Files
nearby/cpp/platform/api2/count_down_latch.h
T
Alexey Polyudov d455926d89 nearby: snapshot of cl/304428753
Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: I0023ac6e40456fc4a8169c3173bcbff3b5ccc476
2020-04-04 12:54:05 -07:00

30 lines
801 B
C++

#ifndef PLATFORM_API2_COUNT_DOWN_LATCH_H_
#define PLATFORM_API2_COUNT_DOWN_LATCH_H_
#include <cstdint>
#include "platform/exception.h"
#include "absl/time/time.h"
namespace location {
namespace nearby {
// 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() {}
virtual Exception Await() = 0; // throws Exception::kInterrupted
virtual ExceptionOr<bool> Await(
absl::Duration timeout) = 0; // throws Exception::kInterrupted
virtual void CountDown() = 0;
};
} // namespace nearby
} // namespace location
#endif // PLATFORM_API2_COUNT_DOWN_LATCH_H_