| /*************************************************************************** |
| * |
| * _mutex-pthread.h - definitions of classes for thread safety |
| * using POSIX threads |
| * |
| * This is an internal header file used to implement the C++ Standard |
| * Library. It should never be #included directly by a program. |
| * |
| * $Id$ |
| * |
| *************************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed |
| * with this work for additional information regarding copyright |
| * ownership. The ASF licenses this file to you under the Apache |
| * License, Version 2.0 (the "License"); you may not use this file |
| * except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| * implied. See the License for the specific language governing |
| * permissions and limitations under the License. |
| * |
| * Copyright 1994-2008 Rogue Wave Software, Inc. |
| * |
| **************************************************************************/ |
| |
| #if defined (_RWSTD_EDG_ECCP) && defined (_RWSTD_OS_LINUX) \ |
| && defined (_RWSTD_NO_LONG_LONG) |
| // disable error #450-D: the type "long long" is nonstandard |
| // when using the vanilla EDG eccp in strict mode (i.e., w/o |
| // long long support) |
| # pragma diag_suppress 450 |
| #endif // EDG eccp on Linux |
| |
| // LinuxThreads man page: |
| // "Variables of type pthread_mutex_t can also be initialized |
| // statically, using the constants PTHREAD_MUTEX_INITIALIZER |
| // (for fast mutexes), PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP |
| // (for recursive mutexes), and PTHREAD_ERRORCHECK_MUTEX_INI- |
| // TIALIZER_NP (for error checking mutexes)." |
| // ... |
| // "Attempting to initialize an already initialized mutex results |
| // in undefined behavior." |
| |
| #include <pthread.h> |
| |
| #define _RWSTD_MUTEX_INIT(mutex) pthread_mutex_init (&mutex, 0) |
| #define _RWSTD_MUTEX_DESTROY(mutex) pthread_mutex_destroy (&mutex) |
| #define _RWSTD_MUTEX_LOCK(mutex) pthread_mutex_lock (&mutex) |
| #define _RWSTD_MUTEX_UNLOCK(mutex) pthread_mutex_unlock (&mutex) |
| #define _RWSTD_MUTEX_T pthread_mutex_t |
| |
| #if defined (__GNUG__) && defined (__osf__) |
| // prevent g++ warnings about missing initializers |
| // see <pthread.h> for explanation of _PTHREAD_NOMETER_STATIC |
| # ifndef _PTHREAD_NOMETER_STATIC |
| # define _RWSTD_MUTEX_INITIALIZER \ |
| { _PTHREAD_MSTATE_SLOW, _PTHREAD_MVALID | _PTHREAD_MVF_STA, \ |
| 0, 0, 0, 0, 0, 0 } |
| # else // if defined (_PTHREAD_NOMETER_STATIC) |
| # define _RWSTD_MUTEX_INITIALIZER |
| { 0, _PTHREAD_MVALID | _PTHREAD_MVF_STA, 0, 0, 0, 0, 0, 0 } |
| # endif // _PTHREAD_NOMETER_STATIC |
| #elif defined (__GNUG__) && defined (__sgi__) |
| // prevent g++ warnings about a partly bracketed initializer |
| # define _RWSTD_MUTEX_INITIALIZER { PTHREAD_MUTEX_INITIALIZER } |
| #else |
| # define _RWSTD_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER |
| #endif |