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109 lines
3.1 KiB
C
109 lines
3.1 KiB
C
/*
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* global.c
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*
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* Description:
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* This translation unit instantiates data associated with the implementation
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* as a whole.
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*
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* --------------------------------------------------------------------------
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*
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* Pthreads4w - POSIX Threads for Windows
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* Copyright 1998 John E. Bossom
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* Copyright 1999-2018, Pthreads4w contributors
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*
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* Homepage: https://sourceforge.net/projects/pthreads4w/
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*
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* The current list of contributors is contained
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* in the file CONTRIBUTORS included with the source
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* code distribution. The list can also be seen at the
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* following World Wide Web location:
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*
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* https://sourceforge.net/p/pthreads4w/wiki/Contributors/
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "pthread.h"
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#include "implement.h"
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int __ptw32_processInitialized = __PTW32_FALSE;
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__ptw32_thread_t * __ptw32_threadReuseTop = __PTW32_THREAD_REUSE_EMPTY;
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__ptw32_thread_t * __ptw32_threadReuseBottom = __PTW32_THREAD_REUSE_EMPTY;
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pthread_key_t __ptw32_selfThreadKey = NULL;
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pthread_key_t __ptw32_cleanupKey = NULL;
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pthread_cond_t __ptw32_cond_list_head = NULL;
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pthread_cond_t __ptw32_cond_list_tail = NULL;
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int __ptw32_concurrency = 0;
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/* What features have been auto-detected */
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int __ptw32_features = 0;
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/*
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* Global [process wide] thread sequence Number
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*/
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unsigned __int64 __ptw32_threadSeqNumber = 0;
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/*
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* Function pointer to QueueUserAPCEx if it exists, otherwise
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* it will be set at runtime to a substitute routine which cannot unblock
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* blocked threads.
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*/
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DWORD (*__ptw32_register_cancellation) (PAPCFUNC, HANDLE, DWORD) = NULL;
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/*
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* Global lock for managing pthread_t struct reuse.
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*/
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__ptw32_mcs_lock_t __ptw32_thread_reuse_lock = 0;
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/*
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* Global lock for testing internal state of statically declared mutexes.
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*/
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__ptw32_mcs_lock_t __ptw32_mutex_test_init_lock = 0;
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/*
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* Global lock for testing internal state of PTHREAD_COND_INITIALIZER
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* created condition variables.
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*/
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__ptw32_mcs_lock_t __ptw32_cond_test_init_lock = 0;
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/*
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* Global lock for testing internal state of PTHREAD_RWLOCK_INITIALIZER
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* created read/write locks.
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*/
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__ptw32_mcs_lock_t __ptw32_rwlock_test_init_lock = 0;
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/*
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* Global lock for testing internal state of PTHREAD_SPINLOCK_INITIALIZER
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* created spin locks.
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*/
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__ptw32_mcs_lock_t __ptw32_spinlock_test_init_lock = 0;
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/*
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* Global lock for condition variable linked list. The list exists
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* to wake up CVs when a WM_TIMECHANGE message arrives. See
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* w32_TimeChangeHandler.c.
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*/
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__ptw32_mcs_lock_t __ptw32_cond_list_lock = 0;
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#if defined(_UWIN)
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/*
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* Keep a count of the number of threads.
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*/
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int pthread_count = 0;
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#endif
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