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Wake a single thread waiting on the specified condition variable.
void WakeConditionVariable(
[in, out] PCONDITION_VARIABLE ConditionVariable
);
[in, out] ConditionVariable
A pointer to the condition variable.
None
The WakeAllConditionVariable wakes all waiting threads while the WakeConditionVariable wakes only a single thread. Waking one thread is similar to setting an auto-reset event, while waking all threads is similar to pulsing a manual reset event but more reliable (see PulseEvent for details).
For an example that uses this function, see Using Condition Variables.
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps | UWP apps] |
| Minimum supported server | Windows Server 2008 [desktop apps | UWP apps] |
| Target Platform | Windows |
| Header | synchapi.h (include Windows.h on Windows Server 2003, Windows Vista, Windows 7, Windows Server 2008 Windows Server 2008 R2) |
| Library | Kernel32.lib |
| DLL | Kernel32.dll |