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more comments added and existing ones cleaned up in synchronization paths

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This commit is contained in:
Joel Sherrill
1996-02-13 15:38:37 +00:00
parent b38955b043
commit 391f662854
2 changed files with 26 additions and 2 deletions
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c/src/exec/score/src/threadq.c
+13 -1
View File
@@ -327,6 +327,18 @@ void _Thread_queue_Timeout(
case OBJECTS_LOCAL:
the_thread_queue = the_thread->Wait.queue;
/*
* If the_thread_queue is not synchronized, then it is either
* "nothing happened", "timeout", or "satisfied". If the_thread
* is the executing thread, then it is in the process of blocking
* and it is the thread which is responsible for the synchronization
* process.
*
* If it is not satisfied, then it is "nothing happened" and
* this is the "timeout" transition. After a request is satisfied,
* a timeout is not allowed to occur.
*/
if ( the_thread_queue->sync_state != THREAD_QUEUE_SYNCHRONIZED &&
_Thread_Is_executing( the_thread ) ) {
if ( the_thread_queue->sync_state != THREAD_QUEUE_SATISFIED )
@@ -714,7 +726,7 @@ synchronize:
case THREAD_QUEUE_NOTHING_HAPPENED:
/*
* All of this was dealt with above. This should never happen.
* This should never happen. All of this was dealt with above.
*/
break;
cpukit/score/src/threadq.c
+13 -1
View File
@@ -327,6 +327,18 @@ void _Thread_queue_Timeout(
case OBJECTS_LOCAL:
the_thread_queue = the_thread->Wait.queue;
/*
* If the_thread_queue is not synchronized, then it is either
* "nothing happened", "timeout", or "satisfied". If the_thread
* is the executing thread, then it is in the process of blocking
* and it is the thread which is responsible for the synchronization
* process.
*
* If it is not satisfied, then it is "nothing happened" and
* this is the "timeout" transition. After a request is satisfied,
* a timeout is not allowed to occur.
*/
if ( the_thread_queue->sync_state != THREAD_QUEUE_SYNCHRONIZED &&
_Thread_Is_executing( the_thread ) ) {
if ( the_thread_queue->sync_state != THREAD_QUEUE_SATISFIED )
@@ -714,7 +726,7 @@ synchronize:
case THREAD_QUEUE_NOTHING_HAPPENED:
/*
* All of this was dealt with above. This should never happen.
* This should never happen. All of this was dealt with above.
*/
break;