TermiNexus
e80284a6d5
按根目录 新规范 迁移 R1/R2/R3/R4/R6/R7/R8/R9：指针 T* 后缀、内建类型短别名、c.Addr/c.Deref 单目化、c.Asm 改 __asm__、t.CDefine 改 define 软关键字、t.CEnum 改 enum。R4 对内建 cast 多参实参保留 c.Deref 原写法（单目化会致 TPC 类型退化）。验证：includes 52/52 编译通过，TransPyV 自举产物顺序回归 77/77 全通过。
47 lines
1.1 KiB
Plaintext
47 lines
1.1 KiB
Plaintext
import t, c
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from stdint import *
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from w32.win32base import *
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from w32.win32sync import (
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SRWLOCK,
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InitializeSRWLock,
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AcquireSRWLockExclusive, ReleaseSRWLockExclusive,
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AcquireSRWLockShared, ReleaseSRWLockShared
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)
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class RWLock:
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"""SRWLock-based read-write lock that supports multiple readers and single writer, but does not support recursion.
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Usage:
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rwlock: RWLock = RWLock()
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rwlock.acquire_read()
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# ... read shared data
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rwlock.release_read()
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rwlock.acquire_write()
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# ... modify shared data
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rwlock.release_write()
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"""
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lock: SRWLOCK
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def __init__(self):
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InitializeSRWLock(&self.lock)
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def acquire_read(self):
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AcquireSRWLockShared(&self.lock)
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def release_read(self):
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ReleaseSRWLockShared(&self.lock)
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def acquire_write(self):
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AcquireSRWLockExclusive(&self.lock)
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def release_write(self):
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ReleaseSRWLockExclusive(&self.lock)
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def __enter__(self) -> 'RWLock' | t.CPtr:
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self.acquire_write()
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return self
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def __exit__(self):
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self.release_write()
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