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lm3s1968: offload Serial structure from the serial prompt process's stack.
[bertos.git]
/
bertos
/
kern
/
sem.c
diff --git
a/bertos/kern/sem.c
b/bertos/kern/sem.c
index 53ef4cc16cdfec19f33b7bf193a5b0efbee4b6cc..3c645e957ae0723f2b863fb6a0c395eab64a7f17 100644
(file)
--- a/
bertos/kern/sem.c
+++ b/
bertos/kern/sem.c
@@
-157,6
+157,8
@@
void sem_obtain(struct Semaphore *s)
*/
void sem_release(struct Semaphore *s)
{
*/
void sem_release(struct Semaphore *s)
{
+ Process *proc = NULL;
+
proc_forbid();
sem_verify(s);
proc_forbid();
sem_verify(s);
@@
-168,8
+170,6
@@
void sem_release(struct Semaphore *s)
*/
if (--s->nest_count == 0)
{
*/
if (--s->nest_count == 0)
{
- Process *proc;
-
/* Disown semaphore */
s->owner = NULL;
/* Disown semaphore */
s->owner = NULL;
@@
-178,9
+178,10
@@
void sem_release(struct Semaphore *s)
{
s->nest_count = 1;
s->owner = proc;
{
s->nest_count = 1;
s->owner = proc;
- ATOMIC(SCHED_ENQUEUE(proc));
}
}
}
}
-
proc_permit();
proc_permit();
+
+ if (proc)
+ ATOMIC(proc_wakeup(proc));
}
}