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should terminate and does with ktrace, but it does not normally.

This commit is contained in:
christos 2018-08-21 11:03:27 +00:00
parent fd6a62a9fd
commit 1cd154f24d
1 changed files with 33 additions and 15 deletions
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48
tests/lib/libc/sys/t_sendrecv.c
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@ -1,4 +1,4 @@
/* $NetBSD: t_sendrecv.c,v 1.1 2018/08/21 10:41:00 christos Exp $ */
/* $NetBSD: t_sendrecv.c,v 1.2 2018/08/21 11:03:27 christos Exp $ */
/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
@ -15,13 +15,6 @@
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
@ -36,7 +29,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: t_sendrecv.c,v 1.1 2018/08/21 10:41:00 christos Exp $");
__RCSID("$NetBSD: t_sendrecv.c,v 1.2 2018/08/21 11:03:27 christos Exp $");
#include <atf-c.h>
#include <sys/types.h>
@ -49,6 +42,7 @@ __RCSID("$NetBSD: t_sendrecv.c,v 1.1 2018/08/21 10:41:00 christos Exp $");
#include <stdlib.h>
#include <unistd.h>
#include <sched.h>
#include <signal.h>
ATF_TC(sendrecv_basic);
ATF_TC_HEAD(sendrecv_basic, tc)
@ -56,13 +50,22 @@ ATF_TC_HEAD(sendrecv_basic, tc)
atf_tc_set_md_var(tc, "descr", "A basic test of sendrecv(2)");
}
#define COUNT 1000
#define COUNT 100
union packet {
uint8_t buf[1316];
uintmax_t seq;
};
static volatile sig_atomic_t rdied;
static void
handle_sigchld(__unused int pid)
{
rdied = 1;
}
static void
sender(int fd)
{
@ -73,9 +76,11 @@ sender(int fd)
for (; (n = send(fd, &p, sizeof(p), 0)) == sizeof(p);
p.seq++)
continue;
// printf(">>%zd %d %ju\n", n, errno, p.seq);
printf(">>%zd %d %ju\n", n, errno, p.seq);
ATF_REQUIRE_MSG(errno == ENOBUFS, "send %s", strerror(errno));
sched_yield();
}
printf("sender done\n");
}
static void
@ -85,12 +90,16 @@ receiver(int fd)
ssize_t n;
uintmax_t seq = 0;
for (size_t i = 0; i < COUNT; i++) {
do {
if (rdied)
return;
while ((n = recv(fd, &p, sizeof(p), 0), sizeof(p))
== sizeof(p))
{
// if (p.seq != seq)
// printf("%ju != %ju\n", p.seq, seq);
if (rdied)
return;
if (p.seq != seq)
printf("%ju != %ju\n", p.seq, seq);
seq = p.seq + 1;
}
printf("<<%zd %d %ju\n", n, errno, seq);
@ -98,17 +107,26 @@ receiver(int fd)
return;
ATF_REQUIRE_EQ(n, -1);
ATF_REQUIRE_MSG(errno == ENOBUFS, "recv %s", strerror(errno));
}
} while (p.seq < COUNT);
}
ATF_TC_BODY(sendrecv_basic, tc)
{
int fd[2], error;
struct sigaction sa;
error = socketpair(AF_UNIX, SOCK_DGRAM, 0, fd);
// error = pipe(fd);
ATF_REQUIRE_MSG(error != -1, "socketpair failed (%s)", strerror(errno));
memset(&sa, 0, sizeof(sa));
sa.sa_flags = SA_RESTART;
sa.sa_handler = &handle_sigchld;
sigemptyset(&sa.sa_mask);
error = sigaction(SIGCHLD, &sa, 0);
ATF_REQUIRE_MSG(error != -1, "sigaction failed (%s)",
strerror(errno));
switch (fork()) {
case -1:
ATF_REQUIRE_MSG(errno == 0,