22 lines
282 B
PHP
22 lines
282 B
PHP
;; File: lock.inc
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;; Function: lock_acquire
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;;
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;; In:
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;; EAX - lock address
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lock_acquire:
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mov edx, 1
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xchg edx, [eax]
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or edx, edx
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jnz lock_acquire
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ret
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;; Function: lock_release
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;;
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;; In:
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;; EAX - lock address
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lock_release:
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xor edx, edx
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xchg [eax], edx
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ret
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