diff options
Diffstat (limited to 'rt/tst-mqueue10.c')
-rw-r--r-- | rt/tst-mqueue10.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/rt/tst-mqueue10.c b/rt/tst-mqueue10.c new file mode 100644 index 0000000000..7fb53a1cae --- /dev/null +++ b/rt/tst-mqueue10.c @@ -0,0 +1,62 @@ +/* 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-mqueue2-" + 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-mqueue2-%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); + } + + mq_unlink (name); + + return 0; +} + +#include <support/test-driver.c> |