37 lines
977 B
Python
37 lines
977 B
Python
import t, c
|
|
from stdint import *
|
|
from w32.win32base import *
|
|
from w32.win32sync import CreateEventA, SetEvent, ResetEvent, WaitForSingleObject
|
|
|
|
|
|
@t.Object
|
|
class Event:
|
|
"""基于 Windows Event 的事件对象，支持手动/自动重置。
|
|
|
|
用法:
|
|
evt: Event = Event(FALSE, FALSE)
|
|
evt.set()
|
|
evt.wait()
|
|
"""
|
|
handle: HANDLE
|
|
manual_reset: BOOL
|
|
|
|
def __init__(self, manual_reset: BOOL = FALSE, initial_state: BOOL = FALSE):
|
|
self.manual_reset = manual_reset
|
|
self.handle = CreateEventA(NULL, manual_reset, initial_state, NULL)
|
|
|
|
def set(self):
|
|
SetEvent(self.handle)
|
|
|
|
def clear(self):
|
|
ResetEvent(self.handle)
|
|
|
|
def is_set(self) -> BOOL:
|
|
return WaitForSingleObject(self.handle, 0) == WAIT_OBJECT_0
|
|
|
|
def wait(self, timeout_ms: ULONG = INFINITE) -> BOOL:
|
|
return WaitForSingleObject(self.handle, timeout_ms) == WAIT_OBJECT_0
|
|
|
|
def close(self):
|
|
CloseHandle(self.handle)
|