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 27 U_NAMESPACE_BEGIN 28 29 static UInitOnce gICUInitOnce = U_INITONCE_INITIALIZER; 30 uinit_cleanup()31static UBool U_CALLCONV uinit_cleanup() { 32 gICUInitOnce.reset(); 33 return TRUE; 34 } 35 36 static void U_CALLCONV initData(UErrorCode & status)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 62 U_NAMESPACE_END 63 64 U_NAMESPACE_USE 65 66 /* 67 * ICU Initialization Function. Need not be called. 68 */ 69 U_CAPI void U_EXPORT2 u_init(UErrorCode * status)70u_init(UErrorCode *status) { 71 UTRACE_ENTRY_OC(UTRACE_U_INIT); 72 umtx_initOnce(gICUInitOnce, &initData, *status); 73 UTRACE_EXIT_STATUS(*status); 74 } 75