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authorSebastian Huber <sebastian.huber@embedded-brains.de>2013-07-18 14:27:30 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2013-07-22 16:56:58 +0200
commite36f2b8c914b73bacfc89b997f4a59d5387303ce (patch)
tree19f4c9e363b353ea441c2459e5b697d18c4c8c5e /cpukit/posix/src/semaphorewaitsupp.c
parentscore: Add const qualifier (diff)
downloadrtems-e36f2b8c914b73bacfc89b997f4a59d5387303ce.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/posix/src/semaphorewaitsupp.c')
-rw-r--r--cpukit/posix/src/semaphorewaitsupp.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/cpukit/posix/src/semaphorewaitsupp.c b/cpukit/posix/src/semaphorewaitsupp.c
index 67ecb43858..a590537d10 100644
--- a/cpukit/posix/src/semaphorewaitsupp.c
+++ b/cpukit/posix/src/semaphorewaitsupp.c
@@ -40,25 +40,28 @@ int _POSIX_Semaphore_Wait_support(
{
POSIX_Semaphore_Control *the_semaphore;
Objects_Locations location;
+ Thread_Control *executing;
the_semaphore = _POSIX_Semaphore_Get( sem, &location );
switch ( location ) {
case OBJECTS_LOCAL:
+ executing = _Thread_Executing;
_CORE_semaphore_Seize(
&the_semaphore->Semaphore,
+ executing,
the_semaphore->Object.id,
blocking,
timeout
);
_Objects_Put( &the_semaphore->Object );
- if ( !_Thread_Executing->Wait.return_code )
+ if ( !executing->Wait.return_code )
return 0;
rtems_set_errno_and_return_minus_one(
_POSIX_Semaphore_Translate_core_semaphore_return_code(
- _Thread_Executing->Wait.return_code
+ executing->Wait.return_code
)
);