80 lines
2.5 KiB
C++
80 lines
2.5 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 <signal.h>
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#include <sys/syscall.h>
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#include "gtest/gtest.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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namespace {
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TEST(SigactionTest, GetLessThanOrEqualToZeroFails) {
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struct sigaction act = {};
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ASSERT_THAT(sigaction(-1, nullptr, &act), SyscallFailsWithErrno(EINVAL));
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ASSERT_THAT(sigaction(0, nullptr, &act), SyscallFailsWithErrno(EINVAL));
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}
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TEST(SigactionTest, SetLessThanOrEqualToZeroFails) {
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struct sigaction act = {};
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ASSERT_THAT(sigaction(0, &act, nullptr), SyscallFailsWithErrno(EINVAL));
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ASSERT_THAT(sigaction(0, &act, nullptr), SyscallFailsWithErrno(EINVAL));
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}
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TEST(SigactionTest, GetGreaterThanMaxFails) {
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struct sigaction act = {};
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ASSERT_THAT(sigaction(SIGRTMAX + 1, nullptr, &act),
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SyscallFailsWithErrno(EINVAL));
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}
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TEST(SigactionTest, SetGreaterThanMaxFails) {
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struct sigaction act = {};
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ASSERT_THAT(sigaction(SIGRTMAX + 1, &act, nullptr),
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SyscallFailsWithErrno(EINVAL));
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}
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TEST(SigactionTest, SetSigkillFails) {
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struct sigaction act = {};
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ASSERT_THAT(sigaction(SIGKILL, nullptr, &act), SyscallSucceeds());
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ASSERT_THAT(sigaction(SIGKILL, &act, nullptr), SyscallFailsWithErrno(EINVAL));
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}
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TEST(SigactionTest, SetSigstopFails) {
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struct sigaction act = {};
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ASSERT_THAT(sigaction(SIGSTOP, nullptr, &act), SyscallSucceeds());
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ASSERT_THAT(sigaction(SIGSTOP, &act, nullptr), SyscallFailsWithErrno(EINVAL));
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}
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TEST(SigactionTest, BadSigsetFails) {
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constexpr size_t kWrongSigSetSize = 43;
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struct sigaction act = {};
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// The syscall itself (rather than the libc wrapper) takes the sigset_t size.
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ASSERT_THAT(
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syscall(SYS_rt_sigaction, SIGTERM, nullptr, &act, kWrongSigSetSize),
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SyscallFailsWithErrno(EINVAL));
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ASSERT_THAT(
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syscall(SYS_rt_sigaction, SIGTERM, &act, nullptr, kWrongSigSetSize),
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SyscallFailsWithErrno(EINVAL));
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}
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} // namespace
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} // namespace testing
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} // namespace gvisor
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