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);
100 #elif HAVE_PTHREADS_OS390
103 pthread_attr_setdetachstate(&attr, &st);
108 #if defined(LDAP_PVT_THREAD_STACK_SIZE) && LDAP_PVT_THREAD_STACK_SIZE > 0
109 /* this should be tunable */
110 pthread_attr_setstacksize( &attr, LDAP_PVT_THREAD_STACK_SIZE );
113 rtn = pthread_create( thread, &attr, start_routine, arg );
114 #ifdef HAVE_PTHREADS_OS390
115 if ( rtn == -1 ) rtn = errno;
118 #if !defined( PTHREAD_CREATE_JOINABLE ) && !defined( PTHREAD_UNDETACHED )
120 #ifdef HAVE_PTHREADS_OS390
121 (void) pthread_detach( thread );
123 (void) pthread_detach( *thread );
127 pthread_attr_destroy(&attr);
130 rtn = pthread_create( thread, LDAP_INT_THREAD_ATTR_DEFAULT,
131 start_routine, arg );
134 pthread_detach( thread );
142 ldap_pvt_thread_exit( void *retval )
144 pthread_exit( retval );
148 ldap_pvt_thread_join( ldap_pvt_thread_t thread, void **thread_return )
150 #if !defined( HAVE_PTHREADS_FINAL )
152 if (thread_return==NULL)
153 thread_return=&dummy;
155 #ifdef HAVE_PTHREADS_OS390
156 int st = pthread_join( thread, thread_return );
157 if ( st == -1 ) st = errno;
160 return pthread_join( thread, thread_return );
165 ldap_pvt_thread_kill( ldap_pvt_thread_t thread, int signo )
167 #ifdef HAVE_PTHREAD_KILL
168 #ifdef HAVE_PTHREADS_OS390
169 int st = pthread_kill( thread, signo );
170 if ( st == -1 ) st = errno;
173 return pthread_kill( thread, signo );
176 /* pthread package with DCE */
177 if (kill( getpid(), signo )<0)
184 ldap_pvt_thread_yield( void )
186 #ifdef _POSIX_THREAD_IS_GNU_PTH
190 #elif HAVE_SCHED_YIELD
191 return sched_yield();
193 #elif HAVE_PTHREAD_YIELD
194 #if HAVE_PTHREADS_OS390
210 ldap_pvt_thread_cond_init( ldap_pvt_thread_cond_t *cond )
212 return pthread_cond_init( cond, LDAP_INT_THREAD_CONDATTR_DEFAULT );
216 ldap_pvt_thread_cond_destroy( ldap_pvt_thread_cond_t *cond )
218 return pthread_cond_destroy( cond );
222 ldap_pvt_thread_cond_signal( ldap_pvt_thread_cond_t *cond )
224 return pthread_cond_signal( cond );
228 ldap_pvt_thread_cond_broadcast( ldap_pvt_thread_cond_t *cond )
230 return pthread_cond_broadcast( cond );
234 ldap_pvt_thread_cond_wait( ldap_pvt_thread_cond_t *cond,
235 ldap_pvt_thread_mutex_t *mutex )
237 return pthread_cond_wait( cond, mutex );
241 ldap_pvt_thread_mutex_init( ldap_pvt_thread_mutex_t *mutex )
243 return pthread_mutex_init( mutex, LDAP_INT_THREAD_MUTEXATTR_DEFAULT );
247 ldap_pvt_thread_mutex_destroy( ldap_pvt_thread_mutex_t *mutex )
249 return pthread_mutex_destroy( mutex );
253 ldap_pvt_thread_mutex_lock( ldap_pvt_thread_mutex_t *mutex )
255 return pthread_mutex_lock( mutex );
259 ldap_pvt_thread_mutex_trylock( ldap_pvt_thread_mutex_t *mutex )
261 return pthread_mutex_trylock( mutex );
265 ldap_pvt_thread_mutex_unlock( ldap_pvt_thread_mutex_t *mutex )
267 return pthread_mutex_unlock( mutex );
270 #ifdef LDAP_THREAD_HAVE_RDWR
271 #ifdef HAVE_PTHREAD_RWLOCK_DESTROY
273 ldap_pvt_thread_rdwr_init( ldap_pvt_thread_rdwr_t *rw )
275 return pthread_rwlock_init( rw, NULL );
279 ldap_pvt_thread_rdwr_destroy( ldap_pvt_thread_rdwr_t *rw )
281 return pthread_rwlock_destroy( rw );
284 int ldap_pvt_thread_rdwr_rlock( ldap_pvt_thread_rdwr_t *rw )
286 return pthread_rwlock_rdlock( rw );
289 int ldap_pvt_thread_rdwr_rtrylock( ldap_pvt_thread_rdwr_t *rw )
291 return pthread_rwlock_tryrdlock( rw );
294 int ldap_pvt_thread_rdwr_runlock( ldap_pvt_thread_rdwr_t *rw )
296 return pthread_rwlock_unlock( rw );
299 int ldap_pvt_thread_rdwr_wlock( ldap_pvt_thread_rdwr_t *rw )
301 return pthread_rwlock_wrlock( rw );
304 int ldap_pvt_thread_rdwr_wtrylock( ldap_pvt_thread_rdwr_t *rw )
306 return pthread_rwlock_trywrlock( rw );
309 int ldap_pvt_thread_rdwr_wunlock( ldap_pvt_thread_rdwr_t *rw )
311 return pthread_rwlock_unlock( rw );
314 #endif /* HAVE_PTHREAD_RDLOCK_DESTROY */
315 #endif /* LDAP_THREAD_HAVE_RDWR */
316 #endif /* HAVE_PTHREADS */