Line data    Source code

       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             : 
      31           0 : static UBool U_CALLCONV uinit_cleanup() {
      32           0 :     gICUInitOnce.reset();
      33           0 :     return TRUE;
      34             : }
      35             : 
      36             : static void U_CALLCONV
      37           3 : initData(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           3 :     ucnv_io_countKnownConverters(&status);
      58             : #endif
      59           3 :     ucln_common_registerCleanup(UCLN_COMMON_UINIT, uinit_cleanup);
      60           3 : }
      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
      70           3 : u_init(UErrorCode *status) {
      71             :     UTRACE_ENTRY_OC(UTRACE_U_INIT);
      72           3 :     umtx_initOnce(gICUInitOnce, &initData, *status);
      73             :     UTRACE_EXIT_STATUS(*status);
      74           3 : }