diff options
Diffstat (limited to 'src/kernel/task/sched.cpp')
| -rw-r--r-- | src/kernel/task/sched.cpp | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/src/kernel/task/sched.cpp b/src/kernel/task/sched.cpp index c17f271..5b3f007 100644 --- a/src/kernel/task/sched.cpp +++ b/src/kernel/task/sched.cpp @@ -3,10 +3,6 @@ #include <mem/mem.h> #include <ui/vt.h> -// Lower priority numbers have high priority. Priorities must start at 0. -#define PRIORITIES 3 // we have 3 priority levels -#define PRIORITY(t) (t->process->privilege) //get priority for a thread - extern thread *idle_thread; static thread *queue[PRIORITIES] = {0}, *last[PRIORITIES] = {0}; @@ -34,9 +30,11 @@ static thread *sched_dequeueFrom(int qid) { } /* Used by task.c. Enqueus a thread in the corresponding priority queue. */ -void sched_enqueue(thread *t) { +void sched_enqueue(thread *t, int priority) { if (t == idle_thread) return; - sched_enqueueIn(t, PRIORITY(t)); + if (priority >= PRIORITIES) priority = PRIORITIES - 1; + if (priority < 0) return; + sched_enqueueIn(t, priority); } /* Used by task.c. Pops a thread from the lowest priority non-empty queue. */ |