mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-21 04:31:04 +08:00
106 lines
2.8 KiB
C
106 lines
2.8 KiB
C
/* Wait for process state tests.
|
|
Copyright (C) 2020-2024 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <stdio.h>
|
|
#include <sys/wait.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
|
|
#include <support/test-driver.h>
|
|
#include <support/process_state.h>
|
|
#include <support/check.h>
|
|
#include <support/xsignal.h>
|
|
#include <support/xunistd.h>
|
|
|
|
#ifndef WEXITED
|
|
# define WEXITED 0
|
|
#endif
|
|
|
|
static void
|
|
sigusr1_handler (int signo)
|
|
{
|
|
}
|
|
|
|
static void
|
|
test_child (void)
|
|
{
|
|
xsignal (SIGUSR1, sigusr1_handler);
|
|
|
|
raise (SIGSTOP);
|
|
|
|
TEST_COMPARE (pause (), -1);
|
|
TEST_COMPARE (errno, EINTR);
|
|
|
|
while (1)
|
|
asm ("");
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
pid_t pid = xfork ();
|
|
if (pid == 0)
|
|
{
|
|
test_child ();
|
|
_exit (127);
|
|
}
|
|
|
|
/* 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;
|
|
|
|
if (test_verbose)
|
|
printf ("info: waiting pid %d, state_stopped/state_tracing_stop\n",
|
|
(int) pid);
|
|
support_process_state_wait (pid, stop_state);
|
|
|
|
if (kill (pid, SIGCONT) != 0)
|
|
FAIL_RET ("kill (%d, SIGCONT): %m\n", pid);
|
|
|
|
if (test_verbose)
|
|
printf ("info: waiting pid %d, state_sleeping\n", (int) pid);
|
|
support_process_state_wait (pid, support_process_state_sleeping);
|
|
|
|
if (kill (pid, SIGUSR1) != 0)
|
|
FAIL_RET ("kill (%d, SIGUSR1): %m\n", pid);
|
|
|
|
if (test_verbose)
|
|
printf ("info: waiting pid %d, state_running\n", (int) pid);
|
|
support_process_state_wait (pid, support_process_state_running);
|
|
|
|
if (kill (pid, SIGKILL) != 0)
|
|
FAIL_RET ("kill (%d, SIGKILL): %m\n", pid);
|
|
|
|
if (test_verbose)
|
|
printf ("info: waiting pid %d, state_zombie\n", (int) pid);
|
|
support_process_state_wait (pid, support_process_state_zombie);
|
|
|
|
siginfo_t info;
|
|
int r = waitid (P_PID, pid, &info, WEXITED);
|
|
TEST_COMPARE (r, 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);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|