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authorSebastian Huber <sebastian.huber@embedded-brains.de>2013-07-18 16:00:54 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2013-07-22 16:56:59 +0200
commit33a4a56e7f2c52148bfd09cdcb7371d9b1b37eb5 (patch)
tree63951d498925df25b7d2dbd93a95e1645c6fab2c /cpukit/rtems/src/msgqreceive.c
parentscore: Create message queue implementation header (diff)
downloadrtems-33a4a56e7f2c52148bfd09cdcb7371d9b1b37eb5.tar.bz2
score: Avoid direct usage of _Thread_Executing
Pass the executing thread as a function parameter. Obtain the executing thread inside a thread dispatch critical section to avoid problems on SMP.
Diffstat (limited to 'cpukit/rtems/src/msgqreceive.c')
-rw-r--r--cpukit/rtems/src/msgqreceive.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/cpukit/rtems/src/msgqreceive.c b/cpukit/rtems/src/msgqreceive.c
index 265e71e243..484cb53331 100644
--- a/cpukit/rtems/src/msgqreceive.c
+++ b/cpukit/rtems/src/msgqreceive.c
@@ -47,6 +47,7 @@ rtems_status_code rtems_message_queue_receive(
register Message_queue_Control *the_message_queue;
Objects_Locations location;
bool wait;
+ Thread_Control *executing;
if ( !buffer )
return RTEMS_INVALID_ADDRESS;
@@ -63,8 +64,10 @@ rtems_status_code rtems_message_queue_receive(
else
wait = true;
+ executing = _Thread_Executing;
_CORE_message_queue_Seize(
&the_message_queue->message_queue,
+ executing,
the_message_queue->Object.id,
buffer,
size,
@@ -73,7 +76,7 @@ rtems_status_code rtems_message_queue_receive(
);
_Objects_Put( &the_message_queue->Object );
return _Message_queue_Translate_core_message_queue_return_code(
- _Thread_Executing->Wait.return_code
+ executing->Wait.return_code
);
#if defined(RTEMS_MULTIPROCESSING)