95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
/*
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* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <assert.h>
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#include <poll.h>
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#include <signal.h>
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#include <unistd.h>
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static void
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test1(void)
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{
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const struct timespec timeout = { .tv_sec = 42, .tv_nsec = 999999999 };
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struct pollfd fds[] = {
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{ .fd = 0, .events = POLLIN | POLLPRI | POLLRDNORM | POLLRDBAND },
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{ .fd = 1, .events = POLLOUT | POLLWRNORM | POLLWRBAND },
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{ .fd = 3, .events = POLLIN | POLLPRI },
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{ .fd = 4, .events = POLLOUT }
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};
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sigset_t mask;
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sigemptyset(&mask);
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sigaddset(&mask, SIGUSR2);
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sigaddset(&mask, SIGCHLD);
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int rc = ppoll(fds, sizeof(fds) / sizeof(*fds), &timeout, &mask);
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if (rc < 0)
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perror_msg_and_skip("ppoll");
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assert(rc == 2);
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}
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static void
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test2(void)
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{
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const struct timespec timeout = { .tv_sec = 0, .tv_nsec = 999 };
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struct pollfd fds[] = {
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{ .fd = 1, .events = POLLIN | POLLPRI | POLLRDNORM | POLLRDBAND },
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{ .fd = 0, .events = POLLOUT | POLLWRNORM | POLLWRBAND }
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};
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sigset_t mask;
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sigfillset(&mask);
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sigdelset(&mask, SIGHUP);
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sigdelset(&mask, SIGKILL);
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sigdelset(&mask, SIGSTOP);
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int rc = ppoll(fds, sizeof(fds) / sizeof(*fds), &timeout, &mask);
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if (rc < 0)
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perror_msg_and_skip("ppoll");
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assert(rc == 0);
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}
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int
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main(void)
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{
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int fds[2];
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(void) close(0);
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(void) close(1);
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(void) close(3);
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(void) close(4);
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if (pipe(fds) || pipe(fds))
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perror_msg_and_fail("pipe");
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test1();
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test2();
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assert(ppoll(NULL, 42, NULL, NULL) < 0);
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return 0;
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}
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