[src/trunk]: src/tests/lib/libc/gen Add also a simplistic stress unit test.

[jruoho <jruoho%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6f62b314578c
branches:  trunk
changeset: 764880:6f62b314578c
user:      jruoho <jruoho%NetBSD.org@localhost>
date:      Tue May 10 12:43:42 2011 +0000

description:
Add also a simplistic stress unit test.

diffstat:

 tests/lib/libc/gen/t_raise.c |  38 ++++++++++++++++++++++++++++++++++++--
 1 files changed, 36 insertions(+), 2 deletions(-)

diffs (76 lines):

diff -r a5391864d325 -r 6f62b314578c tests/lib/libc/gen/t_raise.c
--- a/tests/lib/libc/gen/t_raise.c      Tue May 10 12:16:18 2011 +0000
+++ b/tests/lib/libc/gen/t_raise.c      Tue May 10 12:43:42 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_raise.c,v 1.4 2011/05/09 09:27:37 jruoho Exp $ */
+/*     $NetBSD: t_raise.c,v 1.5 2011/05/10 12:43:42 jruoho Exp $ */
 
 /*-
  * Copyright (c) 2011 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: t_raise.c,v 1.4 2011/05/09 09:27:37 jruoho Exp $");
+__RCSID("$NetBSD: t_raise.c,v 1.5 2011/05/10 12:43:42 jruoho Exp $");
 
 #include <atf-c.h>
 
@@ -39,11 +39,19 @@
 #include <unistd.h>
 
 static bool    fail;
+static int     count;
 static void    handler_err(int);
 static void    handler_ret(int);
+static void    handler_stress(int);
 static int     sig[] = { SIGALRM, SIGIO, SIGUSR1, SIGUSR2, SIGPWR };
 
 static void
+handler_stress(int signo)
+{
+       count++;
+}
+
+static void
 handler_err(int signo)
 {
        size_t i;
@@ -146,11 +154,37 @@
        }
 }
 
+ATF_TC(raise_stress);
+ATF_TC_HEAD(raise_stress, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "A basic stress test with raise(3)");
+}
+
+ATF_TC_BODY(raise_stress, tc)
+{
+       static const int maxiter = 1000 * 10;
+       struct sigaction sa;
+       int i;
+
+       sa.sa_flags = 0;
+       sa.sa_handler = handler_stress;
+
+       ATF_REQUIRE(sigemptyset(&sa.sa_mask) == 0);
+       ATF_REQUIRE(sigaction(SIGUSR1, &sa, 0) == 0);
+
+       for (count = i = 0; i < maxiter; i++)
+               (void)raise(SIGUSR1);
+
+       if (count != maxiter)
+               atf_tc_fail("not all signals were catched");
+}
+
 ATF_TP_ADD_TCS(tp)
 {
        ATF_TP_ADD_TC(tp, raise_err);
        ATF_TP_ADD_TC(tp, raise_ret);
        ATF_TP_ADD_TC(tp, raise_sig);
+       ATF_TP_ADD_TC(tp, raise_stress);
 
        return atf_no_error();
 }