Random number generation hang test.

tests/randomtest/Makefile

@@ -0,0 +1,5 @@
+PROG=		randomtest
+
+RUMPLIBS=	-lrumpvfs -lrumpdev_rnd -lrumpdev -lrumpuser
+
+.include <bsd.prog.mk>

tests/randomtest/randomtest.c

@@ -0,0 +1,28 @@
+#include "common.c"
+
+#include <unistd.h>
+
+#include <rump/rump.h>
+#include <rump/rump_syscalls.h>
+
+int
+main()
+{
+	unsigned i;
+	int fd;
+	unsigned char buf[32];
+	ssize_t nread;
+
+	rump_init();
+	for (i = 0; i < 10000; i++) {
+		(void)alarm(2);
+		if ((fd = rump_sys_open("/dev/random", RUMP_O_RDONLY)) == -1)
+			die("open /dev/random");
+		if ((nread = rump_sys_read(fd, buf, sizeof buf)) == -1)
+			die("read");
+		(void)rump_sys_close(fd);
+	}
+	rump_sys_reboot(0, NULL);
+
+	return 0;
+}

tests/testrump.sh

@@ -108,9 +108,20 @@ dodynamic ()
 	fi
 }
 
+dorandomtest ()
+{
+
+	printf 'Random number generation ... '
+	if ./randomtest; then
+		echo done
+	else
+		die failed: $?
+	fi
+}
+
 ALLTESTS="init fstest fstest_img simpleclient
 	nettest_simple nettest_simple6 nettest_routed nettest_routed6
-	dynamic"
+	dynamic randomtest"
 
 alltests ()
 {