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57 lines
1.8 KiB
57 lines
1.8 KiB
/* $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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#define _ARC4_ATFORK(f) pthread_atfork(NULL, NULL, (f)) |
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extern volatile sig_atomic_t _rs_forked; |
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__END_DECLS |
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#endif /* _THREAD_PRIVATE_H_ */
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