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authorRoland McGrath <roland@gnu.org>2004-06-29 00:32:17 +0000
committerRoland McGrath <roland@gnu.org>2004-06-29 00:32:17 +0000
commit433006673a9b2ae73803965356db22cc7464e6b9 (patch)
tree45473c5131769e863aee5b77d3d6acfea617aa24 /posix/tst-waitid.c
parent346f18ae184514eacd3b90ae2e727dec0a3c34bb (diff)
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2004-06-19 Roland McGrath <roland@redhat.com>
* posix/tst-waitid.c: New file. * posix/Makefile (tests): Add it.
Diffstat (limited to 'posix/tst-waitid.c')
-rw-r--r--posix/tst-waitid.c284
1 files changed, 284 insertions, 0 deletions
diff --git a/posix/tst-waitid.c b/posix/tst-waitid.c
new file mode 100644
index 0000000000..406499c2fb
--- /dev/null
+++ b/posix/tst-waitid.c
@@ -0,0 +1,284 @@
+/* Tests for waitid.
+ Copyright (C) 2004 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <error.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <signal.h>
+
+#define TIMEOUT 15
+
+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
+
+static int
+do_test (int argc, char *argv[])
+{
+ pid_t pid = fork ();
+ if (pid < 0)
+ {
+ error (0, errno, "fork");
+ return EXIT_FAILURE;
+ }
+ else if (pid == 0)
+ {
+ test_child ();
+ _exit (127);
+ }
+
+ /* Give the child a chance to stop. */
+ sleep (2);
+
+ /* Now try a wait that should not succeed. */
+ siginfo_t info;
+ info.si_signo = 0; /* A successful call sets it to SIGCHLD. */
+ int fail = waitid (P_PID, pid, &info, WEXITED|WCONTINUED|WNOHANG);
+ switch (fail)
+ {
+ default:
+ error (0, 0, "waitid returned bogus value %d\n", fail);
+ return EXIT_FAILURE;
+ case -1:
+ error (0, errno, "waitid WNOHANG on stopped");
+ return errno == ENOTSUP ? EXIT_SUCCESS : EXIT_FAILURE;
+ case 0:
+ if (info.si_signo == 0)
+ break;
+ if (info.si_signo == SIGCHLD)
+ error (0, 0, "waitid WNOHANG on stopped status %d\n", info.si_status);
+ else
+ error (0, 0, "waitid WNOHANG on stopped signal %d\n", info.si_signo);
+ return EXIT_FAILURE;
+ }
+
+ /* Next the wait that should succeed right away. */
+ 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, WSTOPPED|WNOHANG);
+ switch (fail)
+ {
+ default:
+ error (0, 0, "waitid WSTOPPED|WNOHANG returned bogus value %d\n", fail);
+ return EXIT_FAILURE;
+ case -1:
+ error (0, errno, "waitid WSTOPPED|WNOHANG on stopped");
+ return errno == ENOTSUP ? EXIT_SUCCESS : EXIT_FAILURE;
+ case 0:
+ if (info.si_signo != SIGCHLD)
+ {
+ error (0, 0, "waitid WSTOPPED|WNOHANG on stopped signal %d\n",
+ info.si_signo);
+ return EXIT_FAILURE;
+ }
+ if (info.si_code != CLD_STOPPED)
+ {
+ error (0, 0, "waitid WSTOPPED|WNOHANG on stopped code %d\n",
+ info.si_code);
+ return EXIT_FAILURE;
+ }
+ if (info.si_status != SIGSTOP)
+ {
+ error (0, 0, "waitid WSTOPPED|WNOHANG on stopped status %d\n",
+ info.si_status);
+ return EXIT_FAILURE;
+ }
+ if (info.si_pid != pid)
+ {
+ error (0, 0, "waitid WSTOPPED|WNOHANG on stopped pid %d != %d\n",
+ info.si_pid, pid);
+ return EXIT_FAILURE;
+ }
+ }
+
+ if (kill (pid, SIGCONT) != 0)
+ {
+ error (0, errno, "kill (%d, SIGCONT)", pid);
+ return EXIT_FAILURE;
+ }
+
+ /* Wait for the child to have continued. */
+ sleep (2);
+
+#if 0
+ 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, WCONTINUED);
+ switch (fail)
+ {
+ default:
+ error (0, 0, "waitid WCONTINUED returned bogus value %d\n", fail);
+ return EXIT_FAILURE;
+ case -1:
+ error (0, errno, "waitid WCONTINUED on continued");
+ return errno == ENOTSUP ? EXIT_SUCCESS : EXIT_FAILURE;
+ case 0:
+ if (info.si_signo != SIGCHLD)
+ {
+ error (0, 0, "waitid WCONTINUED on continued signal %d\n",
+ info.si_signo);
+ return EXIT_FAILURE;
+ }
+ if (info.si_code != CLD_CONTINUED)
+ {
+ error (0, 0, "waitid WCONTINUED on continued code %d\n",
+ info.si_code);
+ return EXIT_FAILURE;
+ }
+ if (info.si_status != SIGCONT)
+ {
+ error (0, 0, "waitid WCONTINUED on continued status %d\n",
+ info.si_status);
+ return EXIT_FAILURE;
+ }
+ if (info.si_pid != pid)
+ {
+ error (0, 0, "waitid WCONTINUED on continued pid %d != %d\n",
+ info.si_pid, pid);
+ return EXIT_FAILURE;
+ }
+ }
+#endif
+
+ /* Die, child, die! */
+ if (kill (pid, SIGKILL) != 0)
+ {
+ error (0, errno, "kill (%d, SIGKILL)", pid);
+ return EXIT_FAILURE;
+ }
+
+#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:
+ error (0, 0, "waitid WNOWAIT returned bogus value %d\n", fail);
+ return EXIT_FAILURE;
+ case -1:
+ error (0, errno, "waitid WNOWAIT on killed");
+ return errno == ENOTSUP ? EXIT_SUCCESS : EXIT_FAILURE;
+ case 0:
+ if (info.si_signo != SIGCHLD)
+ {
+ error (0, 0, "waitid WNOWAIT on killed signal %d\n",
+ info.si_signo);
+ return EXIT_FAILURE;
+ }
+ if (info.si_code != CLD_KILLED)
+ {
+ error (0, 0, "waitid WNOWAIT on killed code %d\n",
+ info.si_code);
+ return EXIT_FAILURE;
+ }
+ if (info.si_status != SIGKILL)
+ {
+ error (0, 0, "waitid WNOWAIT on killed status %d\n",
+ info.si_status);
+ return EXIT_FAILURE;
+ }
+ if (info.si_pid != pid)
+ {
+ error (0, 0, "waitid WNOWAIT on killed pid %d != %d\n",
+ info.si_pid, pid);
+ return EXIT_FAILURE;
+ }
+ }
+#else
+ /* Allow enough time to be sure the child died; we didn't synchronize. */
+ sleep (2);
+#endif
+
+ 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:
+ error (0, 0, "waitid WNOHANG returned bogus value %d\n", fail);
+ return EXIT_FAILURE;
+ case -1:
+ error (0, errno, "waitid WNOHANG on killed");
+ return EXIT_FAILURE;
+ case 0:
+ if (info.si_signo != SIGCHLD)
+ {
+ error (0, 0, "waitid WNOHANG on killed signal %d\n",
+ info.si_signo);
+ return EXIT_FAILURE;
+ }
+ if (info.si_code != CLD_KILLED)
+ {
+ error (0, 0, "waitid WNOHANG on killed code %d\n",
+ info.si_code);
+ return EXIT_FAILURE;
+ }
+ if (info.si_status != SIGKILL)
+ {
+ error (0, 0, "waitid WNOHANG on killed status %d\n",
+ info.si_status);
+ return EXIT_FAILURE;
+ }
+ if (info.si_pid != pid)
+ {
+ error (0, 0, "waitid WNOHANG on killed pid %d != %d\n",
+ info.si_pid, pid);
+ return EXIT_FAILURE;
+ }
+ }
+
+ fail = waitid (P_PID, pid, &info, WEXITED);
+ if (fail == -1)
+ {
+ if (errno != ECHILD)
+ {
+ error (0, errno, "waitid WEXITED on killed");
+ return EXIT_FAILURE;
+ }
+ }
+ else
+ {
+ error (0, 0, "waitid WEXITED returned bogus value %d\n", fail);
+ return EXIT_FAILURE;
+ }
+
+ return EXIT_SUCCESS;
+}
+
+#include "../test-skeleton.c"