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Showing content from https://learn.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-wakeconditionvariable below:

WakeConditionVariable function (synchapi.h) - Win32 apps

WakeConditionVariable function (synchapi.h)

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Wake a single thread waiting on the specified condition variable.

Syntax
void WakeConditionVariable(
  [in, out] PCONDITION_VARIABLE ConditionVariable
);
Parameters

[in, out] ConditionVariable

A pointer to the condition variable.

Return value

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).

Examples

For an example that uses this function, see Using Condition Variables.

Requirements 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 See also

Condition Variables

Synchronization Functions

Vertdll APIs available in VBS enclaves

Additional resources

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