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Save the current BERTOS_PATH in editing mode (instead of override it with the local...
[bertos.git]
/
bertos
/
kern
/
sem.c
diff --git
a/bertos/kern/sem.c
b/bertos/kern/sem.c
index ac4e7d969bb4afa5bd505a182a16a59b9a31372f..3c645e957ae0723f2b863fb6a0c395eab64a7f17 100644
(file)
--- a/
bertos/kern/sem.c
+++ b/
bertos/kern/sem.c
@@
-82,9
+82,9
@@
bool sem_attempt(struct Semaphore *s)
proc_forbid();
sem_verify(s);
proc_forbid();
sem_verify(s);
- if ((!s->owner) || (s->owner ==
CurrentP
rocess))
+ if ((!s->owner) || (s->owner ==
current_p
rocess))
{
{
- s->owner =
CurrentP
rocess;
+ s->owner =
current_p
rocess;
s->nest_count++;
result = true;
}
s->nest_count++;
result = true;
}
@@
-117,10
+117,10
@@
void sem_obtain(struct Semaphore *s)
sem_verify(s);
/* Is the semaphore already locked by another process? */
sem_verify(s);
/* Is the semaphore already locked by another process? */
- if (UNLIKELY(s->owner && (s->owner !=
CurrentP
rocess)))
+ if (UNLIKELY(s->owner && (s->owner !=
current_p
rocess)))
{
/* Append calling process to the wait queue */
{
/* Append calling process to the wait queue */
- ADDTAIL(&s->wait_queue, (Node *)
CurrentP
rocess);
+ ADDTAIL(&s->wait_queue, (Node *)
current_p
rocess);
/*
* We will wake up only when the current owner calls
/*
* We will wake up only when the current owner calls
@@
-135,7
+135,7
@@
void sem_obtain(struct Semaphore *s)
ASSERT(LIST_EMPTY(&s->wait_queue));
/* The semaphore was free: lock it */
ASSERT(LIST_EMPTY(&s->wait_queue));
/* The semaphore was free: lock it */
- s->owner =
CurrentP
rocess;
+ s->owner =
current_p
rocess;
s->nest_count++;
proc_permit();
}
s->nest_count++;
proc_permit();
}
@@
-157,10
+157,12
@@
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);
- ASSERT(s->owner ==
CurrentP
rocess);
+ ASSERT(s->owner ==
current_p
rocess);
/*
* Decrement nesting count and check if the semaphore
/*
* Decrement nesting count and check if the semaphore
@@
-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));
}
}