mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 15:16:12 -04:00
Alexey Polyudov
2155b3ddeb
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I9850950db8bd84f0904ea1a413151887f52098cf
32 lines
847 B
C++
32 lines
847 B
C++
#ifndef PLATFORM_API_COUNT_DOWN_LATCH_H_
|
|
#define PLATFORM_API_COUNT_DOWN_LATCH_H_
|
|
|
|
#include <cstdint>
|
|
|
|
#include "platform/base/exception.h"
|
|
#include "absl/time/time.h"
|
|
|
|
namespace location {
|
|
namespace nearby {
|
|
namespace api {
|
|
|
|
// A synchronization aid that allows one or more threads to wait until a set of
|
|
// operations being performed in other threads completes.
|
|
//
|
|
// https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CountDownLatch.html
|
|
class CountDownLatch {
|
|
public:
|
|
virtual ~CountDownLatch() = default;
|
|
|
|
virtual Exception Await() = 0; // throws Exception::kInterrupted
|
|
virtual ExceptionOr<bool> Await(
|
|
absl::Duration timeout) = 0; // throws Exception::kInterrupted
|
|
virtual void CountDown() = 0;
|
|
};
|
|
|
|
} // namespace api
|
|
} // namespace nearby
|
|
} // namespace location
|
|
|
|
#endif // PLATFORM_API_COUNT_DOWN_LATCH_H_
|