1 // Copyright (C) 2016 and later: Unicode, Inc. and others. 2 // License & terms of use: http://www.unicode.org/copyright.html 3 /* 4 ****************************************************************************** 5 * * 6 * Copyright (C) 2001-2014, International Business Machines * 7 * Corporation and others. All Rights Reserved. * 8 * * 9 ****************************************************************************** 10 * file name: ucln_io.cpp 11 * encoding: US-ASCII 12 * tab size: 8 (not used) 13 * indentation:4 14 * 15 * created on: 2006August11 16 * created by: George Rhoten 17 */ 18 19 #include "mutex.h" 20 #include "ucln.h" 21 #include "ucln_io.h" 22 #include "uassert.h" 23 24 #ifndef U_IO_IMPLEMENTATION 25 #error U_IO_IMPLEMENTATION not set - must be set for all ICU source files in io/ - see http://userguide.icu-project.org/howtouseicu 26 #endif 27 28 29 /** Auto-client */ 30 #define UCLN_TYPE UCLN_IO 31 #include "ucln_imp.h" 32 33 /* Leave this copyright notice here! It needs to go somewhere in this library. */ 34 static const char copyright[] = U_COPYRIGHT_STRING; 35 36 static cleanupFunc *gCleanupFunctions[UCLN_IO_COUNT]; 37 38 static UBool U_CALLCONV io_cleanup(void) 39 { 40 int32_t libType = UCLN_IO_START; 41 42 (void)copyright; // Suppress unused variable warning. 43 while (++libType<UCLN_IO_COUNT) { 44 if (gCleanupFunctions[libType]) 45 { 46 gCleanupFunctions[libType](); 47 gCleanupFunctions[libType] = NULL; 48 } 49 } 50 #if !UCLN_NO_AUTO_CLEANUP && (defined(UCLN_AUTO_ATEXIT) || defined(UCLN_AUTO_LOCAL)) 51 ucln_unRegisterAutomaticCleanup(); 52 #endif 53 return TRUE; 54 } 55 56 void ucln_io_registerCleanup(ECleanupIOType type, 57 cleanupFunc *func) { 58 U_ASSERT(UCLN_IO_START < type && type < UCLN_IO_COUNT); 59 { 60 icu::Mutex m; // See ticket 10295 for discussion. 61 ucln_registerCleanup(UCLN_IO, io_cleanup); 62 if (UCLN_IO_START < type && type < UCLN_IO_COUNT) { 63 gCleanupFunctions[type] = func; 64 } 65 } 66 67 #if !UCLN_NO_AUTO_CLEANUP && (defined(UCLN_AUTO_ATEXIT) || defined(UCLN_AUTO_LOCAL)) 68 ucln_registerAutomaticCleanup(); 69 #endif 70 } 71 72