selftests/clone3: flush stdout and stderr before clone3() and _exit() (4f5c289e) · Commits · 戴 / test

tools/testing/selftests/clone3/clone3_selftests.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -29,6 +29,8 @@ struct clone_args {

		static pid_t sys_clone3(struct clone_args *args, size_t size)
		{
		fflush(stdout);
		fflush(stderr);
		return syscall(__NR_clone3, args, size);
		}

+11 −4

Original line number	Diff line number	Diff line
		@@ -30,6 +30,13 @@
		static int pipe_1[2];
		static int pipe_2[2];

		static void child_exit(int ret)
		{
		fflush(stdout);
		fflush(stderr);
		_exit(ret);
		}

		static int call_clone3_set_tid(pid_t *set_tid,
		size_t set_tid_size,
		int flags,
		@@ -84,8 +91,8 @@ static int call_clone3_set_tid(pid_t *set_tid,
		}

		if (set_tid[0] != getpid())
		_exit(EXIT_FAILURE);
		_exit(exit_code);
		child_exit(EXIT_FAILURE);
		child_exit(exit_code);
		}

		if (expected_pid == 0 \|\| expected_pid == pid) {
		@@ -249,7 +256,7 @@ int main(int argc, char *argv[])
		pid = fork();
		if (pid == 0) {
		ksft_print_msg("Child has PID %d\n", getpid());
		_exit(EXIT_SUCCESS);
		child_exit(EXIT_SUCCESS);
		}
		if (waitpid(pid, &status, 0) < 0)
		ksft_exit_fail_msg("Waiting for child %d failed", pid);
		@@ -309,7 +316,7 @@ int main(int argc, char *argv[])
		*/
		test_clone3_set_tid(set_tid, 3, CLONE_NEWPID, 0, 42, true);

		_exit(ksft_cnt.ksft_pass);
		child_exit(ksft_cnt.ksft_pass);
		}

		close(pipe_1[1]);