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https://github.com/FEX-Emu/FEX.git
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Paulo Matos
2b4ec88dae
This follows discussions from #3413. Followup commits add clang-format file, script and blame ignore lists.
36 lines
1.0 KiB
C++
36 lines
1.0 KiB
C++
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/*
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tests shared / mirrored mappings
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*/
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#include "smc-common.h"
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#include <catch2/catch_test_macros.hpp>
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TEST_CASE("SMC: mmap_fork") {
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auto code = (char*)mmap(0, 4096, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_SHARED | MAP_ANON, 0, 0);
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CHECK(test_forked(code, code, "mmap_fork") == 0);
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}
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TEST_CASE("SMC: shmat_fork") {
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auto shm = shmget(IPC_PRIVATE, 4096, IPC_CREAT | 0777);
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auto code = (char*)shmat(shm, nullptr, SHM_EXEC);
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CHECK(test_forked(code, code, "shmat_fork") == 0);
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}
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TEST_CASE("SMC: fork_shmat_same_shmid") {
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auto shm = shmget(IPC_PRIVATE, 4096, IPC_CREAT | 0777);
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auto code3 = (char*)shmat(shm, nullptr, 0);
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// NOTE: Forking in a test will fork the entire Catch2 test runtime.
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// That's not great, but it doesn't seem to cause any issues other
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// than printing test results twice
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if (fork() == 0) {
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auto code4 = (char*)shmat(shm, nullptr, SHM_EXEC);
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CHECK(test_shared(code3, code4, "fork_shmat_same_shmid") == 0);
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} else {
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int status;
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wait(&status);
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CHECK(WEXITSTATUS(status) == 0);
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}
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}
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