posix: Add wait3 tests

The tst-wait4 is moved to common file and used for wait3
tests.

Checked on x86_64-linux-gnu and i686-linux-gnu.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>

1 files changed, 3 insertions, 190 deletions

diff --git a/posix/tst-wait4.c b/posix/tst-wait4.c
index e4ce79d..b7532d3 100644
--- a/posix/tst-wait4.c
+++ b/posix/tst-wait4.c
@@ -16,194 +16,7 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/wait.h>
-#include <sys/resource.h>
-#include <signal.h>
-#include <time.h>
-#include <stdatomic.h>
-#include <stdbool.h>
+#define WAIT_CALL(__pid, __wstatus, __options, __rusage) \
+   wait4 (__pid, __wstatus, __options, __rusage)
 
-#include <support/xsignal.h>
-#include <support/xunistd.h>
-#include <support/check.h>
-#include <support/process_state.h>
-
-static void
-test_child (void)
-{
-  /* First thing, we stop ourselves.  */
-  raise (SIGSTOP);
-
-  /* Hey, we got continued!  */
-  while (1)
-    pause ();
-}
-
-#ifndef WEXITED
-# define WEXITED        0
-# define WCONTINUED     0
-# define WSTOPPED       WUNTRACED
-#endif
-
-/* Set with only SIGCHLD on do_test_waitid.  */
-static sigset_t chldset;
-
-#ifdef SA_SIGINFO
-static void
-sigchld (int signo, siginfo_t *info, void *ctx)
-{
-}
-#endif
-
-static void
-check_sigchld (int code, int status, pid_t pid)
-{
-#ifdef SA_SIGINFO
-  siginfo_t siginfo;
-  TEST_COMPARE (sigwaitinfo (&chldset, &siginfo), SIGCHLD);
-
-  TEST_COMPARE (siginfo.si_signo, SIGCHLD);
-  TEST_COMPARE (siginfo.si_code, code);
-  TEST_COMPARE (siginfo.si_status, status);
-  TEST_COMPARE (siginfo.si_pid, pid);
-#endif
-}
-
-static int
-do_test_wait4 (pid_t pid)
-{
-  /* Adding process_state_tracing_stop ('t') allows the test to work under
-     trace programs such as ptrace.  */
-  enum support_process_state stop_state = support_process_state_stopped
-                                          | support_process_state_tracing_stop;
-
-  support_process_state_wait (pid, stop_state);
-
-  check_sigchld (CLD_STOPPED, SIGSTOP, pid);
-
-  pid_t ret;
-  int wstatus;
-  struct rusage rusage;
-
-  ret = wait4 (pid, &wstatus, WUNTRACED|WCONTINUED|WNOHANG, NULL);
-  if (ret == -1 && errno == ENOTSUP)
-    FAIL_RET ("waitid WNOHANG on stopped: %m");
-  TEST_COMPARE (ret, pid);
-  TEST_VERIFY (WIFSTOPPED (wstatus));
-
-  /* Issue again but with struct rusage input.  */
-  ret = wait4 (pid, &wstatus, WUNTRACED|WCONTINUED|WNOHANG, &rusage);
-  /* With WNOHANG and WUNTRACED, if the children has not changes its state
-     since previous call the expected result it 0.  */
-  TEST_COMPARE (ret, 0);
-
-  /* Some sanity tests to check if 'wtatus' and 'rusage' possible
-     input values.  */
-  ret = wait4 (pid, NULL, WUNTRACED|WCONTINUED|WNOHANG, &rusage);
-  TEST_COMPARE (ret, 0);
-  ret = wait4 (pid, NULL, WUNTRACED|WCONTINUED|WNOHANG, NULL);
-  TEST_COMPARE (ret, 0);
-
-  if (kill (pid, SIGCONT) != 0)
-    FAIL_RET ("kill (%d, SIGCONT): %m\n", pid);
-
-  /* Wait for the child to have continued.  */
-  support_process_state_wait (pid, support_process_state_sleeping);
-
-#if WCONTINUED != 0
-  check_sigchld (CLD_CONTINUED, SIGCONT, pid);
-
-  ret = wait4 (pid, &wstatus, WCONTINUED|WNOHANG, NULL);
-  TEST_COMPARE (ret, pid);
-  TEST_VERIFY (WIFCONTINUED (wstatus));
-
-  /* Issue again but with struct rusage input.  */
-  ret = wait4 (pid, &wstatus, WUNTRACED|WCONTINUED|WNOHANG, &rusage);
-  /* With WNOHANG and WUNTRACED, if the children has not changes its state
-     since previous call the expected result it 0.  */
-  TEST_COMPARE (ret, 0);
-
-  /* Now stop him again and test waitpid with WCONTINUED.  */
-  if (kill (pid, SIGSTOP) != 0)
-    FAIL_RET ("kill (%d, SIGSTOP): %m\n", pid);
-
-  /* Wait the child stop.  The waitid call below will block until it has
-     stopped, but if we are real quick and enter the waitid system call
-     before the SIGCHLD has been generated, then it will be discarded and
-     never delivered.  */
-  support_process_state_wait (pid, stop_state);
-
-  ret = wait4 (pid, &wstatus, WUNTRACED|WNOHANG, &rusage);
-  TEST_COMPARE (ret, pid);
-
-  check_sigchld (CLD_STOPPED, SIGSTOP, pid);
-
-  if (kill (pid, SIGCONT) != 0)
-    FAIL_RET ("kill (%d, SIGCONT): %m\n", pid);
-
-  /* Wait for the child to have continued.  */
-  support_process_state_wait (pid, support_process_state_sleeping);
-
-  check_sigchld (CLD_CONTINUED, SIGCONT, pid);
-
-  ret = wait4 (pid, &wstatus, WCONTINUED|WNOHANG, NULL);
-  TEST_COMPARE (ret, pid);
-  TEST_VERIFY (WIFCONTINUED (wstatus));
-#endif
-
-  /* Die, child, die!  */
-  if (kill (pid, SIGKILL) != 0)
-    FAIL_RET ("kill (%d, SIGKILL): %m\n", pid);
-
-  support_process_state_wait (pid, support_process_state_zombie);
-
-  ret = wait4 (pid, &wstatus, 0, &rusage);
-  TEST_COMPARE (ret, pid);
-  TEST_VERIFY (WIFSIGNALED (wstatus));
-  TEST_VERIFY (WTERMSIG (wstatus) == SIGKILL);
-
-  check_sigchld (CLD_KILLED, SIGKILL, pid);
-
-  return 0;
-}
-
-static int
-do_test (void)
-{
-#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 ();
-      _exit (127);
-    }
-
-  do_test_wait4 (pid);
-
-  xsignal (SIGCHLD, SIG_IGN);
-  kill (pid, SIGKILL);          /* Make sure it's dead if we bailed early.  */
-
-  return 0;
-}
-
-#include <support/test-driver.c>
+#include "tst-wait-skeleton.c"