virtualx-engine/thirdparty/icu4c/common/uinit.cpp

74 lines
1.9 KiB
C++

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
******************************************************************************
* Copyright (C) 2001-2015, International Business Machines
* Corporation and others. All Rights Reserved.
******************************************************************************
* file name: uinit.cpp
* encoding: UTF-8
* tab size: 8 (not used)
* indentation:4
*
* created on: 2001July05
* created by: George Rhoten
*/
#include "unicode/utypes.h"
#include "unicode/icuplug.h"
#include "unicode/uclean.h"
#include "cmemory.h"
#include "icuplugimp.h"
#include "ucln_cmn.h"
#include "ucnv_io.h"
#include "umutex.h"
#include "utracimp.h"
U_NAMESPACE_BEGIN
static UInitOnce gICUInitOnce = U_INITONCE_INITIALIZER;
static UBool U_CALLCONV uinit_cleanup() {
gICUInitOnce.reset();
return TRUE;
}
static void U_CALLCONV
initData(UErrorCode &status)
{
#if UCONFIG_ENABLE_PLUGINS
/* initialize plugins */
uplug_init(&status);
#endif
#if !UCONFIG_NO_CONVERSION
/*
* 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.
*/
ucnv_io_countKnownConverters(&status);
#endif
ucln_common_registerCleanup(UCLN_COMMON_UINIT, uinit_cleanup);
}
U_NAMESPACE_END
U_NAMESPACE_USE
/*
* ICU Initialization Function. Need not be called.
*/
U_CAPI void U_EXPORT2
u_init(UErrorCode *status) {
UTRACE_ENTRY_OC(UTRACE_U_INIT);
umtx_initOnce(gICUInitOnce, &initData, *status);
UTRACE_EXIT_STATUS(*status);
}