icuSources/io/ucln_io.cpp

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