 0;
}
return cacheValue;
}
void
EthiopicCalendar::initializeSystemDefaultCentury()
{
// lazy-evaluate systemDefaultCenturyStart
UBool needsUpdate;
UMTX_CHECK(NULL, (fgSystemDefaultCenturyStart == fgSystemDefaultCentury), needsUpdate);
if (!needsUpdate) {
return;
}
UErrorCode status = U_ZERO_ERROR;
EthiopicCalendar calendar(Locale("@calendar=ethiopic"), status);
if (U_SUCCESS(status)) {
calendar.setTime(Calendar::getNow(), status);
calendar.add(UCAL_YEAR, -80, status);
UDate newStart = calendar.getTime(status);
int32_t newYear = calendar.get(UCAL_YEAR, status);
{
umtx_lock(NULL);
fgSystemDefaultCenturyStartYear = newYear;
fgSystemDefaultCenturyStart = newStart;
umtx_unlock(NULL);
}
}
// We have no recourse upon failure unless we want to propagate the failure
// out.
}
UConverter *
ucnv_createAlgorithmicConverter(UConverter *myUConverter,
UConverterType type,
const char *locale, uint32_t options,
UErrorCode *err) {
UConverter *cnv;
const UConverterSharedData *sharedData;
UBool isAlgorithmicConverter;
UTRACE_ENTRY_OC(UTRACE_UCNV_OPEN_ALGORITHMIC);
UTRACE_DATA1(UTRACE_OPEN_CLOSE, "open algorithmic converter type %d", (int32_t)type);
if(type<0 || UCNV_NUMBER_OF_SUPPORTED_CONVERTER_TYPES<=type) {
*err = U_ILLEGAL_ARGUMENT_ERROR;
UTRACE_EXIT_STATUS(U_ILLEGAL_ARGUMENT_ERROR);
return NULL;
}
sharedData = converterData[type];
umtx_lock(&cnvCacheMutex);
isAlgorithmicConverter = (UBool)(sharedData == NULL || sharedData->referenceCounter != ~0);
umtx_unlock(&cnvCacheMutex);
if (isAlgorithmicConverter) {
/* not a valid type, or not an algorithmic converter */
*err = U_ILLEGAL_ARGUMENT_ERROR;
UTRACE_EXIT_STATUS(U_ILLEGAL_ARGUMENT_ERROR);
return NULL;
}
cnv = ucnv_createConverterFromSharedData(myUConverter, (UConverterSharedData *)sharedData, "",
locale != NULL ? locale : "", options, err);
UTRACE_EXIT_PTR_STATUS(cnv, *err);
return cnv;
}
void
TaiwanCalendar::initializeSystemDefaultCentury()
{
// initialize systemDefaultCentury and systemDefaultCenturyYear based
// on the current time. They'll be set to 80 years before
// the current time.
UErrorCode status = U_ZERO_ERROR;
TaiwanCalendar calendar(Locale("@calendar=roc"),status);
if (U_SUCCESS(status))
{
calendar.setTime(Calendar::getNow(), status);
calendar.add(UCAL_YEAR, -80, status);
UDate newStart = calendar.getTime(status);
int32_t newYear = calendar.get(UCAL_YEAR, status);
umtx_lock(NULL);
if (fgSystemDefaultCenturyStart == fgSystemDefaultCentury)
{
fgSystemDefaultCenturyStartYear = newYear;
fgSystemDefaultCenturyStart = newStart;
}
umtx_unlock(NULL);
}
// We have no recourse upon failure unless we want to propagate the failure
// out.
}
U_CAPI int32_t U_EXPORT2
umtx_atomic_dec(int32_t *p) {
int32_t retVal;
if (pDecFn) {
retVal = (*pDecFn)(gIncDecContext, p);
} else {
#if !ICU_USE_THREADS
/* ICU thread support compiled out. */
retVal = --(*p);
#elif U_PLATFORM_HAS_WIN32_API
retVal = InterlockedDecrement((LONG*)p);
#elif defined(USE_MAC_OS_ATOMIC_INCREMENT)
retVal = OSAtomicDecrement32Barrier(p);
#elif (U_HAVE_GCC_ATOMICS == 1)
retVal = __sync_sub_and_fetch(p, 1);
#elif defined (POSIX)
umtx_lock(&gIncDecMutex);
retVal = --(*p);
umtx_unlock(&gIncDecMutex);
#else
/* Unknown Platform. */
retVal = --(*p);
#endif
}
return retVal;
}
CollDataCache::~CollDataCache()
{
umtx_lock(&lock);
uhash_close(cache);
cache = NULL;
umtx_unlock(&lock);
}
U_CDECL_END
void SimpleDateFormatStaticSets::initSets(UErrorCode *status)
{
SimpleDateFormatStaticSets *p;
UMTX_CHECK(NULL, gStaticSets, p);
if (p == NULL) {
p = new SimpleDateFormatStaticSets(status);
if (p == NULL) {
*status = U_MEMORY_ALLOCATION_ERROR;
return;
}
if (U_FAILURE(*status)) {
delete p;
return;
}
umtx_lock(NULL);
if (gStaticSets == NULL) {
gStaticSets = p;
p = NULL;
}
umtx_unlock(NULL);
if (p != NULL) {
delete p;
}
ucln_i18n_registerCleanup(UCLN_I18N_SMPDTFMT, smpdtfmt_cleanup);
}
}
U_CAPI UConverter* U_EXPORT2
u_getDefaultConverter(UErrorCode *status)
{
UConverter *converter = NULL;
if (gDefaultConverter != NULL) {
umtx_lock(NULL);
/* need to check to make sure it wasn't taken out from under us */
if (gDefaultConverter != NULL) {
converter = gDefaultConverter;
gDefaultConverter = NULL;
}
umtx_unlock(NULL);
}
/* if the cache was empty, create a converter */
if(converter == NULL) {
converter = ucnv_open(NULL, status);
if(U_FAILURE(*status)) {
ucnv_close(converter);
converter = NULL;
}
}
return converter;
}
/* udata_getCacheHashTable()
* Get the hash table used to store the data cache entries.
* Lazy create it if it doesn't yet exist.
*/
static UHashtable *udata_getHashTable() {
UErrorCode err = U_ZERO_ERROR;
UBool cacheIsInitialized;
UHashtable *tHT = NULL;
UMTX_CHECK(NULL, (gCommonDataCache != NULL), cacheIsInitialized);
if (cacheIsInitialized) {
return gCommonDataCache;
}
tHT = uhash_open(uhash_hashChars, uhash_compareChars, NULL, &err);
/* Check for null pointer. */
if (tHT == NULL) {
return NULL; /* TODO: Handle this error better. */
}
uhash_setValueDeleter(tHT, DataCacheElement_deleter);
umtx_lock(NULL);
if (gCommonDataCache == NULL) {
gCommonDataCache = tHT;
tHT = NULL;
ucln_common_registerCleanup(UCLN_COMMON_UDATA, udata_cleanup);
}
umtx_unlock(NULL);
if (tHT != NULL) {
uhash_close(tHT);
}
if (U_FAILURE(err)) {
return NULL; /* TODO: handle this error better. */
}
return gCommonDataCache;
}
