1// © 2016 and later: Unicode, Inc. and others. 2// License & terms of use: http://www.unicode.org/copyright.html 3/* 4****************************************************************************** 5* Copyright (C) 2001-2015, International Business Machines 6* Corporation and others. All Rights Reserved. 7****************************************************************************** 8* file name: uinit.cpp 9* encoding: UTF-8 10* tab size: 8 (not used) 11* indentation:4 12* 13* created on: 2001July05 14* created by: George Rhoten 15*/ 16 17#include "unicode/utypes.h" 18#include "unicode/icuplug.h" 19#include "unicode/uclean.h" 20#include "cmemory.h" 21#include "icuplugimp.h" 22#include "ucln_cmn.h" 23#include "ucnv_io.h" 24#include "umutex.h" 25#include "utracimp.h" 26 27U_NAMESPACE_BEGIN 28 29static UInitOnce gICUInitOnce = U_INITONCE_INITIALIZER; 30 31static UBool U_CALLCONV uinit_cleanup() { 32 gICUInitOnce.reset(); 33 return TRUE; 34} 35 36static void U_CALLCONV 37initData(UErrorCode &status) 38{ 39#if UCONFIG_ENABLE_PLUGINS 40 /* initialize plugins */ 41 uplug_init(&status); 42#endif 43 44#if !UCONFIG_NO_CONVERSION 45 /* 46 * 2005-may-02 47 * 48 * ICU4C 3.4 (jitterbug 4497) hardcodes the data for Unicode character 49 * properties for APIs that want to be fast. 50 * Therefore, we need not load them here nor check for errors. 51 * Instead, we load the converter alias table to see if any ICU data 52 * is available. 53 * Users should really open the service objects they need and check 54 * for errors there, to make sure that the actual items they need are 55 * available. 56 */ 57 ucnv_io_countKnownConverters(&status); 58#endif 59 ucln_common_registerCleanup(UCLN_COMMON_UINIT, uinit_cleanup); 60} 61 62U_NAMESPACE_END 63 64U_NAMESPACE_USE 65 66/* 67 * ICU Initialization Function. Need not be called. 68 */ 69U_CAPI void U_EXPORT2 70u_init(UErrorCode *status) { 71 UTRACE_ENTRY_OC(UTRACE_U_INIT); 72 umtx_initOnce(gICUInitOnce, &initData, *status); 73 UTRACE_EXIT_STATUS(*status); 74} 75