PERFORCE change 156341 for review

[Robert Watson]

http://perforce.freebsd.org/chv.cgi?CH=156341

Change 156341 by rwatson at rwatson_freebsd_capabilities on 2009/01/18 18:10:56

	Regression test to make sure that pdfork(2)-generated processes
	aren't visible using waitpid(2).

Affected files ...

.. //depot/projects/trustedbsd/capabilities/src/tools/regression/procdesc/procdesc_test.c#4 edit

Differences ...

==== //depot/projects/trustedbsd/capabilities/src/tools/regression/procdesc/procdesc_test.c#4 (text+ko) ====

@@ -30,14 +30,16 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $P4: //depot/projects/trustedbsd/capabilities/src/tools/regression/procdesc/procdesc_test.c#3 $
+ * $P4: //depot/projects/trustedbsd/capabilities/src/tools/regression/procdesc/procdesc_test.c#4 $
  */
 
 #include <sys/types.h>
 #include <sys/procdesc.h>
 #include <sys/stat.h>
+#include <sys/wait.h>
 
 #include <err.h>
+#include <errno.h>
 #include <fcntl.h>
 #include <signal.h>
 #include <stdio.h>
@@ -171,5 +173,22 @@
 		close(fd);
 	}
 
+	printf("4. Confirm pdfork() process isn't visible to waitpid()\n");
+
+	realpid = pdfork(&fd);
+	if (realpid < 0)
+		err(-1, "pdfork");
+	if (realpid == 0) {
+		if (execve(sleep_argv[0], sleep_argv, environ) < 0)
+			err(-1, "%s", sleep_argv[0]);
+	} else {
+		sleep(10);
+		pid = waitpid(realpid, NULL, 0);
+		if (pid >= 0)
+			errx(-1, "waitpid unexpectedly returned %d", pid);
+		if (errno != ECHILD)
+			err(-1, "waitpid unexpected error %d", errno);
+	}
+
 	exit(0);
 }