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-rw-r--r--libraries/libldap/thr_pth.c238
1 files changed, 238 insertions, 0 deletions
diff --git a/libraries/libldap/thr_pth.c b/libraries/libldap/thr_pth.c
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+++ b/libraries/libldap/thr_pth.c
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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 */