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https://git.openldap.org/openldap/openldap.git
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194 lines
4.0 KiB
C
194 lines
4.0 KiB
C
/* $OpenLDAP$ */
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/*
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* Copyright 1998-2003 The OpenLDAP Foundation, Redwood City, California, USA
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted only
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* as authorized by the OpenLDAP Public License. A copy of this
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* license is available at http://www.OpenLDAP.org/license.html or
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* in file LICENSE in the top-level directory of the distribution.
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*/
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/* thr_pth.c - wrappers around GNU Pth */
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#include "portable.h"
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#if defined( HAVE_GNU_PTH )
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#include "ldap_pvt_thread.h"
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#include <errno.h>
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/*******************
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* *
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* GNU Pth Threads *
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* *
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*******************/
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static pth_attr_t detach_attr;
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static pth_attr_t joined_attr;
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int
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ldap_int_thread_initialize( void )
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{
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if( !pth_init() ) {
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return -1;
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}
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detach_attr = pth_attr_new();
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joined_attr = pth_attr_new();
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#if LDAP_PVT_THREAD_STACK_SIZE
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pth_attr_set( joined_attr, PTH_ATTR_STACK_SIZE, LDAP_PVT_THREAD_STACK_SIZE );
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pth_attr_set( detach_attr, PTH_ATTR_STACK_SIZE, LDAP_PVT_THREAD_STACK_SIZE );
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#endif
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return pth_attr_set( detach_attr, PTH_ATTR_JOINABLE, FALSE );
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}
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int
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ldap_int_thread_destroy( void )
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{
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pth_attr_destroy(detach_attr);
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pth_kill();
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return 0;
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}
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int
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ldap_pvt_thread_create( ldap_pvt_thread_t * thread,
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int detach,
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void *(*start_routine)( void *),
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void *arg)
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{
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*thread = pth_spawn( detach ? detach_attr : joined_attr,
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start_routine, arg );
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return *thread == NULL ? errno : 0;
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}
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void
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ldap_pvt_thread_exit( void *retval )
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{
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pth_exit( retval );
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}
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int ldap_pvt_thread_join( ldap_pvt_thread_t thread, void **thread_return )
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{
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return pth_join( thread, thread_return ) ? 0 : errno;
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}
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int
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ldap_pvt_thread_kill( ldap_pvt_thread_t thread, int signo )
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{
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return pth_raise( thread, signo ) ? 0 : errno;
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}
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int
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ldap_pvt_thread_yield( void )
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{
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return pth_yield(NULL) ? 0 : errno;
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}
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int
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ldap_pvt_thread_cond_init( ldap_pvt_thread_cond_t *cond )
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{
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return( pth_cond_init( cond ) ? 0 : errno );
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}
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int
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ldap_pvt_thread_cond_signal( ldap_pvt_thread_cond_t *cond )
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{
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return( pth_cond_notify( cond, 0 ) ? 0 : errno );
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}
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int
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ldap_pvt_thread_cond_broadcast( ldap_pvt_thread_cond_t *cond )
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{
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return( pth_cond_notify( cond, 1 ) ? 0 : errno );
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}
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int
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ldap_pvt_thread_cond_wait( ldap_pvt_thread_cond_t *cond,
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ldap_pvt_thread_mutex_t *mutex )
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{
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return( pth_cond_await( cond, mutex, NULL ) ? 0 : errno );
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}
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int
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ldap_pvt_thread_cond_destroy( ldap_pvt_thread_cond_t *cv )
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{
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return 0;
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}
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int
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ldap_pvt_thread_mutex_init( ldap_pvt_thread_mutex_t *mutex )
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{
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return( pth_mutex_init( mutex ) ? 0 : errno );
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}
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int
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ldap_pvt_thread_mutex_destroy( ldap_pvt_thread_mutex_t *mutex )
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{
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return 0;
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}
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int
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ldap_pvt_thread_mutex_lock( ldap_pvt_thread_mutex_t *mutex )
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{
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return( pth_mutex_acquire( mutex, 0, NULL ) ? 0 : errno );
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}
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int
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ldap_pvt_thread_mutex_unlock( ldap_pvt_thread_mutex_t *mutex )
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{
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return( pth_mutex_release( mutex ) ? 0 : errno );
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}
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int
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ldap_pvt_thread_mutex_trylock( ldap_pvt_thread_mutex_t *mutex )
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{
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return( pth_mutex_acquire( mutex, 1, NULL ) ? 0 : errno );
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}
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#ifdef LDAP_THREAD_HAVE_RDWR
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int
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ldap_pvt_thread_rdwr_init( ldap_pvt_thread_rdwr_t *rw )
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{
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return pth_rwlock_init( rw ) ? 0 : errno;
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}
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int
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ldap_pvt_thread_rdwr_destroy( ldap_pvt_thread_rdwr_t *rw )
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{
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return 0;
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}
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int ldap_pvt_thread_rdwr_rlock( ldap_pvt_thread_rdwr_t *rw )
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{
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return pth_rwlock_acquire( rw, PTH_RWLOCK_RD, 0, NULL ) ? 0 : errno;
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}
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int ldap_pvt_thread_rdwr_rtrylock( ldap_pvt_thread_rdwr_t *rw )
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{
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return pth_rwlock_acquire( rw, PTH_RWLOCK_RD, 1, NULL ) ? 0 : errno;
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}
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int ldap_pvt_thread_rdwr_runlock( ldap_pvt_thread_rdwr_t *rw )
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{
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return pth_rwlock_release( rw ) ? 0 : errno;
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}
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int ldap_pvt_thread_rdwr_wlock( ldap_pvt_thread_rdwr_t *rw )
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{
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return pth_rwlock_acquire( rw, PTH_RWLOCK_RW, 0, NULL ) ? 0 : errno;
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}
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int ldap_pvt_thread_rdwr_wtrylock( ldap_pvt_thread_rdwr_t *rw )
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{
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return pth_rwlock_acquire( rw, PTH_RWLOCK_RW, 1, NULL ) ? 0 : errno;
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}
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int ldap_pvt_thread_rdwr_wunlock( ldap_pvt_thread_rdwr_t *rw )
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{
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return pth_rwlock_release( rw ) ? 0 : errno;
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}
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#endif /* LDAP_THREAD_HAVE_RDWR */
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#endif /* HAVE_GNU_PTH */
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