66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
// Copyright 2018 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "test/syscalls/linux/base_poll_test.h"
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#include <sys/syscall.h>
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#include <sys/types.h>
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#include <syscall.h>
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#include <unistd.h>
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#include "gtest/gtest.h"
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#include "absl/memory/memory.h"
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#include "absl/time/clock.h"
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#include "absl/time/time.h"
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#include "test/util/test_util.h"
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namespace gvisor {
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namespace testing {
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static volatile int timer_fired = 0;
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static void SigAlarmHandler(int, siginfo_t*, void*) { timer_fired = 1; }
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BasePollTest::BasePollTest() {
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// Register our SIGALRM handler, but save the original so we can restore in
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// the destructor.
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struct sigaction sa = {};
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sa.sa_sigaction = SigAlarmHandler;
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sigfillset(&sa.sa_mask);
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TEST_PCHECK(sigaction(SIGALRM, &sa, &original_alarm_sa_) == 0);
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}
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BasePollTest::~BasePollTest() {
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ClearTimer();
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TEST_PCHECK(sigaction(SIGALRM, &original_alarm_sa_, nullptr) == 0);
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}
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void BasePollTest::SetTimer(absl::Duration duration) {
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pid_t tgid = getpid();
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pid_t tid = gettid();
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ClearTimer();
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// Create a new timer thread.
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timer_ = absl::make_unique<TimerThread>(absl::Now() + duration, tgid, tid);
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}
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bool BasePollTest::TimerFired() const { return timer_fired; }
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void BasePollTest::ClearTimer() {
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timer_.reset();
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timer_fired = 0;
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}
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} // namespace testing
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} // namespace gvisor
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