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IN NO EVENT SHALL THE COPYRIGHT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#ifndef WebWaitableEvent_h 3209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#define WebWaitableEvent_h 33926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 3409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#include "WebCommon.h" 359bbd2f5e390b01907d97ecffde80aa1b06113aacTorne (Richard Coles) 3651b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)namespace blink { 379bbd2f5e390b01907d97ecffde80aa1b06113aacTorne (Richard Coles) 3809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)// Provides a thread synchronization that can be used to allow one thread to 3909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)// wait until another thread to finish some work. 4009380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)class WebWaitableEvent { 4109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)public: 4209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual ~WebWaitableEvent() { } 4309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 4409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) // Waits indefinitely for the event to be signaled. 4509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual void wait() = 0; 469bbd2f5e390b01907d97ecffde80aa1b06113aacTorne (Richard Coles) 4709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) // Puts the event in the signaled state. Causing any thread blocked on Wait 4809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) // to be woken up. The event state is reset to non-signaled after 4909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) // a waiting thread has been released. 5009380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual void signal() = 0; 5109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)}; 529bbd2f5e390b01907d97ecffde80aa1b06113aacTorne (Richard Coles) 5351b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)} // namespace blink 5409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 5509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#endif // WebWaitableEvent_h 56