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1 /* | |
2 ****************************************************************************** | |
3 * Copyright (C) 2001-2013, International Business Machines | |
4 * Corporation and others. All Rights Reserved. | |
5 ****************************************************************************** | |
6 * file name: ucln_cmn.c | |
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/uclean.h" | |
17 #include "utracimp.h" | |
18 #include "ucln_cmn.h" | |
19 #include "cmutex.h" | |
20 #include "ucln.h" | |
21 #include "cmemory.h" | |
22 #include "uassert.h" | |
23 | |
24 /** Auto-client for UCLN_COMMON **/ | |
25 #define UCLN_TYPE_IS_COMMON | |
26 #include "ucln_imp.h" | |
27 | |
28 static cleanupFunc *gCommonCleanupFunctions[UCLN_COMMON_COUNT]; | |
29 static cleanupFunc *gLibCleanupFunctions[UCLN_COMMON]; | |
30 | |
31 | |
32 /************************************************ | |
33 The cleanup order is important in this function. | |
34 Please be sure that you have read ucln.h | |
35 ************************************************/ | |
36 U_CAPI void U_EXPORT2 | |
37 u_cleanup(void) | |
38 { | |
39 UTRACE_ENTRY_OC(UTRACE_U_CLEANUP); | |
40 umtx_lock(NULL); /* Force a memory barrier, so that we are sure to see
*/ | |
41 umtx_unlock(NULL); /* all state left around by any other threads.
*/ | |
42 | |
43 ucln_lib_cleanup(); | |
44 | |
45 cmemory_cleanup(); /* undo any heap functions set by u_setMemoryFuncti
ons(). */ | |
46 UTRACE_EXIT(); /* Must be before utrace_cleanup(), which turns off
tracing. */ | |
47 /*#if U_ENABLE_TRACING*/ | |
48 utrace_cleanup(); | |
49 /*#endif*/ | |
50 } | |
51 | |
52 U_CAPI void U_EXPORT2 ucln_cleanupOne(ECleanupLibraryType libType) | |
53 { | |
54 if (gLibCleanupFunctions[libType]) | |
55 { | |
56 gLibCleanupFunctions[libType](); | |
57 gLibCleanupFunctions[libType] = NULL; | |
58 } | |
59 } | |
60 | |
61 U_CFUNC void | |
62 ucln_common_registerCleanup(ECleanupCommonType type, | |
63 cleanupFunc *func) | |
64 { | |
65 U_ASSERT(UCLN_COMMON_START < type && type < UCLN_COMMON_COUNT); | |
66 if (UCLN_COMMON_START < type && type < UCLN_COMMON_COUNT) | |
67 { | |
68 gCommonCleanupFunctions[type] = func; | |
69 } | |
70 #if !UCLN_NO_AUTO_CLEANUP && (defined(UCLN_AUTO_ATEXIT) || defined(UCLN_AUTO_LOC
AL)) | |
71 ucln_registerAutomaticCleanup(); | |
72 #endif | |
73 } | |
74 | |
75 U_CAPI void U_EXPORT2 | |
76 ucln_registerCleanup(ECleanupLibraryType type, | |
77 cleanupFunc *func) | |
78 { | |
79 U_ASSERT(UCLN_START < type && type < UCLN_COMMON); | |
80 if (UCLN_START < type && type < UCLN_COMMON) | |
81 { | |
82 gLibCleanupFunctions[type] = func; | |
83 } | |
84 } | |
85 | |
86 U_CFUNC UBool ucln_lib_cleanup(void) { | |
87 ECleanupLibraryType libType = UCLN_START; | |
88 ECleanupCommonType commonFunc = UCLN_COMMON_START; | |
89 | |
90 for (libType++; libType<UCLN_COMMON; libType++) { | |
91 ucln_cleanupOne(libType); | |
92 } | |
93 | |
94 for (commonFunc++; commonFunc<UCLN_COMMON_COUNT; commonFunc++) { | |
95 if (gCommonCleanupFunctions[commonFunc]) | |
96 { | |
97 gCommonCleanupFunctions[commonFunc](); | |
98 gCommonCleanupFunctions[commonFunc] = NULL; | |
99 } | |
100 } | |
101 #if !UCLN_NO_AUTO_CLEANUP && (defined(UCLN_AUTO_ATEXIT) || defined(UCLN_AUTO_LOC
AL)) | |
102 ucln_unRegisterAutomaticCleanup(); | |
103 #endif | |
104 return TRUE; | |
105 } | |
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