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/* Check for large timeout with mq_timedsend and mq_timedreceive.
Copyright (C) 2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <intprops.h>
#include <mqueue.h>
#include <stdio.h>
#include <support/check.h>
#include <support/support.h>
#include <support/temp_file.h>
#include <unistd.h>
static char name[sizeof "/tst-mqueue10-" + INT_BUFSIZE_BOUND (pid_t)];
static void
do_cleanup (void)
{
mq_unlink (name);
}
#define CLEANUP_HANDLER do_cleanup
static int
do_test (void)
{
snprintf (name, sizeof (name), "/tst-mqueue10-%u", getpid ());
char msg[8] = { 0x55 };
struct mq_attr attr = { .mq_maxmsg = 1, .mq_msgsize = sizeof (msg) };
mqd_t q = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
TEST_VERIFY_EXIT (q != (mqd_t) -1);
struct timespec ts = { TYPE_MAXIMUM (time_t), 0 };
{
timer_t timer = support_create_timer (0, 100000000, false, NULL);
TEST_COMPARE (mq_timedreceive (q, msg, sizeof (msg), NULL, &ts), -1);
TEST_VERIFY (errno == EINTR || errno == EOVERFLOW);
support_delete_timer (timer);
}
{
timer_t timer = support_create_timer (0, 100000000, false, NULL);
/* Fill the internal buffer first. */
TEST_COMPARE (mq_timedsend (q, msg, sizeof (msg), 0,
&(struct timespec) { 0, 0 }), 0);
TEST_COMPARE (mq_timedsend (q, msg, sizeof (msg), 0, &ts), -1);
TEST_VERIFY (errno == EINTR || errno == EOVERFLOW);
support_delete_timer (timer);
}
mq_unlink (name);
return 0;
}
#include <support/test-driver.c>
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