thread_private.h revision 0468feb28696751efcddada8de69a622afffdba8
1/* $OpenBSD: thread_private.h,v 1.18 2006/02/22 07:16:31 otto Exp $ */ 2 3/* PUBLIC DOMAIN: No Rights Reserved. Marco S Hyman <marc@snafu.org> */ 4 5#ifndef _THREAD_PRIVATE_H_ 6#define _THREAD_PRIVATE_H_ 7 8#include <pthread.h> 9 10__BEGIN_DECLS 11 12/* 13 * This file defines the thread library interface to libc. Thread 14 * libraries must implement the functions described here for proper 15 * inter-operation with libc. libc contains weak versions of the 16 * described functions for operation in a non-threaded environment. 17 */ 18 19/* 20 * helper macro to make unique names in the thread namespace 21 */ 22#define __THREAD_NAME(name) __CONCAT(_thread_tagname_,name) 23 24struct __thread_private_tag_t { 25 pthread_mutex_t _private_lock; 26 pthread_key_t _private_key; 27}; 28 29#define _THREAD_PRIVATE_MUTEX(name) \ 30 static struct __thread_private_tag_t __THREAD_NAME(name) = { PTHREAD_MUTEX_INITIALIZER, -1 } 31#define _THREAD_PRIVATE_MUTEX_LOCK(name) \ 32 pthread_mutex_lock( &__THREAD_NAME(name)._private_lock ) 33#define _THREAD_PRIVATE_MUTEX_UNLOCK(name) \ 34 pthread_mutex_unlock( &__THREAD_NAME(name)._private_lock ) 35 36__LIBC_HIDDEN__ void _thread_atexit_lock(void); 37__LIBC_HIDDEN__ void _thread_atexit_unlock(void); 38 39#define _ATEXIT_LOCK() _thread_atexit_lock() 40#define _ATEXIT_UNLOCK() _thread_atexit_unlock() 41 42__LIBC_HIDDEN__ void _thread_arc4_lock(void); 43__LIBC_HIDDEN__ void _thread_arc4_unlock(void); 44 45#define _ARC4_LOCK() _thread_arc4_lock() 46#define _ARC4_UNLOCK() _thread_arc4_unlock() 47 48__END_DECLS 49 50#endif /* _THREAD_PRIVATE_H_ */ 51