]> git.saurik.com Git - apple/icu.git/blob - icuSources/common/uinit.cpp
ICU-64252.0.1.tar.gz
[apple/icu.git] / icuSources / common / uinit.cpp
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 static UBool U_CALLCONV uinit_cleanup() {
32 gICUInitOnce.reset();
33 return TRUE;
34 }
35
36 static void U_CALLCONV
37 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 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
70 u_init(UErrorCode *status) {
71 UTRACE_ENTRY_OC(UTRACE_U_INIT);
72 umtx_initOnce(gICUInitOnce, &initData, *status);
73 UTRACE_EXIT_STATUS(*status);
74 }