michael@0: /*
michael@0: ******************************************************************************
michael@0: * Copyright (C) 2001-2013, International Business Machines
michael@0: *                Corporation and others. All Rights Reserved.
michael@0: ******************************************************************************
michael@0: *   file name:  uinit.cpp
michael@0: *   encoding:   US-ASCII
michael@0: *   tab size:   8 (not used)
michael@0: *   indentation:4
michael@0: *
michael@0: *   created on: 2001July05
michael@0: *   created by: George Rhoten
michael@0: */
michael@0: 
michael@0: #include "unicode/utypes.h"
michael@0: #include "unicode/icuplug.h"
michael@0: #include "unicode/uclean.h"
michael@0: #include "cmemory.h"
michael@0: #include "icuplugimp.h"
michael@0: #include "ucln_cmn.h"
michael@0: #include "ucnv_io.h"
michael@0: #include "umutex.h"
michael@0: #include "utracimp.h"
michael@0: 
michael@0: U_NAMESPACE_BEGIN
michael@0: 
michael@0: static UInitOnce gICUInitOnce = U_INITONCE_INITIALIZER;
michael@0: 
michael@0: static UBool U_CALLCONV uinit_cleanup() {
michael@0:     gICUInitOnce.reset();
michael@0:     return TRUE;
michael@0: }
michael@0: 
michael@0: static void U_CALLCONV
michael@0: initData(UErrorCode &status)
michael@0: {
michael@0:     /* initialize plugins */
michael@0:     uplug_init(&status);
michael@0: 
michael@0: #if !UCONFIG_NO_CONVERSION
michael@0:     /*
michael@0:      * 2005-may-02
michael@0:      *
michael@0:      * ICU4C 3.4 (jitterbug 4497) hardcodes the data for Unicode character
michael@0:      * properties for APIs that want to be fast.
michael@0:      * Therefore, we need not load them here nor check for errors.
michael@0:      * Instead, we load the converter alias table to see if any ICU data
michael@0:      * is available.
michael@0:      * Users should really open the service objects they need and check
michael@0:      * for errors there, to make sure that the actual items they need are
michael@0:      * available.
michael@0:      */
michael@0:     ucnv_io_countKnownConverters(&status);
michael@0: #endif
michael@0:     ucln_common_registerCleanup(UCLN_COMMON_UINIT, uinit_cleanup);
michael@0: }
michael@0: 
michael@0: /*
michael@0:  * ICU Initialization Function. Need not be called.
michael@0:  */
michael@0: U_CAPI void U_EXPORT2
michael@0: u_init(UErrorCode *status) {
michael@0:     UTRACE_ENTRY_OC(UTRACE_U_INIT);
michael@0:     umtx_initOnce(gICUInitOnce, &initData, *status);
michael@0:     UTRACE_EXIT_STATUS(*status);
michael@0: }
michael@0: 
michael@0: U_NAMESPACE_END