Hi Subrata,
Please accept below testcase patch for pid namespace.
Thanks,
Gowri
--
The pidns10.c testcase verifies inside the container, if kill(-1, sig)
fails with ESRCH when there are no processes in container
besides container-init.
Signed-off-by: Gowrishankar M <[email protected]>
Acked-by: Sukadev Bhattiprolu <[email protected]>
Index: ltp/testcases/kernel/containers/pidns/pidns10.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ ltp/testcases/kernel/containers/pidns/pidns10.c 2008-12-12
06:20:23.000000000 -0500
@@ -0,0 +1,133 @@
+/*
+* Copyright (c) International Business Machines Corp., 2007
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 2 of the License, or
+* (at your option) any later version.
+* This program 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 General Public License for more details.
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*
+***************************************************************************
+* File: pidns10.c
+* *
+* * Description:
+* * The pidns10.c testcase verifies inside the container, if kill(-1, signal)
+* * fails with ESRCH when there are no processes in container.
+* *
+* * Test Assertion & Strategy:
+* * Create a PID namespace container.
+* * Invoke kill(-1, SIGUSR1) inside container and check return code and error.
+* * kill() should have failed;except swapper & init, no process is inside.
+* *
+* * Usage: <for command-line>
+* * pidns10
+* *
+* * History:
+* * DATE NAME DESCRIPTION
+* * 13/11/08 Gowrishankar M Creation of this test.
+* * <[email protected]>
+*
+******************************************************************************/
+#define _GNU_SOURCE 1
+#include <sys/wait.h>
+#include <sys/types.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <errno.h>
+#include <usctest.h>
+#include <test.h>
+#include <libclone.h>
+
+char *TCID = "pidns10";
+int TST_TOTAL = 1;
+int errno;
+
+int child_fn(void *);
+void cleanup(void);
+
+#define CHILD_PID 1
+#define PARENT_PID 0
+
+/*
+ * child_fn() - Inside container
+ */
+int child_fn(void *arg)
+{
+ pid_t pid, ppid;
+
+ /* Set process id and parent pid */
+ pid = getpid();
+ ppid = getppid();
+ if (pid != CHILD_PID || ppid != PARENT_PID) {
+ tst_resm(TBROK, "cinit: pidns is not created.");
+ cleanup();
+ }
+
+ if (kill(-1, SIGUSR1) != -1) {
+ tst_resm(TFAIL, "cinit: kill(-1, sig) should have failed");
+ cleanup();
+ }
+
+ if (errno == ESRCH)
+ tst_resm(TPASS, "cinit: expected kill(-1, sig) failure.");
+ else
+ tst_resm(TFAIL, "cinit: kill(-1, sig) failure is not ESRCH, "
+ "but %s", strerror(errno));
+
+ /* cleanup and exit */
+ cleanup();
+ exit(0);
+}
+
+/***********************************************************************
+* M A I N
+***********************************************************************/
+
+int main(int argc, char *argv[])
+{
+ int status, ret;
+ pid_t pid;
+
+ pid = getpid();
+
+ /* Container creation on PID namespace */
+ ret = do_clone_unshare_test(T_CLONE,\
+ CLONE_NEWPID, child_fn, NULL);
+ if (ret != 0) {
+ tst_resm(TBROK, "parent: clone() failed. rc=%d(%s)",\
+ ret, strerror(errno));
+ /* Cleanup & continue with next test case */
+ cleanup();
+ }
+
+ sleep(1);
+ if (wait(&status) < 0)
+ tst_resm(TWARN, "parent: waitpid() failed.");
+
+ if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
+ tst_resm(TBROK, "parent: container was terminated by %s",\
+ strsignal(WTERMSIG(status)));
+
+ cleanup();
+ exit(0);
+} /* End main */
+
+/*
+ * cleanup() - performs all ONE TIME cleanup for this test at
+ * completion or premature exit.
+ */
+void cleanup()
+{
+ /* Clean the test testcase as LTP wants*/
+ TEST_CLEANUP;
+
+ /* exit with return code appropriate for results */
+ tst_exit();
+}
Index: ltp/testcases/kernel/containers/pidns/runpidnstest.sh
===================================================================
--- ltp.orig/testcases/kernel/containers/pidns/runpidnstest.sh 2008-12-12
06:19:54.000000000 -0500
+++ ltp/testcases/kernel/containers/pidns/runpidnstest.sh 2008-12-12
06:20:10.000000000 -0500
@@ -55,6 +55,12 @@
err_code=$rc
fi
+pidns10
+rc=$?
+if [ $rc -ne 0 ] && [ -z $err_code ]; then
+ err_code=$rc
+fi
+
# If any test failed then exit with the value error-code.
if ! [ -z $err_code ]; then
exit $err_code
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