43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
import t, c
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ATOMIC_RELAXED: t.CDefine = 0
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ATOMIC_CONSUME: t.CDefine = 1
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ATOMIC_ACQUIRE: t.CDefine = 2
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ATOMIC_RELEASE: t.CDefine = 3
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ATOMIC_ACQ_REL: t.CDefine = 4
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ATOMIC_SEQ_CST: t.CDefine = 5
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def __atomic_test_and_set(ptr: t.CUInt64T | t.CPtr, order: t.CInt) -> t.CBool:
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result: t.CUInt8T = 1
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c.Asm(f"""mov al, 1
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xchg byte ptr [{c.AsmInp(ptr, t.ASM_DESCR.REG_ANY)}], al
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mov {c.AsmOut(result, t.ASM_DESCR.OUTPUT_REG)}, al""",
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out = [c.AsmOut(result, t.ASM_DESCR.OUTPUT_REG)],
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inp = [c.AsmInp(ptr, t.ASM_DESCR.REG_ANY)],
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op = [t.ASM_DESCR.CLOBBER_MEMORY, t.ASM_DESCR.CLOBBER_RAX])
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return t.CBool(result)
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def __atomic_clear(ptr: t.CUInt64T | t.CPtr, order: t.CInt) -> t.CVoid:
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c.Asm(f"""mov byte ptr [{c.AsmInp(ptr, t.ASM_DESCR.REG_ANY)}], 0""",
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inp = [c.AsmInp(ptr, t.ASM_DESCR.REG_ANY)],
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op = [t.ASM_DESCR.CLOBBER_MEMORY])
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def __atomic_thread_fence(order: t.CInt) -> t.CVoid:
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c.Asm("mfence", op=[t.ASM_DESCR.CLOBBER_MEMORY])
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def __atomic_signal_fence(order: t.CInt) -> t.CVoid:
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pass
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def __atomic_always_lock_free(size: t.CSizeT, ptr: t.CVoid | t.CPtr) -> t.CBool:
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return t.CBool(1)
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def __atomic_is_lock_free(size: t.CSizeT, ptr: t.CVoid | t.CPtr) -> t.CBool:
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return t.CBool(1)
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