mirror of
https://github.com/kidfromjupiter/nearby.git
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Alexey Polyudov
ae1c427b99
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I8936b527079074d5c3af5531b9245063767cc4a7
32 lines
859 B
C++
32 lines
859 B
C++
#ifndef PLATFORM_V2_API_COUNT_DOWN_LATCH_H_
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#define PLATFORM_V2_API_COUNT_DOWN_LATCH_H_
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#include <cstdint>
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#include "platform_v2/base/exception.h"
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#include "absl/time/time.h"
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namespace location {
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namespace nearby {
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namespace api {
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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() = default;
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virtual Exception Await() = 0; // throws Exception::kInterrupted
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virtual ExceptionOr<bool> Await(
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absl::Duration timeout) = 0; // throws Exception::kInterrupted
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virtual void CountDown() = 0;
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};
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} // namespace api
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} // namespace nearby
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} // namespace location
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#endif // PLATFORM_V2_API_COUNT_DOWN_LATCH_H_
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