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tests: add another case to pselect6 test

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* tests/pselect6.c: Include <sys/time.h>.
(handler): New function.
(main): Install an interval timer.
Use it to check how ERESTARTNOHAND is printed.
This commit is contained in:
Дмитрий Левин 2015-09-18 17:05:35 +00:00
parent f57edf4d37
commit 6c528f5502
1 changed files with 47 additions and 0 deletions
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47
tests/pselect6.c
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@ -1,3 +1,30 @@
/*
* Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Based on test by Dr. David Alan Gilbert <dave@treblig.org>
*/
@ -7,6 +34,7 @@
#include <signal.h>
#include <unistd.h>
#include <sys/select.h>
#include <sys/time.h>
#ifndef NSIG
# warning NSIG is not defined, using 32
@ -15,11 +43,18 @@
static fd_set set[3][0x1000000 / sizeof(fd_set)];
static void
handler(int signo)
{
}
int main(int ac, char **av)
{
int fds[2];
struct timespec timeout = { .tv_sec = 0, .tv_nsec = 100 };
sigset_t mask;
const struct sigaction act = { .sa_handler = handler };
const struct itimerval itv = { .it_value.tv_usec = 111111 };
sigemptyset(&mask);
sigaddset(&mask, SIGHUP);
@ -63,6 +98,18 @@ int main(int ac, char **av)
printf("pselect6(%d, [%d], [], NULL, {0, 100}, {[HUP CHLD], %u}) "
"= 0 (Timeout)\n", FD_SETSIZE + 1, fds[0], NSIG / 8);
/*
* See how timeouts are decoded.
*/
assert(sigaction(SIGALRM, &act, NULL) == 0);
assert(setitimer(ITIMER_REAL, &itv, NULL) == 0);
timeout.tv_nsec = 222222222;
assert(pselect(0, NULL, NULL, NULL, &timeout, &mask) == -1);
puts("pselect6(0, NULL, NULL, NULL, {0, 222222222}, {[HUP CHLD], 8})"
" = ? ERESTARTNOHAND (To be restarted if no handler)");
puts("--- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---");
puts("+++ exited with 0 +++");
return 0;
}