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management/scheduler: replace queue with transparent list + semaphore

This commit is contained in:
Sebastien Bourdeauducq 2014-12-09 16:26:50 +08:00
parent 059608d1fd
commit 08f2aa8503
1 changed files with 6 additions and 3 deletions
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9
artiq/management/scheduler.py
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@ -6,7 +6,8 @@ from artiq.management.worker import Worker
class Scheduler: class Scheduler:
def __init__(self, *args, **kwargs): def __init__(self, *args, **kwargs):
self.worker = Worker(*args, **kwargs) self.worker = Worker(*args, **kwargs)
self.queue = asyncio.Queue() self.queued = []
self.queue_count = asyncio.Semaphore(0)
@asyncio.coroutine @asyncio.coroutine
def start(self): def start(self):
@ -21,11 +22,13 @@ class Scheduler:
yield from self.worker.end_process() yield from self.worker.end_process()
def run_once(self, run_params, timeout): def run_once(self, run_params, timeout):
self.queue.put_nowait((run_params, timeout)) self.queued.append((run_params, timeout))
self.queue_count.release()
@asyncio.coroutine @asyncio.coroutine
def _schedule(self): def _schedule(self):
while True: while True:
run_params, timeout = yield from self.queue.get() yield from self.queue_count.acquire()
run_params, timeout = self.queued.pop(0)
result = yield from self.worker.run(run_params, timeout) result = yield from self.worker.run(run_params, timeout)
print(result) print(result)