[src/trunk]: src/tests/lib/libc/sys Add a test to enable rerror handling.

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

details:   https://anonhg.NetBSD.org/src/rev/fe0d75a81e64
branches:  trunk
changeset: 994411:fe0d75a81e64
user:      christos <christos%NetBSD.org@localhost>
date:      Tue Nov 06 17:55:04 2018 +0000

description:
Add a test to enable rerror handling.

diffstat:

 tests/lib/libc/sys/t_sendrecv.c |  48 +++++++++++++++++++++++++++++++---------
 1 files changed, 37 insertions(+), 11 deletions(-)

diffs (102 lines):

diff -r 3902d321c09a -r fe0d75a81e64 tests/lib/libc/sys/t_sendrecv.c
--- a/tests/lib/libc/sys/t_sendrecv.c   Tue Nov 06 16:26:44 2018 +0000
+++ b/tests/lib/libc/sys/t_sendrecv.c   Tue Nov 06 17:55:04 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_sendrecv.c,v 1.4 2018/08/22 06:31:37 christos Exp $  */
+/*     $NetBSD: t_sendrecv.c,v 1.5 2018/11/06 17:55:04 christos Exp $  */
 
 /*-
  * Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: t_sendrecv.c,v 1.4 2018/08/22 06:31:37 christos Exp $");
+__RCSID("$NetBSD: t_sendrecv.c,v 1.5 2018/11/06 17:55:04 christos Exp $");
 
 #include <atf-c.h>
 #include <sys/types.h>
@@ -44,11 +44,6 @@
 #include <sched.h>
 #include <signal.h>
 
-ATF_TC(sendrecv_basic);
-ATF_TC_HEAD(sendrecv_basic, tc)
-{
-       atf_tc_set_md_var(tc, "descr", "A basic test of sendrecv(2)");
-}
 
 #define COUNT 100
 
@@ -78,7 +73,7 @@
                        continue;
                printf(">>%zd %d %ju\n", n, errno, p.seq);
                ATF_REQUIRE_MSG(errno == ENOBUFS, "send %s", strerror(errno));
-               sched_yield();
+//             sched_yield();
        }
        printf("sender done\n");
 }
@@ -110,17 +105,23 @@
        } while (p.seq < COUNT);
 }
 
-ATF_TC_BODY(sendrecv_basic, tc)
+static void
+sendrecv(int rerror)
 {
        int fd[2], error;
        struct sigaction sa;
 
-//     atf_tc_fail("does not terminate");
-
        error = socketpair(AF_UNIX, SOCK_DGRAM, 0, fd);
 //     error = pipe(fd);
        ATF_REQUIRE_MSG(error != -1, "socketpair failed (%s)", strerror(errno));
 
+       for (size_t i = 0; i < __arraycount(fd); i++) {
+               error = setsockopt(fd[i], SOL_SOCKET, SO_RERROR, &rerror,
+                   sizeof(rerror));
+               ATF_REQUIRE_MSG(error != -1,
+                   "setsockopt(SO_RERROR) failed (%s)", strerror(errno));
+       }
+
        memset(&sa, 0, sizeof(sa));
        sa.sa_flags = 0;
        sa.sa_handler = &handle_sigchld;
@@ -146,10 +147,35 @@
        }
 }
 
+ATF_TC(sendrecv_basic);
+
+ATF_TC_HEAD(sendrecv_basic, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "A basic test of send/recv(2)");
+}
+
+ATF_TC_BODY(sendrecv_basic, tc)
+{
+       sendrecv(0);
+}
+
+ATF_TC(sendrecv_rerror);
+
+ATF_TC_HEAD(sendrecv_rerror, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "Test send/recv(2) with receiver error");
+}
+
+ATF_TC_BODY(sendrecv_rerror, tc)
+{
+       sendrecv(1);
+}
+
 ATF_TP_ADD_TCS(tp)
 {
 
        ATF_TP_ADD_TC(tp, sendrecv_basic);
+       ATF_TP_ADD_TC(tp, sendrecv_rerror);
 
        return atf_no_error();
 }