| // Copyright 2016 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef GARNET_LIB_MAGMA_SRC_MAGMA_UTIL_PLATFORM_PLATFORM_EVENT_H_ |
| #define GARNET_LIB_MAGMA_SRC_MAGMA_UTIL_PLATFORM_PLATFORM_EVENT_H_ |
| |
| #include <memory> |
| |
| #include "magma_util/status.h" |
| |
| namespace magma { |
| |
| // PlatformEvent is a one-shot event: initial state is unsignaled; |
| // after signaling, state is forever signaled. |
| class PlatformEvent { |
| public: |
| static std::unique_ptr<PlatformEvent> Create(); |
| |
| virtual ~PlatformEvent() {} |
| |
| virtual void Signal() = 0; |
| |
| // Returns MAGMA_STATUS_OK if the event is signaled before the |
| // timeout expires. |
| virtual magma::Status Wait(uint64_t timeout_ms) = 0; |
| |
| magma::Status Wait() { return Wait(UINT64_MAX); } |
| }; |
| |
| } // namespace magma |
| |
| #endif // GARNET_LIB_MAGMA_SRC_MAGMA_UTIL_PLATFORM_PLATFORM_EVENT_H_ |