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// Copyright 2019 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "test/util/time_util.h"
#include <sys/syscall.h>
#include <unistd.h>
#include "absl/time/time.h"
namespace gvisor {
namespace testing {
void SleepSafe(absl::Duration duration) {
if (duration == absl::ZeroDuration()) {
return;
}
struct timespec ts = absl::ToTimespec(duration);
int ret;
while (1) {
ret = syscall(__NR_nanosleep, &ts, &ts);
if (ret == 0 || (ret <= 0 && errno != EINTR)) {
break;
}
}
}
} // namespace testing
} // namespace gvisor
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