34 lines
1.0 KiB
C++
34 lines
1.0 KiB
C++
// Copyright 2018 Google LLC
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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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// Checks that there is no alternate signal stack by default.
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//
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// Used by a test in sigaltstack.cc.
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#include <errno.h>
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#include <signal.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include "test/util/logging.h"
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int main(int /* argc */, char** /* argv */) {
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stack_t stack;
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TEST_CHECK(sigaltstack(nullptr, &stack) >= 0);
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TEST_CHECK(stack.ss_flags == SS_DISABLE);
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TEST_CHECK(stack.ss_sp == 0);
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TEST_CHECK(stack.ss_size == 0);
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return 0;
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}
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