Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
selftests/nolibc: Add coverage of vfork()
Generalise the existing fork() test to also cover the newly added vfork()
implementation.
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20250703-arm64-gcs-vfork-exit-v3-4-1e9a9d2ddbbe@kernel.org
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
authored by
Mark Brown
and committed by
Thomas Weißschuh
696bf157
fb476dfb
+19
-4
+19
-4
tools/testing/selftests/nolibc/nolibc-test.c
+19
-4
tools/testing/selftests/nolibc/nolibc-test.c
···
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return 0;
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}
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-
int test_fork(void)
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enum fork_type {
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FORK_STANDARD,
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FORK_VFORK,
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};
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int test_fork(enum fork_type type)
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{
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int status;
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pid_t pid;
···
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fflush(stdout);
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fflush(stderr);
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pid = fork();
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switch (type) {
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case FORK_STANDARD:
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pid = fork();
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break;
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case FORK_VFORK:
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pid = vfork();
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break;
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default:
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return 1;
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}
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switch (pid) {
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case -1:
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return 1;
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case 0:
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exit(123);
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_exit(123);
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default:
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pid = waitpid(pid, &status, 0);
···
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CASE_TEST(dup3_m1); tmp = dup3(-1, 100, 0); EXPECT_SYSER(1, tmp, -1, EBADF); if (tmp != -1) close(tmp); break;
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CASE_TEST(execve_root); EXPECT_SYSER(1, execve("/", (char*[]){ [0] = "/", [1] = NULL }, NULL), -1, EACCES); break;
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CASE_TEST(file_stream); EXPECT_SYSZR(1, test_file_stream()); break;
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CASE_TEST(fork); EXPECT_SYSZR(1, test_fork()); break;
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CASE_TEST(fork); EXPECT_SYSZR(1, test_fork(FORK_STANDARD)); break;
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CASE_TEST(getdents64_root); EXPECT_SYSNE(1, test_getdents64("/"), -1); break;
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CASE_TEST(getdents64_null); EXPECT_SYSER(1, test_getdents64("/dev/null"), -1, ENOTDIR); break;
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CASE_TEST(directories); EXPECT_SYSZR(proc, test_dirent()); break;
···
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CASE_TEST(uname_fault); EXPECT_SYSER(1, uname(NULL), -1, EFAULT); break;
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CASE_TEST(unlink_root); EXPECT_SYSER(1, unlink("/"), -1, EISDIR); break;
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CASE_TEST(unlink_blah); EXPECT_SYSER(1, unlink("/proc/self/blah"), -1, ENOENT); break;
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CASE_TEST(vfork); EXPECT_SYSZR(1, test_fork(FORK_VFORK)); break;
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CASE_TEST(wait_child); EXPECT_SYSER(1, wait(&tmp), -1, ECHILD); break;
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CASE_TEST(waitpid_min); EXPECT_SYSER(1, waitpid(INT_MIN, &tmp, WNOHANG), -1, ESRCH); break;
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CASE_TEST(waitpid_child); EXPECT_SYSER(1, waitpid(getpid(), &tmp, WNOHANG), -1, ECHILD); break;