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https://github.com/kidfromjupiter/nearby.git
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Alexey Polyudov
204f76077d
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I2cf5bf225b76f4c1541954651f3a7544a14e0cec
29 lines
780 B
C++
29 lines
780 B
C++
#ifndef PLATFORM_API_COUNT_DOWN_LATCH_H_
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#define PLATFORM_API_COUNT_DOWN_LATCH_H_
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#include <cstdint>
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#include "platform/exception.h"
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namespace location {
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namespace nearby {
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// A synchronization aid that allows one or more threads to wait until a set of
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// operations being performed in other threads completes.
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//
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// https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CountDownLatch.html
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class CountDownLatch {
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public:
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virtual ~CountDownLatch() {}
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virtual Exception::Value await() = 0; // throws Exception::INTERRUPTED
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virtual ExceptionOr<bool> await(
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std::int32_t timeout_millis) = 0; // throws Exception::INTERRUPTED
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virtual void countDown() = 0;
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};
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} // namespace nearby
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} // namespace location
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#endif // PLATFORM_API_COUNT_DOWN_LATCH_H_
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