snapshot before regression test

includes/condition.py

@@ -0,0 +1,53 @@
+import t, c
+from stdint import *
+from w32.win32base import *
+from w32.win32sync import (
+    CRITICAL_SECTION,
+    InitializeCriticalSection, EnterCriticalSection, LeaveCriticalSection, DeleteCriticalSection,
+    InitializeConditionVariable, SleepConditionVariableCS,
+    WakeConditionVariable, WakeAllConditionVariable
+)
+
+
+@t.Object
+class Condition:
+    """基于 Windows 条件变量的条件变量，内部包含 CRITICAL_SECTION。
+
+    用法:
+        cond: Condition = Condition()
+        with cond:
+            while not ready:
+                cond.wait()
+            cond.notify()
+    """
+    cond_var: VOIDPTR
+    cs: CRITICAL_SECTION
+
+    def __init__(self):
+        InitializeCriticalSection(c.Addr(self.cs))
+        InitializeConditionVariable(c.Addr(self.cond_var))
+
+    def wait(self, timeout_ms: ULONG = INFINITE) -> BOOL:
+        return SleepConditionVariableCS(c.Addr(self.cond_var), c.Addr(self.cs), timeout_ms)
+
+    def notify(self):
+        WakeConditionVariable(c.Addr(self.cond_var))
+
+    def notify_all(self):
+        WakeAllConditionVariable(c.Addr(self.cond_var))
+
+    def acquire(self):
+        EnterCriticalSection(c.Addr(self.cs))
+
+    def release(self):
+        LeaveCriticalSection(c.Addr(self.cs))
+
+    def __enter__(self) -> 'Condition' | t.CPtr:
+        self.acquire()
+        return self
+
+    def __exit__(self):
+        self.release()
+
+    def delete(self):
+        DeleteCriticalSection(c.Addr(self.cs))