mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-30 10:45:40 +03:00
291 lines
6.9 KiB
C
291 lines
6.9 KiB
C
/* Test message queue passing.
|
|
Copyright (C) 2004-2017 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <mqueue.h>
|
|
#include <limits.h>
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/time.h>
|
|
#include <sys/wait.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
#include "tst-mqueue.h"
|
|
|
|
#define TIMEOUT 4
|
|
#define TEST_FUNCTION do_test ()
|
|
static int
|
|
do_test (void)
|
|
{
|
|
int result = 0;
|
|
|
|
char name[sizeof "/tst-mqueue4-" + sizeof (pid_t) * 3 + NAME_MAX];
|
|
char *p;
|
|
p = name + snprintf (name, sizeof (name), "/tst-mqueue4-%u", getpid ());
|
|
struct mq_attr attr = { .mq_maxmsg = 2, .mq_msgsize = 2 };
|
|
mqd_t q = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
|
|
|
|
if (q == (mqd_t) -1)
|
|
{
|
|
printf ("mq_open failed with: %m\n");
|
|
return result;
|
|
}
|
|
else
|
|
add_temp_mq (name);
|
|
|
|
*p = '.';
|
|
memset (p + 1, 'x', NAME_MAX + 1 - (p - name));
|
|
name[NAME_MAX + 1] = '\0';
|
|
|
|
mqd_t q2 = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
|
|
if (q2 == (mqd_t) -1)
|
|
{
|
|
printf ("mq_open with NAME_MAX long name compoment failed with: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
if (mq_unlink (name) != 0)
|
|
{
|
|
printf ("mq_unlink failed: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
if (mq_close (q2) != 0)
|
|
{
|
|
printf ("mq_close failed: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
name[NAME_MAX + 1] = 'x';
|
|
name[NAME_MAX + 2] = '\0';
|
|
q2 = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
|
|
if (q2 != (mqd_t) -1)
|
|
{
|
|
puts ("mq_open with too long name component unexpectedly succeeded");
|
|
mq_unlink (name);
|
|
mq_close (q2);
|
|
result = 1;
|
|
}
|
|
else if (errno != ENAMETOOLONG)
|
|
{
|
|
printf ("mq_open with too long name component did not fail with "
|
|
"ENAMETOOLONG: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
if (mq_unlink (name) == 0)
|
|
{
|
|
puts ("mq_unlink with too long name component unexpectedly succeeded");
|
|
result = 1;
|
|
}
|
|
else if (errno != ENAMETOOLONG)
|
|
{
|
|
printf ("mq_unlink with too long name component did not fail with "
|
|
"ENAMETOOLONG: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
*p = '\0';
|
|
attr.mq_maxmsg = 1;
|
|
attr.mq_msgsize = 3;
|
|
q2 = mq_open (name, O_CREAT | O_RDWR, 0600, &attr);
|
|
if (q2 == (mqd_t) -1)
|
|
{
|
|
printf ("mq_open without O_EXCL failed with %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
char buf[3];
|
|
strcpy (buf, "jk");
|
|
if (mq_send (q, buf, 2, 4) != 0)
|
|
{
|
|
printf ("mq_send failed: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
if (mq_send (q, buf + 1, 1, 5) != 0)
|
|
{
|
|
printf ("mq_send failed: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
if (mq_getattr (q2, &attr) != 0)
|
|
{
|
|
printf ("mq_getattr failed: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
if ((attr.mq_flags & O_NONBLOCK)
|
|
|| attr.mq_maxmsg != 2
|
|
|| attr.mq_msgsize != 2
|
|
|| attr.mq_curmsgs != 2)
|
|
{
|
|
printf ("mq_getattr returned unexpected { .mq_flags = %jd,\n"
|
|
".mq_maxmsg = %jd, .mq_msgsize = %jd, .mq_curmsgs = %jd }\n",
|
|
(intmax_t) attr.mq_flags, (intmax_t) attr.mq_maxmsg,
|
|
(intmax_t) attr.mq_msgsize, (intmax_t) attr.mq_curmsgs);
|
|
result = 1;
|
|
}
|
|
|
|
struct timespec ts;
|
|
if (clock_gettime (CLOCK_REALTIME, &ts) == 0)
|
|
++ts.tv_sec;
|
|
else
|
|
{
|
|
ts.tv_sec = time (NULL) + 1;
|
|
ts.tv_nsec = 0;
|
|
}
|
|
|
|
if (mq_timedsend (q2, buf, 1, 1, &ts) == 0)
|
|
{
|
|
puts ("mq_timedsend unexpectedly succeeded");
|
|
result = 1;
|
|
}
|
|
else if (errno != ETIMEDOUT)
|
|
{
|
|
printf ("mq_timedsend did not fail with ETIMEDOUT: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
if (mq_close (q2) != 0)
|
|
{
|
|
printf ("mq_close failed: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
q2 = mq_open (name, O_RDONLY, 0600);
|
|
if (q2 == (mqd_t) -1)
|
|
{
|
|
printf ("mq_open without O_CREAT failed with %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
mqd_t q3 = mq_open (name, O_RDONLY, 0600);
|
|
if (q3 == (mqd_t) -1)
|
|
{
|
|
printf ("mq_open without O_CREAT failed with %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
memset (buf, ' ', sizeof (buf));
|
|
|
|
unsigned int prio;
|
|
ssize_t rets = mq_receive (q2, buf, 2, &prio);
|
|
if (rets != 1)
|
|
{
|
|
if (rets == -1)
|
|
printf ("mq_receive failed with: %m\n");
|
|
else
|
|
printf ("mq_receive returned %zd != 1\n", rets);
|
|
result = 1;
|
|
}
|
|
else if (prio != 5 || memcmp (buf, "k ", 3) != 0)
|
|
{
|
|
printf ("mq_receive returned prio %u (2) buf \"%c%c%c\" (\"k \")\n",
|
|
prio, buf[0], buf[1], buf[2]);
|
|
result = 1;
|
|
}
|
|
|
|
if (mq_getattr (q3, &attr) != 0)
|
|
{
|
|
printf ("mq_getattr failed: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
if ((attr.mq_flags & O_NONBLOCK)
|
|
|| attr.mq_maxmsg != 2
|
|
|| attr.mq_msgsize != 2
|
|
|| attr.mq_curmsgs != 1)
|
|
{
|
|
printf ("mq_getattr returned unexpected { .mq_flags = %jd,\n"
|
|
".mq_maxmsg = %jd, .mq_msgsize = %jd, .mq_curmsgs = %jd }\n",
|
|
(intmax_t) attr.mq_flags, (intmax_t) attr.mq_maxmsg,
|
|
(intmax_t) attr.mq_msgsize, (intmax_t) attr.mq_curmsgs);
|
|
result = 1;
|
|
}
|
|
|
|
rets = mq_receive (q3, buf, 2, NULL);
|
|
if (rets != 2)
|
|
{
|
|
if (rets == -1)
|
|
printf ("mq_receive failed with: %m\n");
|
|
else
|
|
printf ("mq_receive returned %zd != 2\n", rets);
|
|
result = 1;
|
|
}
|
|
else if (memcmp (buf, "jk ", 3) != 0)
|
|
{
|
|
printf ("mq_receive returned buf \"%c%c%c\" != \"jk \"\n",
|
|
buf[0], buf[1], buf[2]);
|
|
result = 1;
|
|
}
|
|
|
|
if (clock_gettime (CLOCK_REALTIME, &ts) == 0)
|
|
++ts.tv_sec;
|
|
else
|
|
{
|
|
ts.tv_sec = time (NULL) + 1;
|
|
ts.tv_nsec = 0;
|
|
}
|
|
|
|
if (mq_timedreceive (q2, buf, 2, NULL, &ts) != -1)
|
|
{
|
|
puts ("mq_timedreceive on empty queue unexpectedly succeeded");
|
|
result = 1;
|
|
}
|
|
else if (errno != ETIMEDOUT)
|
|
{
|
|
printf ("mq_timedreceive on empty queue did not fail with "
|
|
"ETIMEDOUT: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
if (mq_unlink (name) != 0)
|
|
{
|
|
printf ("mq_unlink failed: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
if (mq_close (q) != 0)
|
|
{
|
|
printf ("mq_close failed: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
if (mq_close (q2) != 0)
|
|
{
|
|
printf ("mq_close failed: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
if (mq_close (q3) != 0)
|
|
{
|
|
printf ("mq_close failed: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
#include "../test-skeleton.c"
|