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/* thr_pth.c - wrappers around GNU Pth */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2022 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
#include "portable.h"
#if defined( HAVE_GNU_PTH )
#include "ldap_pvt_thread.h" /* Get the thread interface */
#define LDAP_THREAD_IMPLEMENTATION
#define LDAP_THREAD_RDWR_IMPLEMENTATION
#include "ldap_thr_debug.h" /* May rename the symbols defined below */
#include <errno.h>
/*******************
* *
* GNU Pth Threads *
* *
*******************/
static pth_attr_t detach_attr;
static pth_attr_t joined_attr;
int
ldap_int_thread_initialize( void )
{
if( !pth_init() ) {
return -1;
}
detach_attr = pth_attr_new();
joined_attr = pth_attr_new();
#ifdef LDAP_PVT_THREAD_SET_STACK_SIZE
pth_attr_set( joined_attr, PTH_ATTR_STACK_SIZE, LDAP_PVT_THREAD_STACK_SIZE );
pth_attr_set( detach_attr, PTH_ATTR_STACK_SIZE, LDAP_PVT_THREAD_STACK_SIZE );
#endif
return pth_attr_set( detach_attr, PTH_ATTR_JOINABLE, FALSE );
}
int
ldap_int_thread_destroy( void )
{
pth_attr_destroy(detach_attr);
pth_kill();
return 0;
}
int
ldap_pvt_thread_create( ldap_pvt_thread_t * thread,
int detach,
void *(*start_routine)( void *),
void *arg)
{
*thread = pth_spawn( detach ? detach_attr : joined_attr,
start_routine, arg );
return *thread == NULL ? errno : 0;
}
void
ldap_pvt_thread_exit( void *retval )
{
pth_exit( retval );
}
int ldap_pvt_thread_join( ldap_pvt_thread_t thread, void **thread_return )
{
return pth_join( thread, thread_return ) ? 0 : errno;
}
int
ldap_pvt_thread_kill( ldap_pvt_thread_t thread, int signo )
{
return pth_raise( thread, signo ) ? 0 : errno;
}
int
ldap_pvt_thread_yield( void )
{
return pth_yield(NULL) ? 0 : errno;
}
int
ldap_pvt_thread_cond_init( ldap_pvt_thread_cond_t *cond )
{
return( pth_cond_init( cond ) ? 0 : errno );
}
int
ldap_pvt_thread_cond_signal( ldap_pvt_thread_cond_t *cond )
{
return( pth_cond_notify( cond, 0 ) ? 0 : errno );
}
int
ldap_pvt_thread_cond_broadcast( ldap_pvt_thread_cond_t *cond )
{
return( pth_cond_notify( cond, 1 ) ? 0 : errno );
}
int
ldap_pvt_thread_cond_wait( ldap_pvt_thread_cond_t *cond,
ldap_pvt_thread_mutex_t *mutex )
{
return( pth_cond_await( cond, mutex, NULL ) ? 0 : errno );
}
int
ldap_pvt_thread_cond_destroy( ldap_pvt_thread_cond_t *cv )
{
return 0;
}
int
ldap_pvt_thread_mutex_init( ldap_pvt_thread_mutex_t *mutex )
{
return( pth_mutex_init( mutex ) ? 0 : errno );
}
int
ldap_pvt_thread_mutex_recursive_init( ldap_pvt_thread_mutex_t *mutex )
{
/* All pth mutexes are recursive */
return ldap_pvt_thread_mutex_init( mutex );
}
int
ldap_pvt_thread_mutex_destroy( ldap_pvt_thread_mutex_t *mutex )
{
return 0;
}
int
ldap_pvt_thread_mutex_lock( ldap_pvt_thread_mutex_t *mutex )
{
return( pth_mutex_acquire( mutex, 0, NULL ) ? 0 : errno );
}
int
ldap_pvt_thread_mutex_unlock( ldap_pvt_thread_mutex_t *mutex )
{
return( pth_mutex_release( mutex ) ? 0 : errno );
}
int
ldap_pvt_thread_mutex_trylock( ldap_pvt_thread_mutex_t *mutex )
{
return( pth_mutex_acquire( mutex, 1, NULL ) ? 0 : errno );
}
ldap_pvt_thread_t
ldap_pvt_thread_self( void )
{
return pth_self();
}
int
ldap_pvt_thread_key_create( ldap_pvt_thread_key_t *key )
{
return pth_key_create( key, NULL );
}
int
ldap_pvt_thread_key_destroy( ldap_pvt_thread_key_t key )
{
return pth_key_delete( key );
}
int
ldap_pvt_thread_key_setdata( ldap_pvt_thread_key_t key, void *data )
{
return pth_key_setdata( key, data );
}
int
ldap_pvt_thread_key_getdata( ldap_pvt_thread_key_t key, void **data )
{
*data = pth_key_getdata( key );
return 0;
}
#ifdef LDAP_THREAD_HAVE_RDWR
int
ldap_pvt_thread_rdwr_init( ldap_pvt_thread_rdwr_t *rw )
{
return pth_rwlock_init( rw ) ? 0 : errno;
}
int
ldap_pvt_thread_rdwr_destroy( ldap_pvt_thread_rdwr_t *rw )
{
return 0;
}
int ldap_pvt_thread_rdwr_rlock( ldap_pvt_thread_rdwr_t *rw )
{
return pth_rwlock_acquire( rw, PTH_RWLOCK_RD, 0, NULL ) ? 0 : errno;
}
int ldap_pvt_thread_rdwr_rtrylock( ldap_pvt_thread_rdwr_t *rw )
{
return pth_rwlock_acquire( rw, PTH_RWLOCK_RD, 1, NULL ) ? 0 : errno;
}
int ldap_pvt_thread_rdwr_runlock( ldap_pvt_thread_rdwr_t *rw )
{
return pth_rwlock_release( rw ) ? 0 : errno;
}
int ldap_pvt_thread_rdwr_wlock( ldap_pvt_thread_rdwr_t *rw )
{
return pth_rwlock_acquire( rw, PTH_RWLOCK_RW, 0, NULL ) ? 0 : errno;
}
int ldap_pvt_thread_rdwr_wtrylock( ldap_pvt_thread_rdwr_t *rw )
{
return pth_rwlock_acquire( rw, PTH_RWLOCK_RW, 1, NULL ) ? 0 : errno;
}
int ldap_pvt_thread_rdwr_wunlock( ldap_pvt_thread_rdwr_t *rw )
{
return pth_rwlock_release( rw ) ? 0 : errno;
}
#endif /* LDAP_THREAD_HAVE_RDWR */
#endif /* HAVE_GNU_PTH */
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