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Diffstat (limited to 'test/util/time_util.cc')
-rw-r--r-- | test/util/time_util.cc | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/test/util/time_util.cc b/test/util/time_util.cc new file mode 100644 index 000000000..1ddfbfc9c --- /dev/null +++ b/test/util/time_util.cc @@ -0,0 +1,41 @@ +// 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 |