3 * Copyright 1998-2002 The OpenLDAP Foundation, Redwood City, California, USA
6 * Redistribution and use in source and binary forms are permitted only
7 * as authorized by the OpenLDAP Public License. A copy of this
8 * license is available at http://www.OpenLDAP.org/license.html or
9 * in file LICENSE in the top-level directory of the distribution.
12 /* thr_posix.c - wrapper around posix and posixish thread implementations.
17 #if defined( HAVE_PTHREADS )
21 #include "ldap_pvt_thread.h"
25 # define LDAP_INT_THREAD_ATTR_DEFAULT pthread_attr_default
26 # define LDAP_INT_THREAD_CONDATTR_DEFAULT pthread_condattr_default
27 # define LDAP_INT_THREAD_MUTEXATTR_DEFAULT pthread_mutexattr_default
29 # define LDAP_INT_THREAD_ATTR_DEFAULT NULL
30 # define LDAP_INT_THREAD_CONDATTR_DEFAULT NULL
31 # define LDAP_INT_THREAD_MUTEXATTR_DEFAULT NULL
36 ldap_int_thread_initialize( void )
42 ldap_int_thread_destroy( void )
44 #ifdef HAVE_PTHREAD_KILL_OTHER_THREADS_NP
45 /* LinuxThreads: kill clones */
46 pthread_kill_other_threads_np();
51 #ifdef LDAP_THREAD_HAVE_SETCONCURRENCY
53 ldap_pvt_thread_set_concurrency(int n)
55 #ifdef HAVE_PTHREAD_SETCONCURRENCY
56 return pthread_setconcurrency( n );
57 #elif HAVE_THR_SETCONCURRENCY
58 return thr_setconcurrency( n );
65 #ifdef LDAP_THREAD_HAVE_GETCONCURRENCY
67 ldap_pvt_thread_get_concurrency(void)
69 #ifdef HAVE_PTHREAD_GETCONCURRENCY
70 return pthread_getconcurrency();
71 #elif HAVE_THR_GETCONCURRENCY
72 return thr_getconcurrency();
80 ldap_pvt_thread_create( ldap_pvt_thread_t * thread,
82 void *(*start_routine)( void * ),
86 #if defined( HAVE_PTHREADS_FINAL )
88 pthread_attr_init(&attr);
90 #if defined( PTHREAD_CREATE_JOINABLE ) || defined( PTHREAD_UNDETACHED )
92 #if defined( PTHREAD_CREATE_JOINABLE )
93 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
95 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_UNDETACHED);
97 #ifdef PTHREAD_CREATE_DETACHED
99 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
104 #if defined(LDAP_PVT_THREAD_STACK_SIZE) && LDAP_PVT_THREAD_STACK_SIZE > 0
105 /* this should be tunable */
106 pthread_attr_setstacksize( &attr, LDAP_PVT_THREAD_STACK_SIZE );
109 rtn = pthread_create( thread, &attr, start_routine, arg );
111 #if !defined( PTHREAD_CREATE_JOINABLE ) && !defined( PTHREAD_UNDETACHED )
113 (void) pthread_detach( *thread );
116 pthread_attr_destroy(&attr);
119 rtn = pthread_create( thread, LDAP_INT_THREAD_ATTR_DEFAULT,
120 start_routine, arg );
123 pthread_detach( thread );
131 ldap_pvt_thread_exit( void *retval )
133 pthread_exit( retval );
137 ldap_pvt_thread_join( ldap_pvt_thread_t thread, void **thread_return )
139 #if !defined( HAVE_PTHREADS_FINAL )
141 if (thread_return==NULL)
142 thread_return=&dummy;
144 return pthread_join( thread, thread_return );
148 ldap_pvt_thread_kill( ldap_pvt_thread_t thread, int signo )
150 #ifdef HAVE_PTHREAD_KILL
151 return pthread_kill( thread, signo );
153 /* pthread package with DCE */
154 if (kill( getpid(), signo )<0)
161 ldap_pvt_thread_yield( void )
163 #ifdef _POSIX_THREAD_IS_GNU_PTH
167 #elif HAVE_SCHED_YIELD
168 return sched_yield();
170 #elif HAVE_PTHREAD_YIELD
183 ldap_pvt_thread_cond_init( ldap_pvt_thread_cond_t *cond )
185 return pthread_cond_init( cond, LDAP_INT_THREAD_CONDATTR_DEFAULT );
189 ldap_pvt_thread_cond_destroy( ldap_pvt_thread_cond_t *cond )
191 return pthread_cond_destroy( cond );
195 ldap_pvt_thread_cond_signal( ldap_pvt_thread_cond_t *cond )
197 return pthread_cond_signal( cond );
201 ldap_pvt_thread_cond_broadcast( ldap_pvt_thread_cond_t *cond )
203 return pthread_cond_broadcast( cond );
207 ldap_pvt_thread_cond_wait( ldap_pvt_thread_cond_t *cond,
208 ldap_pvt_thread_mutex_t *mutex )
210 return pthread_cond_wait( cond, mutex );
214 ldap_pvt_thread_mutex_init( ldap_pvt_thread_mutex_t *mutex )
216 return pthread_mutex_init( mutex, LDAP_INT_THREAD_MUTEXATTR_DEFAULT );
220 ldap_pvt_thread_mutex_destroy( ldap_pvt_thread_mutex_t *mutex )
222 return pthread_mutex_destroy( mutex );
226 ldap_pvt_thread_mutex_lock( ldap_pvt_thread_mutex_t *mutex )
228 return pthread_mutex_lock( mutex );
232 ldap_pvt_thread_mutex_trylock( ldap_pvt_thread_mutex_t *mutex )
234 return pthread_mutex_trylock( mutex );
238 ldap_pvt_thread_mutex_unlock( ldap_pvt_thread_mutex_t *mutex )
240 return pthread_mutex_unlock( mutex );
243 #ifdef LDAP_THREAD_HAVE_RDWR
244 #ifdef HAVE_PTHREAD_RWLOCK_DESTROY
246 ldap_pvt_thread_rdwr_init( ldap_pvt_thread_rdwr_t *rw )
248 return pthread_rwlock_init( rw, NULL );
252 ldap_pvt_thread_rdwr_destroy( ldap_pvt_thread_rdwr_t *rw )
254 return pthread_rwlock_destroy( rw );
257 int ldap_pvt_thread_rdwr_rlock( ldap_pvt_thread_rdwr_t *rw )
259 return pthread_rwlock_rdlock( rw );
262 int ldap_pvt_thread_rdwr_rtrylock( ldap_pvt_thread_rdwr_t *rw )
264 return pthread_rwlock_tryrdlock( rw );
267 int ldap_pvt_thread_rdwr_runlock( ldap_pvt_thread_rdwr_t *rw )
269 return pthread_rwlock_unlock( rw );
272 int ldap_pvt_thread_rdwr_wlock( ldap_pvt_thread_rdwr_t *rw )
274 return pthread_rwlock_wrlock( rw );
277 int ldap_pvt_thread_rdwr_wtrylock( ldap_pvt_thread_rdwr_t *rw )
279 return pthread_rwlock_trywrlock( rw );
282 int ldap_pvt_thread_rdwr_wunlock( ldap_pvt_thread_rdwr_t *rw )
284 return pthread_rwlock_unlock( rw );
287 #endif /* HAVE_PTHREAD_RDLOCK_DESTROY */
288 #endif /* LDAP_THREAD_HAVE_RDWR */
289 #endif /* HAVE_PTHREADS */