mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 16:50:07 +00:00
417 lines
9.1 KiB
C
417 lines
9.1 KiB
C
/* Test message queue passing.
|
|
Copyright (C) 2004-2014 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 <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/wait.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
#include "tst-mqueue.h"
|
|
|
|
static int
|
|
intcmp (const void *a, const void *b)
|
|
{
|
|
if (*(unsigned char *)a < *(unsigned char *)b)
|
|
return 1;
|
|
if (*(unsigned char *)a > *(unsigned char *)b)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
check_attrs (struct mq_attr *attr, int nonblock, long cnt)
|
|
{
|
|
int result = 0;
|
|
|
|
if (attr->mq_maxmsg != 10 || attr->mq_msgsize != 1)
|
|
{
|
|
printf ("attributes don't match those passed to mq_open\n"
|
|
"mq_maxmsg %ld, mq_msgsize %ld\n",
|
|
attr->mq_maxmsg, attr->mq_msgsize);
|
|
result = 1;
|
|
}
|
|
|
|
if ((attr->mq_flags & O_NONBLOCK) != nonblock)
|
|
{
|
|
printf ("mq_flags %lx != %x\n", (attr->mq_flags & O_NONBLOCK), nonblock);
|
|
result = 1;
|
|
}
|
|
|
|
if (attr->mq_curmsgs != cnt)
|
|
{
|
|
printf ("mq_curmsgs %ld != %ld\n", attr->mq_curmsgs, cnt);
|
|
result = 1;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static int
|
|
do_one_test (mqd_t q, const char *name, int nonblock)
|
|
{
|
|
int result = 0;
|
|
|
|
unsigned char v []
|
|
= { 0x32, 0x62, 0x22, 0x31, 0x11, 0x73, 0x61, 0x21, 0x72, 0x71, 0x81 };
|
|
|
|
struct mq_attr attr;
|
|
memset (&attr, 0xaa, sizeof (attr));
|
|
if (mq_getattr (q, &attr) != 0)
|
|
{
|
|
printf ("mq_getattr failed: %m\n");
|
|
result = 1;
|
|
}
|
|
else
|
|
result |= check_attrs (&attr, nonblock, 0);
|
|
|
|
if (mq_receive (q, (char *) &v[0], 1, NULL) != -1)
|
|
{
|
|
puts ("mq_receive on O_WRONLY mqd_t unexpectedly succeeded");
|
|
result = 1;
|
|
}
|
|
else if (errno != EBADF)
|
|
{
|
|
printf ("mq_receive on O_WRONLY mqd_t did not fail with EBADF: %m\n");
|
|
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;
|
|
}
|
|
|
|
int ret;
|
|
for (int i = 0; i < 10; ++i)
|
|
{
|
|
if (i & 1)
|
|
ret = mq_send (q, (char *) &v[i], 1, v[i] >> 4);
|
|
else
|
|
ret = mq_timedsend (q, (char *) &v[i], 1, v[i] >> 4, &ts);
|
|
|
|
if (ret)
|
|
{
|
|
printf ("mq_%ssend failed: %m\n", (i & 1) ? "" : "timed");
|
|
result = 1;
|
|
}
|
|
}
|
|
|
|
ret = mq_timedsend (q, (char *) &v[10], 1, 8, &ts);
|
|
if (ret != -1)
|
|
{
|
|
puts ("mq_timedsend on full queue did not fail");
|
|
result = 1;
|
|
}
|
|
else if (errno != (nonblock ? EAGAIN : ETIMEDOUT))
|
|
{
|
|
printf ("mq_timedsend on full queue did not fail with %s: %m\n",
|
|
nonblock ? "EAGAIN" : "ETIMEDOUT");
|
|
result = 1;
|
|
}
|
|
|
|
if (nonblock)
|
|
{
|
|
ret = mq_send (q, (char *) &v[10], 1, 8);
|
|
if (ret != -1)
|
|
{
|
|
puts ("mq_send on full non-blocking queue did not fail");
|
|
result = 1;
|
|
}
|
|
else if (errno != EAGAIN)
|
|
{
|
|
printf ("mq_send on full non-blocking queue did not fail"
|
|
"with EAGAIN: %m\n");
|
|
result = 1;
|
|
}
|
|
}
|
|
|
|
memset (&attr, 0xaa, sizeof (attr));
|
|
if (mq_getattr (q, &attr) != 0)
|
|
{
|
|
printf ("mq_getattr failed: %m\n");
|
|
result = 1;
|
|
}
|
|
else
|
|
result |= check_attrs (&attr, nonblock, 10);
|
|
|
|
pid_t pid = fork ();
|
|
if (pid == -1)
|
|
{
|
|
printf ("fork failed: %m\n");
|
|
result = 1;
|
|
}
|
|
else if (pid == 0)
|
|
{
|
|
result = 0;
|
|
|
|
if (mq_close (q) != 0)
|
|
{
|
|
printf ("mq_close in child failed: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
q = mq_open (name, O_RDONLY | nonblock);
|
|
if (q == (mqd_t) -1)
|
|
{
|
|
printf ("mq_open in child failed: %m\n");
|
|
exit (1);
|
|
}
|
|
|
|
memset (&attr, 0xaa, sizeof (attr));
|
|
if (mq_getattr (q, &attr) != 0)
|
|
{
|
|
printf ("mq_getattr failed: %m\n");
|
|
result = 1;
|
|
}
|
|
else
|
|
result |= check_attrs (&attr, nonblock, 10);
|
|
|
|
unsigned char vr[11] = { };
|
|
unsigned int prio;
|
|
ssize_t rets;
|
|
|
|
if (mq_send (q, (char *) &v[0], 1, 1) != -1)
|
|
{
|
|
puts ("mq_send on O_RDONLY mqd_t unexpectedly succeeded");
|
|
result = 1;
|
|
}
|
|
else if (errno != EBADF)
|
|
{
|
|
printf ("mq_send on O_WRONLY mqd_t did not fail with EBADF: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
for (int i = 0; i < 10; ++i)
|
|
{
|
|
if (i & 1)
|
|
rets = mq_receive (q, (char *) &vr[i], 1, &prio);
|
|
else
|
|
rets = mq_timedreceive (q, (char *) &vr[i], 1, &prio, &ts);
|
|
|
|
if (rets != 1)
|
|
{
|
|
if (rets == -1)
|
|
printf ("mq_%sreceive failed: %m\n", (i & 1) ? "" : "timed");
|
|
else
|
|
printf ("mq_%sreceive returned %zd != 1\n",
|
|
(i & 1) ? "" : "timed", rets);
|
|
result = 1;
|
|
}
|
|
else if (prio != (unsigned int) vr[i] >> 4)
|
|
{
|
|
printf ("unexpected priority %x for value %02x\n", prio,
|
|
vr[i]);
|
|
result = 1;
|
|
}
|
|
}
|
|
|
|
qsort (v, 10, 1, intcmp);
|
|
if (memcmp (v, vr, 10) != 0)
|
|
{
|
|
puts ("messages not received in expected order");
|
|
result = 1;
|
|
}
|
|
|
|
rets = mq_timedreceive (q, (char *) &vr[10], 1, &prio, &ts);
|
|
if (rets != -1)
|
|
{
|
|
puts ("mq_timedreceive on empty queue did not fail");
|
|
result = 1;
|
|
}
|
|
else if (errno != (nonblock ? EAGAIN : ETIMEDOUT))
|
|
{
|
|
printf ("mq_timedreceive on empty queue did not fail with %s: %m\n",
|
|
nonblock ? "EAGAIN" : "ETIMEDOUT");
|
|
result = 1;
|
|
}
|
|
|
|
if (nonblock)
|
|
{
|
|
ret = mq_receive (q, (char *) &vr[10], 1, &prio);
|
|
if (ret != -1)
|
|
{
|
|
puts ("mq_receive on empty non-blocking queue did not fail");
|
|
result = 1;
|
|
}
|
|
else if (errno != EAGAIN)
|
|
{
|
|
printf ("mq_receive on empty non-blocking queue did not fail"
|
|
"with EAGAIN: %m\n");
|
|
result = 1;
|
|
}
|
|
}
|
|
|
|
memset (&attr, 0xaa, sizeof (attr));
|
|
if (mq_getattr (q, &attr) != 0)
|
|
{
|
|
printf ("mq_getattr failed: %m\n");
|
|
result = 1;
|
|
}
|
|
else
|
|
result |= check_attrs (&attr, nonblock, 0);
|
|
|
|
if (mq_close (q) != 0)
|
|
{
|
|
printf ("mq_close in child failed: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
exit (result);
|
|
}
|
|
|
|
int status;
|
|
if (TEMP_FAILURE_RETRY (waitpid (pid, &status, 0)) != pid)
|
|
{
|
|
printf ("waitpid failed: %m\n");
|
|
kill (pid, SIGKILL);
|
|
result = 1;
|
|
}
|
|
else if (!WIFEXITED (status) || WEXITSTATUS (status))
|
|
{
|
|
printf ("child failed: %d\n", status);
|
|
result = 1;
|
|
}
|
|
|
|
memset (&attr, 0xaa, sizeof (attr));
|
|
if (mq_getattr (q, &attr) != 0)
|
|
{
|
|
printf ("mq_getattr failed: %m\n");
|
|
result = 1;
|
|
}
|
|
else
|
|
result |= check_attrs (&attr, nonblock, 0);
|
|
|
|
return result;
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
static int
|
|
do_test (void)
|
|
{
|
|
int result = 0;
|
|
|
|
char name[sizeof "/tst-mqueue1-" + sizeof (pid_t) * 3];
|
|
snprintf (name, sizeof (name), "/tst-mqueue1-%u", getpid ());
|
|
|
|
struct mq_attr attr = { .mq_maxmsg = 10, .mq_msgsize = 1 };
|
|
mqd_t q = mq_open (name, O_CREAT | O_EXCL | O_WRONLY, 0600, &attr);
|
|
|
|
if (q == (mqd_t) -1)
|
|
{
|
|
printf ("mq_open failed with: %m\n");
|
|
return result;
|
|
}
|
|
else
|
|
add_temp_mq (name);
|
|
|
|
result |= do_one_test (q, name, 0);
|
|
|
|
mqd_t q2 = mq_open (name, O_WRONLY | O_NONBLOCK);
|
|
if (q2 == (mqd_t) -1)
|
|
{
|
|
printf ("mq_open failed with: %m\n");
|
|
q2 = q;
|
|
result = 1;
|
|
}
|
|
else
|
|
{
|
|
if (mq_close (q) != 0)
|
|
{
|
|
printf ("mq_close in parent failed: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
q = q2;
|
|
result |= do_one_test (q, name, O_NONBLOCK);
|
|
|
|
if (mq_getattr (q, &attr) != 0)
|
|
{
|
|
printf ("mq_getattr failed: %m\n");
|
|
result = 1;
|
|
}
|
|
else
|
|
{
|
|
attr.mq_flags ^= O_NONBLOCK;
|
|
|
|
struct mq_attr attr2;
|
|
memset (&attr2, 0x55, sizeof (attr2));
|
|
if (mq_setattr (q, &attr, &attr2) != 0)
|
|
{
|
|
printf ("mq_setattr failed: %m\n");
|
|
result = 1;
|
|
}
|
|
else if (attr.mq_flags != (attr2.mq_flags ^ O_NONBLOCK)
|
|
|| attr.mq_maxmsg != attr2.mq_maxmsg
|
|
|| attr.mq_msgsize != attr2.mq_msgsize
|
|
|| attr.mq_curmsgs != 0
|
|
|| attr2.mq_curmsgs != 0)
|
|
{
|
|
puts ("mq_setattr returned unexpected values in *omqstat");
|
|
result = 1;
|
|
}
|
|
else
|
|
{
|
|
result |= do_one_test (q, name, 0);
|
|
|
|
if (mq_setattr (q, &attr2, NULL) != 0)
|
|
{
|
|
printf ("mq_setattr failed: %m\n");
|
|
result = 1;
|
|
}
|
|
else
|
|
result |= do_one_test (q, name, O_NONBLOCK);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mq_unlink (name) != 0)
|
|
{
|
|
printf ("mq_unlink failed: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
if (mq_close (q) != 0)
|
|
{
|
|
printf ("mq_close in parent failed: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
if (mq_close (q) != -1)
|
|
{
|
|
puts ("second mq_close did not fail");
|
|
result = 1;
|
|
}
|
|
else if (errno != EBADF)
|
|
{
|
|
printf ("second mq_close did not fail with EBADF: %m\n");
|
|
result = 1;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
#include "../test-skeleton.c"
|