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42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
#include "compat/bionic_signal_runtime.h"
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#include <gtest/gtest.h>
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#include <array>
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#include <cstdint>
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namespace mocktail::compat {
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namespace {
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void TestHandler(int) {}
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TEST(BionicSignalRuntimeTest, TranslatesLp64LayoutWithoutOverwritingCaller) {
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struct sigaction original {};
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ASSERT_EQ(sigaction(SIGUSR2, nullptr, &original), 0);
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BionicSigaction requested;
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requested.callback.handler = TestHandler;
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requested.flags = SA_RESTART;
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requested.mask = std::uint64_t{1} << (SIGTERM - 1);
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struct GuardedAction {
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BionicSigaction action;
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std::array<std::uint8_t, 64> canary;
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} observed{};
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observed.canary.fill(0xa5);
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ASSERT_EQ(BionicSigactionCall(SIGUSR2, &requested, nullptr), 0);
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ASSERT_EQ(BionicSigactionCall(SIGUSR2, nullptr, &observed.action), 0);
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EXPECT_EQ(observed.action.callback.handler, TestHandler);
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EXPECT_NE(observed.action.flags & SA_RESTART, 0);
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EXPECT_NE(observed.action.mask & (std::uint64_t{1} << (SIGTERM - 1)), 0U);
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for (std::uint8_t byte : observed.canary) {
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EXPECT_EQ(byte, 0xa5);
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}
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ASSERT_EQ(sigaction(SIGUSR2, &original, nullptr), 0);
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}
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} // namespace
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} // namespace mocktail::compat
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