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-rw-r--r--cpukit/posix/src/pthreadjoin.c74
1 files changed, 35 insertions, 39 deletions
diff --git a/cpukit/posix/src/pthreadjoin.c b/cpukit/posix/src/pthreadjoin.c
index 2cb0903367..23a7749a81 100644
--- a/cpukit/posix/src/pthreadjoin.c
+++ b/cpukit/posix/src/pthreadjoin.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
/**
* @file
*
@@ -12,11 +14,28 @@
* COPYRIGHT (c) 1989-2014.
* On-Line Applications Research Corporation (OAR).
*
- * Copyright (c) 2016 embedded brains GmbH.
+ * Copyright (c) 2016 embedded brains GmbH & Co. KG
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
*
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
@@ -35,26 +54,16 @@ static int _POSIX_Threads_Join( pthread_t thread, void **value_ptr )
{
Thread_Control *the_thread;
Thread_queue_Context queue_context;
- Per_CPU_Control *cpu_self;
Thread_Control *executing;
- void *value;
+ Status_Control status;
_Thread_queue_Context_initialize( &queue_context );
- _Thread_queue_Context_set_enqueue_do_nothing_extra( &queue_context );
the_thread = _Thread_Get( thread, &queue_context.Lock_context.Lock_context );
if ( the_thread == NULL ) {
return ESRCH;
}
- cpu_self = _Per_CPU_Get();
- executing = _Per_CPU_Get_executing( cpu_self );
-
- if ( executing == the_thread ) {
- _ISR_lock_ISR_enable( &queue_context.Lock_context.Lock_context );
- return EDEADLK;
- }
-
_Thread_State_acquire_critical(
the_thread,
&queue_context.Lock_context.Lock_context
@@ -65,33 +74,20 @@ static int _POSIX_Threads_Join( pthread_t thread, void **value_ptr )
return EINVAL;
}
- if ( _States_Is_waiting_for_join_at_exit( the_thread->current_state ) ) {
- value = the_thread->Life.exit_value;
- _Thread_Clear_state_locked( the_thread, STATES_WAITING_FOR_JOIN_AT_EXIT );
- _Thread_Dispatch_disable_with_CPU(
- cpu_self,
- &queue_context.Lock_context.Lock_context
- );
- _Thread_State_release( the_thread, &queue_context.Lock_context.Lock_context );
- _Thread_Dispatch_direct( cpu_self );
- } else {
- _Thread_Join(
- the_thread,
- STATES_INTERRUPTIBLE_BY_SIGNAL | STATES_WAITING_FOR_JOIN,
- executing,
- &queue_context
- );
-
- if ( _POSIX_Get_error_after_wait( executing ) != 0 ) {
- _Assert( _POSIX_Get_error_after_wait( executing ) == EINTR );
- return EINTR;
- }
-
- value = executing->Wait.return_argument;
+ executing = _Thread_Executing;
+ status = _Thread_Join(
+ the_thread,
+ STATES_INTERRUPTIBLE_BY_SIGNAL | STATES_WAITING_FOR_JOIN,
+ executing,
+ &queue_context
+ );
+
+ if ( status != STATUS_SUCCESSFUL ) {
+ return _POSIX_Get_error( status );
}
if ( value_ptr != NULL ) {
- *value_ptr = value;
+ *value_ptr = executing->Wait.return_argument;
}
return 0;