Exemplo n.º 1
0
async def bart():
    barrier = Barrier(4, my_coro, ('my_coro running', ))
    for x in range(3):
        asyncio.create_task(report1(barrier, x))
    await barrier
    # Must yield before reading result(). Here we wait long enough for
    await asyncio.sleep_ms(1500)  # coro to print
    barrier.result().cancel()
    await asyncio.sleep(2)
Exemplo n.º 2
0
async def cond_go():
    ntasks = 7
    barrier = Barrier(ntasks + 1)
    t1 = asyncio.create_task(cond01())
    t3 = asyncio.create_task(cond03())
    for n in range(ntasks):
        asyncio.create_task(cond02(n, barrier))
    await barrier  # All instances of cond02 have completed
    # Test wait_for
    barrier = Barrier(2)
    asyncio.create_task(cond04(99, barrier))
    await barrier
    # cancel continuously running coros.
    t1.cancel()
    t3.cancel()
    await asyncio.sleep_ms(0)
    print('Done.')
Exemplo n.º 3
0
async def do_barrier_test():
    barrier = Barrier(3, callback, ('Synch', ))
    for _ in range(2):
        for _ in range(3):
            asyncio.create_task(report(barrier))
        await asyncio.sleep(1)
        print()
    await asyncio.sleep(1)
Exemplo n.º 4
0
async def main():
    sw1 = asyncio.StreamWriter(UART(1, 9600), {})
    sw2 = asyncio.StreamWriter(UART(
        1, 1200), {})  # ESP32S2 UART(0) is disabled (dedicated to REPL)
    barrier = Barrier(3)
    for n, sw in enumerate((sw1, sw2)):
        asyncio.create_task(sender(barrier, sw, n + 1))
    await provider(barrier)
Exemplo n.º 5
0
def barrier_test():
    printexp('''0 0 0 Synch
1 1 1 Synch
2 2 2 Synch
3 3 3 Synch
4 4 4 Synch
''')
    barrier = Barrier(3, callback, ('Synch', ))
    for _ in range(3):
        asyncio.create_task(report(barrier))
    asyncio.run(killer(2))
Exemplo n.º 6
0
async def run_sema_test(bounded):
    num_coros = 5
    barrier = Barrier(num_coros + 1)
    if bounded:
        semaphore = BoundedSemaphore(3)
    else:
        semaphore = Semaphore(3)
    for n in range(num_coros):
        asyncio.create_task(run_sema(n, semaphore, barrier))
    await barrier  # Quit when all coros complete
    try:
        semaphore.release()
    except ValueError:
        print('Bounded semaphore exception test OK')