3 * Copyright 1998-2000 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_PVT_THREAD_ATTR_DEFAULT pthread_attr_default
26 # define LDAP_PVT_THREAD_CONDATTR_DEFAULT pthread_condattr_default
27 # define LDAP_PVT_THREAD_MUTEXATTR_DEFAULT pthread_mutexattr_default
29 # define LDAP_PVT_THREAD_ATTR_DEFAULT NULL
30 # define LDAP_PVT_THREAD_CONDATTR_DEFAULT NULL
31 # define LDAP_PVT_THREAD_MUTEXATTR_DEFAULT NULL
36 ldap_pvt_thread_initialize( void )
38 #if defined( LDAP_THREAD_CONCURRENCY ) && HAVE_PTHREAD_SETCONCURRENCY
39 ldap_pvt_thread_set_concurrency( LDAP_THREAD_CONCURRENCY );
45 ldap_pvt_thread_destroy( void )
50 #ifdef HAVE_PTHREAD_SETCONCURRENCY
52 ldap_pvt_thread_set_concurrency(int n)
54 #ifdef HAVE_PTHREAD_SETCONCURRENCY
55 return pthread_setconcurrency( n );
56 #elif HAVE_THR_SETCONCURRENCY
57 return pthread_setconcurrency( n );
64 #ifdef HAVE_PTHREAD_GETCONCURRENCY
66 ldap_pvt_thread_get_concurrency(void)
68 #ifdef HAVE_PTHREAD_GETCONCURRENCY
69 return pthread_getconcurrency();
70 #elif HAVE_THR_GETCONCURRENCY
71 return pthread_getconcurrency();
79 ldap_pvt_thread_create( ldap_pvt_thread_t * thread,
81 void *(*start_routine)( void * ),
85 #if defined(HAVE_PTHREADS_FINAL) && defined(PTHREAD_CREATE_UNDETACHED)
88 pthread_attr_init(&attr);
90 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_UNDETACHED);
92 rtn = pthread_create( thread, &attr, start_routine, arg );
94 rtn = pthread_create( thread, LDAP_PVT_THREAD_ATTR_DEFAULT,
99 #ifdef HAVE_PTHREADS_FINAL
100 pthread_detach( *thread );
102 pthread_detach( thread );
109 ldap_pvt_thread_exit( void *retval )
111 pthread_exit( retval );
115 ldap_pvt_thread_join( ldap_pvt_thread_t thread, void **thread_return )
117 #if !defined( HAVE_PTHREADS_FINAL )
119 if (thread_return==NULL)
120 thread_return=&dummy;
122 return pthread_join( thread, thread_return );
126 ldap_pvt_thread_kill( ldap_pvt_thread_t thread, int signo )
128 #ifdef HAVE_PTHREAD_KILL
129 return pthread_kill( thread, signo );
131 /* pthread package with DCE */
132 if (kill( getpid(), signo )<0)
139 ldap_pvt_thread_yield( void )
141 #ifdef _POSIX_THREAD_IS_GNU_PTH
145 #elif HAVE_SCHED_YIELD
146 return sched_yield();
148 #elif HAVE_PTHREAD_YIELD
161 ldap_pvt_thread_cond_init( ldap_pvt_thread_cond_t *cond )
163 return pthread_cond_init( cond, LDAP_PVT_THREAD_CONDATTR_DEFAULT );
167 ldap_pvt_thread_cond_destroy( ldap_pvt_thread_cond_t *cond )
169 return pthread_cond_destroy( cond );
173 ldap_pvt_thread_cond_signal( ldap_pvt_thread_cond_t *cond )
175 return pthread_cond_signal( cond );
179 ldap_pvt_thread_cond_broadcast( ldap_pvt_thread_cond_t *cond )
181 return pthread_cond_broadcast( cond );
185 ldap_pvt_thread_cond_wait( ldap_pvt_thread_cond_t *cond,
186 ldap_pvt_thread_mutex_t *mutex )
188 return pthread_cond_wait( cond, mutex );
192 ldap_pvt_thread_mutex_init( ldap_pvt_thread_mutex_t *mutex )
194 return pthread_mutex_init( mutex, LDAP_PVT_THREAD_MUTEXATTR_DEFAULT );
198 ldap_pvt_thread_mutex_destroy( ldap_pvt_thread_mutex_t *mutex )
200 return pthread_mutex_destroy( mutex );
204 ldap_pvt_thread_mutex_lock( ldap_pvt_thread_mutex_t *mutex )
206 return pthread_mutex_lock( mutex );
210 ldap_pvt_thread_mutex_trylock( ldap_pvt_thread_mutex_t *mutex )
212 return pthread_mutex_trylock( mutex );
216 ldap_pvt_thread_mutex_unlock( ldap_pvt_thread_mutex_t *mutex )
218 return pthread_mutex_unlock( mutex );
221 #endif /* HAVE_PTHREADS */