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    « NSPR API Reference « Condition Variables

    Notifies all of the threads waiting on a specified condition variable.


    #include <prcvar.h>
    PRStatus PR_NotifyAllCondVar(PRCondVar *cvar);


    The function returns one of the following values:

    • If successful, PR_SUCCESS.
    • If unsuccessful (for example, if the caller has not locked the lock associated with the condition variable), PR_FAILURE.


    The calling thread must hold the lock that protects the condition, as well as the invariants that are tightly bound to the condition.

    A call to PR_NotifyAllCondVar causes all of the threads waiting on the specified condition variable to be promoted to a ready state. If no threads are waiting, the operation is no-op.

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