35 lines
942 B
Python
35 lines
942 B
Python
import structio
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async def child(n: int):
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print(f"Going to sleep for {n} seconds!")
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i = structio.clock()
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try:
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await structio.sleep(n)
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except structio.Cancelled:
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slept = structio.clock() - i
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print(
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f"Oh no, I've been cancelled! (was gonna sleep {n - slept:.2f} more seconds)"
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)
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raise
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print(f"Slept for {structio.clock() - i:.2f} seconds!")
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async def main() -> int:
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print("Parent is alive. Spawning children")
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t = structio.clock()
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try:
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async with structio.create_pool() as pool:
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pool.spawn(child, 5)
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pool.spawn(child, 3)
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pool.spawn(child, 8)
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print(f"Children spawned, awaiting completion")
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except KeyboardInterrupt:
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print("Ctrl+C caught")
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print(f"Children have completed in {structio.clock() - t:.2f} seconds")
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return 0
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assert structio.run(main) == 0
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print("Execution complete")
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