// 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