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posix: Refactor tst-waitid (BZ #14666)
The main changes are: - Adapt to libsupport. - Synchronize the signal handler using atomics. - Replace waitpid by waitid calls. - Use support_process_state_wait to wait for child state. - Add tests for P_PGID and P_ALL. - Use sigwaitinfo instead of global state set by the signal handler. Checked on x86_64-linux-gnu and i686-linux-gnu.
This commit is contained in:
Adhemerval Zanella
parent
dfe9aa9156
commit
b3b6a40ab9
@ -22,13 +22,20 @@
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#include <unistd.h>
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#include <sys/wait.h>
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#include <signal.h>
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#include <time.h>
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#include <stdatomic.h>
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#include <stdbool.h>
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#include <support/xsignal.h>
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#include <support/xunistd.h>
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#include <support/check.h>
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#include <support/process_state.h>
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static void
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test_child (void)
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test_child (bool setgroup)
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{
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/* Wait a second to be sure the parent set his variables before we
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produce a SIGCHLD. */
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sleep (1);
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if (setgroup)
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TEST_COMPARE (setpgid (0, 0), 0);
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/* First thing, we stop ourselves. */
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raise (SIGSTOP);
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@ -44,475 +51,225 @@ test_child (void)
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# define WSTOPPED WUNTRACED
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#endif
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static sig_atomic_t expecting_sigchld, spurious_sigchld;
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#ifdef SA_SIGINFO
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static siginfo_t sigchld_info;
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/* Set with only SIGCHLD on do_test_waitid. */
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static sigset_t chldset;
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#ifdef SA_SIGINFO
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static void
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sigchld (int signo, siginfo_t *info, void *ctx)
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{
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if (signo != SIGCHLD)
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{
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printf ("SIGCHLD handler got signal %d instead!\n", signo);
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_exit (EXIT_FAILURE);
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}
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if (! expecting_sigchld)
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{
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spurious_sigchld = 1;
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printf ("spurious SIGCHLD: signo %d code %d status %d pid %d\n",
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info->si_signo, info->si_code, info->si_status, info->si_pid);
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}
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else
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{
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sigchld_info = *info;
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expecting_sigchld = 0;
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}
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}
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#endif
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static void
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check_sigchld (const char *phase, int *ok, int code, int status, pid_t pid)
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{
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if (expecting_sigchld)
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{
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printf ("missing SIGCHLD on %s\n", phase);
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*ok = EXIT_FAILURE;
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expecting_sigchld = 0;
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return;
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}
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if (sigchld_info.si_signo != SIGCHLD)
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{
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printf ("SIGCHLD for %s signal %d\n", phase, sigchld_info.si_signo);
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*ok = EXIT_FAILURE;
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}
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if (sigchld_info.si_code != code)
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{
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printf ("SIGCHLD for %s code %d\n", phase, sigchld_info.si_code);
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*ok = EXIT_FAILURE;
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}
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if (sigchld_info.si_status != status)
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{
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printf ("SIGCHLD for %s status %d\n", phase, sigchld_info.si_status);
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*ok = EXIT_FAILURE;
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}
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if (sigchld_info.si_pid != pid)
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{
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printf ("SIGCHLD for %s pid %d\n", phase, sigchld_info.si_pid);
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*ok = EXIT_FAILURE;
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}
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}
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# define CHECK_SIGCHLD(phase, code_check, status_check) \
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check_sigchld ((phase), &status, (code_check), (status_check), pid)
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#else
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# define CHECK_SIGCHLD(phase, code, status) ((void) 0)
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#endif
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static int
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do_test (int argc, char *argv[])
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check_sigchld (int code, int status, pid_t pid)
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{
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#ifdef SA_SIGINFO
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struct sigaction sa;
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sa.sa_flags = SA_SIGINFO|SA_RESTART;
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sa.sa_sigaction = &sigchld;
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if (sigemptyset (&sa.sa_mask) < 0 || sigaction (SIGCHLD, &sa, NULL) < 0)
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{
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printf ("setting SIGCHLD handler: %m\n");
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return EXIT_FAILURE;
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}
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siginfo_t siginfo;
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TEST_COMPARE (sigwaitinfo (&chldset, &siginfo), SIGCHLD);
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TEST_COMPARE (siginfo.si_signo, SIGCHLD);
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TEST_COMPARE (siginfo.si_code, code);
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TEST_COMPARE (siginfo.si_status, status);
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TEST_COMPARE (siginfo.si_pid, pid);
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#endif
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expecting_sigchld = 1;
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pid_t pid = fork ();
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if (pid < 0)
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{
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printf ("fork: %m\n");
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return EXIT_FAILURE;
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}
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else if (pid == 0)
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{
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test_child ();
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_exit (127);
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}
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int status = EXIT_SUCCESS;
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#define RETURN(ok) \
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do { if (status == EXIT_SUCCESS) status = (ok); goto out; } while (0)
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static int
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do_test_waitd_common (idtype_t type, pid_t pid)
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{
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/* Adding process_state_tracing_stop ('t') allows the test to work under
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trace programs such as ptrace. */
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enum support_process_state stop_state = support_process_state_stopped
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| support_process_state_tracing_stop;
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/* Give the child a chance to stop. */
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sleep (3);
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support_process_state_wait (pid, stop_state);
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CHECK_SIGCHLD ("stopped (before waitid)", CLD_STOPPED, SIGSTOP);
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check_sigchld (CLD_STOPPED, SIGSTOP, pid);
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/* Now try a wait that should not succeed. */
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siginfo_t info;
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int fail;
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info.si_signo = 0; /* A successful call sets it to SIGCHLD. */
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int fail = waitid (P_PID, pid, &info, WEXITED|WCONTINUED|WNOHANG);
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switch (fail)
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{
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default:
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printf ("waitid returned bogus value %d\n", fail);
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RETURN (EXIT_FAILURE);
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case -1:
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printf ("waitid WNOHANG on stopped: %m\n");
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RETURN (errno == ENOTSUP ? EXIT_SUCCESS : EXIT_FAILURE);
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case 0:
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if (info.si_signo == 0)
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break;
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if (info.si_signo == SIGCHLD)
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printf ("waitid WNOHANG on stopped status %d\n", info.si_status);
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else
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printf ("waitid WNOHANG on stopped signal %d\n", info.si_signo);
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RETURN (EXIT_FAILURE);
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}
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fail = waitid (P_PID, pid, &info, WEXITED|WCONTINUED|WNOHANG);
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if (fail == -1 && errno == ENOTSUP)
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FAIL_RET ("waitid WNOHANG on stopped: %m");
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TEST_COMPARE (fail, 0);
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TEST_COMPARE (info.si_signo, 0);
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/* Next the wait that should succeed right away. */
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info.si_signo = 0; /* A successful call sets it to SIGCHLD. */
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info.si_pid = -1;
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info.si_status = -1;
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fail = waitid (P_PID, pid, &info, WSTOPPED|WNOHANG);
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switch (fail)
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{
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default:
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printf ("waitid WSTOPPED|WNOHANG returned bogus value %d\n", fail);
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RETURN (EXIT_FAILURE);
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case -1:
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printf ("waitid WSTOPPED|WNOHANG on stopped: %m\n");
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RETURN (errno == ENOTSUP ? EXIT_SUCCESS : EXIT_FAILURE);
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case 0:
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if (info.si_signo != SIGCHLD)
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{
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printf ("waitid WSTOPPED|WNOHANG on stopped signal %d\n",
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info.si_signo);
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RETURN (EXIT_FAILURE);
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}
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if (info.si_code != CLD_STOPPED)
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{
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printf ("waitid WSTOPPED|WNOHANG on stopped code %d\n",
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info.si_code);
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RETURN (EXIT_FAILURE);
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}
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if (info.si_status != SIGSTOP)
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{
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printf ("waitid WSTOPPED|WNOHANG on stopped status %d\n",
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info.si_status);
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RETURN (EXIT_FAILURE);
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}
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if (info.si_pid != pid)
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{
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printf ("waitid WSTOPPED|WNOHANG on stopped pid %d != %d\n",
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info.si_pid, pid);
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RETURN (EXIT_FAILURE);
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}
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}
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expecting_sigchld = WCONTINUED != 0;
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if (fail == -1 && errno == ENOTSUP)
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FAIL_RET ("waitid WNOHANG on stopped: %m");
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TEST_COMPARE (fail, 0);
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TEST_COMPARE (info.si_signo, SIGCHLD);
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TEST_COMPARE (info.si_code, CLD_STOPPED);
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TEST_COMPARE (info.si_status, SIGSTOP);
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TEST_COMPARE (info.si_pid, pid);
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if (kill (pid, SIGCONT) != 0)
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{
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printf ("kill (%d, SIGCONT): %m\n", pid);
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RETURN (EXIT_FAILURE);
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}
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FAIL_RET ("kill (%d, SIGCONT): %m\n", pid);
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/* Wait for the child to have continued. */
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sleep (2);
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support_process_state_wait (pid, support_process_state_sleeping);
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#if WCONTINUED != 0
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if (expecting_sigchld)
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{
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printf ("no SIGCHLD seen for SIGCONT (optional)\n");
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expecting_sigchld = 0;
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}
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else
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CHECK_SIGCHLD ("continued (before waitid)", CLD_CONTINUED, SIGCONT);
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check_sigchld (CLD_CONTINUED, SIGCONT, pid);
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info.si_signo = 0; /* A successful call sets it to SIGCHLD. */
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info.si_pid = -1;
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info.si_status = -1;
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fail = waitid (P_PID, pid, &info, WCONTINUED|WNOWAIT);
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switch (fail)
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{
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default:
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printf ("waitid WCONTINUED|WNOWAIT returned bogus value %d\n", fail);
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RETURN (EXIT_FAILURE);
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case -1:
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printf ("waitid WCONTINUED|WNOWAIT on continued: %m\n");
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RETURN (errno == ENOTSUP ? EXIT_SUCCESS : EXIT_FAILURE);
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case 0:
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if (info.si_signo != SIGCHLD)
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{
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printf ("waitid WCONTINUED|WNOWAIT on continued signal %d\n",
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info.si_signo);
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RETURN (EXIT_FAILURE);
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}
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if (info.si_code != CLD_CONTINUED)
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{
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printf ("waitid WCONTINUED|WNOWAIT on continued code %d\n",
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info.si_code);
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RETURN (EXIT_FAILURE);
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}
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if (info.si_status != SIGCONT)
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{
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printf ("waitid WCONTINUED|WNOWAIT on continued status %d\n",
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info.si_status);
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RETURN (EXIT_FAILURE);
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}
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if (info.si_pid != pid)
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{
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printf ("waitid WCONTINUED|WNOWAIT on continued pid %d != %d\n",
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info.si_pid, pid);
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RETURN (EXIT_FAILURE);
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}
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}
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if (fail == -1 && errno == ENOTSUP)
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FAIL_RET ("waitid WCONTINUED|WNOWAIT on continued: %m");
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TEST_COMPARE (fail, 0);
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TEST_COMPARE (info.si_signo, SIGCHLD);
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TEST_COMPARE (info.si_code, CLD_CONTINUED);
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TEST_COMPARE (info.si_status, SIGCONT);
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TEST_COMPARE (info.si_pid, pid);
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/* That should leave the CLD_CONTINUED state waiting to be seen again. */
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info.si_signo = 0; /* A successful call sets it to SIGCHLD. */
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info.si_pid = -1;
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info.si_status = -1;
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fail = waitid (P_PID, pid, &info, WCONTINUED);
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switch (fail)
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{
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default:
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printf ("waitid WCONTINUED returned bogus value %d\n", fail);
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RETURN (EXIT_FAILURE);
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case -1:
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printf ("waitid WCONTINUED on continued: %m\n");
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RETURN (errno == ENOTSUP ? EXIT_SUCCESS : EXIT_FAILURE);
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case 0:
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if (info.si_signo != SIGCHLD)
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{
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printf ("waitid WCONTINUED on continued signal %d\n", info.si_signo);
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RETURN (EXIT_FAILURE);
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}
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if (info.si_code != CLD_CONTINUED)
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{
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printf ("waitid WCONTINUED on continued code %d\n", info.si_code);
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RETURN (EXIT_FAILURE);
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}
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if (info.si_status != SIGCONT)
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{
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printf ("waitid WCONTINUED on continued status %d\n",
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info.si_status);
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RETURN (EXIT_FAILURE);
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}
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if (info.si_pid != pid)
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{
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printf ("waitid WCONTINUED on continued pid %d != %d\n",
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info.si_pid, pid);
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RETURN (EXIT_FAILURE);
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}
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}
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if (fail == -1 && errno == ENOTSUP)
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FAIL_RET ("waitid WCONTINUED on continued: %m");
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TEST_COMPARE (fail, 0);
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TEST_COMPARE (info.si_signo, SIGCHLD);
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TEST_COMPARE (info.si_code, CLD_CONTINUED);
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TEST_COMPARE (info.si_status, SIGCONT);
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TEST_COMPARE (info.si_pid, pid);
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/* Now try a wait that should not succeed. */
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info.si_signo = 0; /* A successful call sets it to SIGCHLD. */
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fail = waitid (P_PID, pid, &info, WCONTINUED|WNOHANG);
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switch (fail)
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{
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default:
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printf ("waitid returned bogus value %d\n", fail);
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RETURN (EXIT_FAILURE);
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case -1:
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printf ("waitid WCONTINUED|WNOHANG on waited continued: %m\n");
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RETURN (errno == ENOTSUP ? EXIT_SUCCESS : EXIT_FAILURE);
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case 0:
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if (info.si_signo == 0)
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break;
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if (info.si_signo == SIGCHLD)
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printf ("waitid WCONTINUED|WNOHANG on waited continued status %d\n",
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info.si_status);
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else
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printf ("waitid WCONTINUED|WNOHANG on waited continued signal %d\n",
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info.si_signo);
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RETURN (EXIT_FAILURE);
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}
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if (fail == -1 && errno == ENOTSUP)
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FAIL_RET ("waitid WCONTINUED|WNOHANG on waited continued: %m");
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TEST_COMPARE (fail, 0);
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TEST_COMPARE (info.si_signo, 0);
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/* Now stop him again and test waitpid with WCONTINUED. */
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expecting_sigchld = 1;
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if (kill (pid, SIGSTOP) != 0)
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{
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printf ("kill (%d, SIGSTOP): %m\n", pid);
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RETURN (EXIT_FAILURE);
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}
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FAIL_RET ("kill (%d, SIGSTOP): %m\n", pid);
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/* Give the child a chance to stop. The waitpid call below will block
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until it has stopped, but if we are real quick and enter the waitpid
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system call before the SIGCHLD has been generated, then it will be
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discarded and never delivered. */
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sleep (3);
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/* Wait the child stop. The waitid call below will block until it has
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stopped, but if we are real quick and enter the waitid system call
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before the SIGCHLD has been generated, then it will be discarded and
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never delivered. */
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support_process_state_wait (pid, stop_state);
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pid_t wpid = waitpid (pid, &fail, WUNTRACED);
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if (wpid < 0)
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{
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printf ("waitpid WUNTRACED on stopped: %m\n");
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RETURN (EXIT_FAILURE);
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}
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else if (wpid != pid)
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{
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printf ("waitpid WUNTRACED on stopped returned %d != %d (status %x)\n",
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wpid, pid, fail);
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RETURN (EXIT_FAILURE);
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}
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else if (!WIFSTOPPED (fail) || WIFSIGNALED (fail) || WIFEXITED (fail)
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|| WIFCONTINUED (fail) || WSTOPSIG (fail) != SIGSTOP)
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{
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printf ("waitpid WUNTRACED on stopped: status %x\n", fail);
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RETURN (EXIT_FAILURE);
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}
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CHECK_SIGCHLD ("stopped (after waitpid)", CLD_STOPPED, SIGSTOP);
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fail = waitid (type, pid, &info, WEXITED|WSTOPPED);
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TEST_COMPARE (fail, 0);
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TEST_COMPARE (info.si_signo, SIGCHLD);
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TEST_COMPARE (info.si_code, CLD_STOPPED);
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TEST_COMPARE (info.si_status, SIGSTOP);
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TEST_COMPARE (info.si_pid, pid);
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check_sigchld (CLD_STOPPED, SIGSTOP, pid);
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expecting_sigchld = 1;
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if (kill (pid, SIGCONT) != 0)
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{
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printf ("kill (%d, SIGCONT): %m\n", pid);
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RETURN (EXIT_FAILURE);
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}
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FAIL_RET ("kill (%d, SIGCONT): %m\n", pid);
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/* Wait for the child to have continued. */
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sleep (2);
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support_process_state_wait (pid, support_process_state_sleeping);
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if (expecting_sigchld)
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{
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printf ("no SIGCHLD seen for SIGCONT (optional)\n");
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expecting_sigchld = 0;
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}
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else
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CHECK_SIGCHLD ("continued (before waitpid)", CLD_CONTINUED, SIGCONT);
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check_sigchld (CLD_CONTINUED, SIGCONT, pid);
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wpid = waitpid (pid, &fail, WCONTINUED);
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if (wpid < 0)
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{
|
||||
if (errno == EINVAL)
|
||||
printf ("waitpid does not support WCONTINUED\n");
|
||||
else
|
||||
{
|
||||
printf ("waitpid WCONTINUED on continued: %m\n");
|
||||
RETURN (EXIT_FAILURE);
|
||||
}
|
||||
}
|
||||
else if (wpid != pid)
|
||||
{
|
||||
printf ("\
|
||||
waitpid WCONTINUED on continued returned %d != %d (status %x)\n",
|
||||
wpid, pid, fail);
|
||||
RETURN (EXIT_FAILURE);
|
||||
}
|
||||
else if (WIFSTOPPED (fail) || WIFSIGNALED (fail) || WIFEXITED (fail)
|
||||
|| !WIFCONTINUED (fail))
|
||||
{
|
||||
printf ("waitpid WCONTINUED on continued: status %x\n", fail);
|
||||
RETURN (EXIT_FAILURE);
|
||||
}
|
||||
fail = waitid (type, pid, &info, WCONTINUED);
|
||||
TEST_COMPARE (fail, 0);
|
||||
TEST_COMPARE (info.si_signo, SIGCHLD);
|
||||
TEST_COMPARE (info.si_code, CLD_CONTINUED);
|
||||
TEST_COMPARE (info.si_status, SIGCONT);
|
||||
TEST_COMPARE (info.si_pid, pid);
|
||||
#endif
|
||||
|
||||
expecting_sigchld = 1;
|
||||
|
||||
/* Die, child, die! */
|
||||
if (kill (pid, SIGKILL) != 0)
|
||||
{
|
||||
printf ("kill (%d, SIGKILL): %m\n", pid);
|
||||
RETURN (EXIT_FAILURE);
|
||||
}
|
||||
FAIL_RET ("kill (%d, SIGKILL): %m\n", pid);
|
||||
|
||||
#ifdef WNOWAIT
|
||||
info.si_signo = 0; /* A successful call sets it to SIGCHLD. */
|
||||
info.si_pid = -1;
|
||||
info.si_status = -1;
|
||||
fail = waitid (P_PID, pid, &info, WEXITED|WNOWAIT);
|
||||
switch (fail)
|
||||
{
|
||||
default:
|
||||
printf ("waitid WNOWAIT returned bogus value %d\n", fail);
|
||||
RETURN (EXIT_FAILURE);
|
||||
case -1:
|
||||
printf ("waitid WNOWAIT on killed: %m\n");
|
||||
RETURN (errno == ENOTSUP ? EXIT_SUCCESS : EXIT_FAILURE);
|
||||
case 0:
|
||||
if (info.si_signo != SIGCHLD)
|
||||
{
|
||||
printf ("waitid WNOWAIT on killed signal %d\n", info.si_signo);
|
||||
RETURN (EXIT_FAILURE);
|
||||
}
|
||||
if (info.si_code != CLD_KILLED)
|
||||
{
|
||||
printf ("waitid WNOWAIT on killed code %d\n", info.si_code);
|
||||
RETURN (EXIT_FAILURE);
|
||||
}
|
||||
if (info.si_status != SIGKILL)
|
||||
{
|
||||
printf ("waitid WNOWAIT on killed status %d\n", info.si_status);
|
||||
RETURN (EXIT_FAILURE);
|
||||
}
|
||||
if (info.si_pid != pid)
|
||||
{
|
||||
printf ("waitid WNOWAIT on killed pid %d != %d\n", info.si_pid, pid);
|
||||
RETURN (EXIT_FAILURE);
|
||||
}
|
||||
}
|
||||
fail = waitid (type, pid, &info, WEXITED|WNOWAIT);
|
||||
if (fail == -1 && errno == ENOTSUP)
|
||||
FAIL_RET ("waitid WNOHANG on killed: %m");
|
||||
TEST_COMPARE (fail, 0);
|
||||
TEST_COMPARE (info.si_signo, SIGCHLD);
|
||||
TEST_COMPARE (info.si_code, CLD_KILLED);
|
||||
TEST_COMPARE (info.si_status, SIGKILL);
|
||||
TEST_COMPARE (info.si_pid, pid);
|
||||
#else
|
||||
/* Allow enough time to be sure the child died; we didn't synchronize. */
|
||||
sleep (2);
|
||||
support_process_state_wait (pid, support_process_state_zombie);
|
||||
#endif
|
||||
|
||||
CHECK_SIGCHLD ("killed", CLD_KILLED, SIGKILL);
|
||||
check_sigchld (CLD_KILLED, SIGKILL, pid);
|
||||
|
||||
info.si_signo = 0; /* A successful call sets it to SIGCHLD. */
|
||||
info.si_pid = -1;
|
||||
info.si_status = -1;
|
||||
fail = waitid (P_PID, pid, &info, WEXITED|WNOHANG);
|
||||
switch (fail)
|
||||
{
|
||||
default:
|
||||
printf ("waitid WNOHANG returned bogus value %d\n", fail);
|
||||
RETURN (EXIT_FAILURE);
|
||||
case -1:
|
||||
printf ("waitid WNOHANG on killed: %m\n");
|
||||
RETURN (EXIT_FAILURE);
|
||||
case 0:
|
||||
if (info.si_signo != SIGCHLD)
|
||||
{
|
||||
printf ("waitid WNOHANG on killed signal %d\n", info.si_signo);
|
||||
RETURN (EXIT_FAILURE);
|
||||
}
|
||||
if (info.si_code != CLD_KILLED)
|
||||
{
|
||||
printf ("waitid WNOHANG on killed code %d\n", info.si_code);
|
||||
RETURN (EXIT_FAILURE);
|
||||
}
|
||||
if (info.si_status != SIGKILL)
|
||||
{
|
||||
printf ("waitid WNOHANG on killed status %d\n", info.si_status);
|
||||
RETURN (EXIT_FAILURE);
|
||||
}
|
||||
if (info.si_pid != pid)
|
||||
{
|
||||
printf ("waitid WNOHANG on killed pid %d != %d\n", info.si_pid, pid);
|
||||
RETURN (EXIT_FAILURE);
|
||||
}
|
||||
}
|
||||
fail = waitid (type, pid, &info, WEXITED | WNOHANG);
|
||||
TEST_COMPARE (fail, 0);
|
||||
TEST_COMPARE (info.si_signo, SIGCHLD);
|
||||
TEST_COMPARE (info.si_code, CLD_KILLED);
|
||||
TEST_COMPARE (info.si_status, SIGKILL);
|
||||
TEST_COMPARE (info.si_pid, pid);
|
||||
|
||||
fail = waitid (P_PID, pid, &info, WEXITED);
|
||||
if (fail == -1)
|
||||
{
|
||||
if (errno != ECHILD)
|
||||
{
|
||||
printf ("waitid WEXITED on killed: %m\n");
|
||||
RETURN (EXIT_FAILURE);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
printf ("waitid WEXITED returned bogus value %d\n", fail);
|
||||
RETURN (EXIT_FAILURE);
|
||||
TEST_COMPARE (fail, -1);
|
||||
TEST_COMPARE (errno, ECHILD);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#undef RETURN
|
||||
out:
|
||||
if (spurious_sigchld)
|
||||
status = EXIT_FAILURE;
|
||||
signal (SIGCHLD, SIG_IGN);
|
||||
static int
|
||||
do_test_waitid (idtype_t type)
|
||||
{
|
||||
#ifdef SA_SIGINFO
|
||||
{
|
||||
struct sigaction sa;
|
||||
sa.sa_flags = SA_SIGINFO | SA_RESTART;
|
||||
sa.sa_sigaction = sigchld;
|
||||
sigemptyset (&sa.sa_mask);
|
||||
xsigaction (SIGCHLD, &sa, NULL);
|
||||
}
|
||||
#endif
|
||||
|
||||
sigemptyset (&chldset);
|
||||
sigaddset (&chldset, SIGCHLD);
|
||||
|
||||
/* The SIGCHLD shall has blocked at the time of the call to sigwait;
|
||||
otherwise, the behavior is undefined. */
|
||||
sigprocmask (SIG_BLOCK, &chldset, NULL);
|
||||
|
||||
pid_t pid = xfork ();
|
||||
if (pid == 0)
|
||||
{
|
||||
test_child (type == P_PGID || type == P_ALL);
|
||||
_exit (127);
|
||||
}
|
||||
|
||||
int ret = do_test_waitd_common (type, pid);
|
||||
|
||||
xsignal (SIGCHLD, SIG_IGN);
|
||||
kill (pid, SIGKILL); /* Make sure it's dead if we bailed early. */
|
||||
return status;
|
||||
return ret;
|
||||
}
|
||||
|
||||
#include "../test-skeleton.c"
|
||||
static int
|
||||
do_test (void)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
ret |= do_test_waitid (P_PID);
|
||||
ret |= do_test_waitid (P_PGID);
|
||||
ret |= do_test_waitid (P_ALL);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
#include <support/test-driver.c>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user