17 lines
376 B
Plaintext
17 lines
376 B
Plaintext
import t, c
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import atom
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class _spinlock:
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locked: t.CVolatile | t.CInt
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name: t.CArray[t.CChar, 32]
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def __init__(self):
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self.locked = 0
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def lock(self):
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while atom.__atomic_test_and_set(c.Addr(self.locked), atom.ATOMIC_ACQUIRE): pass
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def unlock(self):
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atom.__atomic_clear(c.Addr(self.locked), atom.ATOMIC_RELEASE)
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