55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/* $OpenBSD: thread_private.h,v 1.18 2006/02/22 07:16:31 otto Exp $ */
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/* PUBLIC DOMAIN: No Rights Reserved. Marco S Hyman <marc@snafu.org> */
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#ifndef _THREAD_PRIVATE_H_
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#define _THREAD_PRIVATE_H_
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#include <pthread.h>
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__BEGIN_DECLS
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/*
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* This file defines the thread library interface to libc. Thread
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* libraries must implement the functions described here for proper
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* inter-operation with libc. libc contains weak versions of the
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* described functions for operation in a non-threaded environment.
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*/
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/*
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* helper macro to make unique names in the thread namespace
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*/
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#define __THREAD_NAME(name) __CONCAT(_thread_tagname_,name)
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struct __thread_private_tag_t {
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pthread_mutex_t _private_lock;
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pthread_key_t _private_key;
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};
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#define _THREAD_PRIVATE_MUTEX(name) \
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static struct __thread_private_tag_t __THREAD_NAME(name) = { PTHREAD_MUTEX_INITIALIZER, -1 }
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#define _THREAD_PRIVATE_MUTEX_LOCK(name) \
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pthread_mutex_lock( &__THREAD_NAME(name)._private_lock )
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#define _THREAD_PRIVATE_MUTEX_UNLOCK(name) \
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pthread_mutex_unlock( &__THREAD_NAME(name)._private_lock )
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/* Note that these aren't compatible with the usual OpenBSD ones which lazy-initialize! */
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#define _MUTEX_LOCK(l) pthread_mutex_lock((pthread_mutex_t*) l)
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#define _MUTEX_UNLOCK(l) pthread_mutex_unlock((pthread_mutex_t*) l)
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__LIBC_HIDDEN__ void _thread_atexit_lock(void);
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__LIBC_HIDDEN__ void _thread_atexit_unlock(void);
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#define _ATEXIT_LOCK() _thread_atexit_lock()
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#define _ATEXIT_UNLOCK() _thread_atexit_unlock()
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__LIBC_HIDDEN__ void _thread_arc4_lock(void);
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__LIBC_HIDDEN__ void _thread_arc4_unlock(void);
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#define _ARC4_LOCK() _thread_arc4_lock()
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#define _ARC4_UNLOCK() _thread_arc4_unlock()
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__END_DECLS
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#endif /* _THREAD_PRIVATE_H_ */
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