Check in the pristine copy of ICU 4.6...

icu46/source/common/ucln_cmn.c

+/*
+******************************************************************************
+* Copyright (C) 2001-2010, International Business Machines
+*                Corporation and others. All Rights Reserved.
+******************************************************************************
+*   file name:  ucln_cmn.c
+*   encoding:   US-ASCII
+*   tab size:   8 (not used)
+*   indentation:4
+*
+*   created on: 2001July05
+*   created by: George Rhoten
+*/
+
+#include "unicode/utypes.h"
+#include "unicode/uclean.h"
+#include "utracimp.h"
+#include "ustr_imp.h"
+#include "ucln_cmn.h"
+#include "umutex.h"
+#include "ucln.h"
+#include "cmemory.h"
+#include "uassert.h"
+
+/**  Auto-client for UCLN_COMMON **/
+#define UCLN_TYPE UCLN_COMMON
+#include "ucln_imp.h"
+
+static cleanupFunc *gCommonCleanupFunctions[UCLN_COMMON_COUNT];
+static cleanupFunc *gLibCleanupFunctions[UCLN_COMMON];
+
+
+/* Enables debugging information about when a library is cleaned up. */
+#ifndef UCLN_DEBUG_CLEANUP
+#define UCLN_DEBUG_CLEANUP 0
+#endif
+
+
+#if defined(UCLN_DEBUG_CLEANUP)
+#include <stdio.h>
+#endif
+
+static void ucln_cleanup_internal(ECleanupLibraryType libType) 
+{
+    if (gLibCleanupFunctions[libType])
+    {
+        gLibCleanupFunctions[libType]();
+        gLibCleanupFunctions[libType] = NULL;
+    }
+}
+
+U_CAPI void U_EXPORT2 ucln_cleanupOne(ECleanupLibraryType libType)
+{
+    if(libType==UCLN_COMMON) {
+#if UCLN_DEBUG_CLEANUP
+        fprintf(stderr, "Cleaning up: UCLN_COMMON with u_cleanup, type %d\n", (int)libType);
+#endif
+        u_cleanup();
+    } else {
+#if UCLN_DEBUG_CLEANUP
+        fprintf(stderr, "Cleaning up: using ucln_cleanup_internal, type %d\n", (int)libType);
+#endif
+        ucln_cleanup_internal(libType);
+    }
+}
+
+
+U_CFUNC void
+ucln_common_registerCleanup(ECleanupCommonType type,
+                            cleanupFunc *func)
+{
+    U_ASSERT(UCLN_COMMON_START < type && type < UCLN_COMMON_COUNT);
+    if (UCLN_COMMON_START < type && type < UCLN_COMMON_COUNT)
+    {
+        gCommonCleanupFunctions[type] = func;
+    }
+#if !UCLN_NO_AUTO_CLEANUP && (defined(UCLN_AUTO_ATEXIT) || defined(UCLN_AUTO_LOCAL))
+    ucln_registerAutomaticCleanup();
+#endif
+}
+
+U_CAPI void U_EXPORT2
+ucln_registerCleanup(ECleanupLibraryType type,
+                     cleanupFunc *func)
+{
+    U_ASSERT(UCLN_START < type && type < UCLN_COMMON);
+    if (UCLN_START < type && type < UCLN_COMMON)
+    {
+        gLibCleanupFunctions[type] = func;
+    }
+}
+
+U_CFUNC UBool ucln_lib_cleanup(void) {
+    ECleanupLibraryType libType = UCLN_START;
+    ECleanupCommonType commonFunc = UCLN_COMMON_START;
+
+    for (libType++; libType<UCLN_COMMON; libType++) {
+        ucln_cleanup_internal(libType);
+    }
+
+    for (commonFunc++; commonFunc<UCLN_COMMON_COUNT; commonFunc++) {
+        if (gCommonCleanupFunctions[commonFunc])
+        {
+            gCommonCleanupFunctions[commonFunc]();
+            gCommonCleanupFunctions[commonFunc] = NULL;
+        }
+    }
+#if !UCLN_NO_AUTO_CLEANUP && (defined(UCLN_AUTO_ATEXIT) || defined(UCLN_AUTO_LOCAL))
+    ucln_unRegisterAutomaticCleanup();
+#endif
+    return TRUE;
+}