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