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 (at) snafu.org> */ 4 5 #pragma once 6 7 #include <pthread.h> 8 9 __BEGIN_DECLS 10 11 /* 12 * This file defines the thread library interface to libc. Thread 13 * libraries must implement the functions described here for proper 14 * inter-operation with libc. libc contains weak versions of the 15 * described functions for operation in a non-threaded environment. 16 */ 17 18 #define __MUTEX_NAME(name) __CONCAT(__libc_mutex_,name) 19 #define _THREAD_PRIVATE_MUTEX(name) static pthread_mutex_t __MUTEX_NAME(name) = PTHREAD_MUTEX_INITIALIZER 20 #define _THREAD_PRIVATE_MUTEX_LOCK(name) pthread_mutex_lock(&__MUTEX_NAME(name)) 21 #define _THREAD_PRIVATE_MUTEX_UNLOCK(name) pthread_mutex_unlock(&__MUTEX_NAME(name)) 22 23 /* Note that these aren't compatible with the usual OpenBSD ones which lazy-initialize! */ 24 #define _MUTEX_LOCK(l) pthread_mutex_lock((pthread_mutex_t*) l) 25 #define _MUTEX_UNLOCK(l) pthread_mutex_unlock((pthread_mutex_t*) l) 26 27 __LIBC_HIDDEN__ void _thread_arc4_lock(void); 28 __LIBC_HIDDEN__ void _thread_arc4_unlock(void); 29 30 #define _ARC4_LOCK() _thread_arc4_lock() 31 #define _ARC4_UNLOCK() _thread_arc4_unlock() 32 #define _ARC4_ATFORK(f) pthread_atfork(NULL, NULL, (f)) 33 34 extern volatile sig_atomic_t _rs_forked; 35 36 __END_DECLS 37
