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Removed another goto from scheduler.

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This commit is contained in:
Bahadir Balban
2009-12-14 12:53:41 +02:00
parent d47b0acaea
commit 16818191b3
1 changed files with 16 additions and 14 deletions
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30
src/generic/scheduler.c
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@@ -411,24 +411,26 @@ void schedule()
} }
/* Determine the next task to be run */ /* Determine the next task to be run */
get_runnable_task: do {
if (scheduler.rq_runnable->total > 0) { if (scheduler.rq_runnable->total > 0) {
next = link_to_struct(scheduler.rq_runnable->task_list.next, next = link_to_struct(scheduler.rq_runnable->task_list.next,
struct ktcb, rq_list);
} else {
if (scheduler.rq_expired->total > 0) {
sched_rq_swap_runqueues();
next = link_to_struct(
scheduler.rq_runnable->task_list.next,
struct ktcb, rq_list); struct ktcb, rq_list);
} else { } else {
/* If process, poll forever for new tasks */ if (scheduler.rq_expired->total > 0) {
if (in_process_context()) sched_rq_swap_runqueues();
goto get_runnable_task; next = link_to_struct(
else /* If irq, resume current context */ scheduler.rq_runnable->task_list.next,
struct ktcb, rq_list);
} else {
/* Irq preemptions return to current task
* if no runnable tasks are available */
next = current; next = current;
}
} }
} /* If process context, poll forever for new tasks */
} while (scheduler.rq_runnable->total == 0 &&
scheduler.rq_expired->total == 0 &&
in_process_context());
/* New tasks affect runqueue total priority. */ /* New tasks affect runqueue total priority. */
if (next->flags & TASK_RESUMING) if (next->flags & TASK_RESUMING)