diff options
Diffstat (limited to 'lib/libc_r/uthread/uthread_poll.c')
-rw-r--r-- | lib/libc_r/uthread/uthread_poll.c | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/lib/libc_r/uthread/uthread_poll.c b/lib/libc_r/uthread/uthread_poll.c deleted file mode 100644 index 62b2613..0000000 --- a/lib/libc_r/uthread/uthread_poll.c +++ /dev/null @@ -1,111 +0,0 @@ -/* - * Copyright (c) 1999 Daniel Eischen <eischen@vigrid.com> - * 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Daniel Eischen. - * 4. Neither the name of the author nor the names of any co-contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. - * - * $FreeBSD$ - */ -#include <unistd.h> -#include <errno.h> -#include <string.h> -#include <poll.h> -#include <sys/types.h> -#include <sys/time.h> -#include <sys/fcntl.h> -#include <pthread.h> -#include "pthread_private.h" - -__weak_reference(__poll, poll); - -int -_poll(struct pollfd *fds, unsigned int nfds, int timeout) -{ - struct pthread *curthread = _get_curthread(); - struct timespec ts; - int numfds = nfds; - int i, ret = 0; - struct pthread_poll_data data; - - if (numfds > _thread_dtablesize) { - numfds = _thread_dtablesize; - } - /* Check if a timeout was specified: */ - if (timeout == INFTIM) { - /* Wait for ever: */ - _thread_kern_set_timeout(NULL); - } else if (timeout > 0) { - /* Convert the timeout in msec to a timespec: */ - ts.tv_sec = timeout / 1000; - ts.tv_nsec = (timeout % 1000) * 1000000; - - /* Set the wake up time: */ - _thread_kern_set_timeout(&ts); - } else if (timeout < 0) { - /* a timeout less than zero but not == INFTIM is invalid */ - errno = EINVAL; - return (-1); - } - - if (((ret = __sys_poll(fds, numfds, 0)) == 0) && (timeout != 0)) { - data.nfds = numfds; - data.fds = fds; - - /* - * Clear revents in case of a timeout which leaves fds - * unchanged: - */ - for (i = 0; i < numfds; i++) { - fds[i].revents = 0; - } - - curthread->data.poll_data = &data; - curthread->interrupted = 0; - _thread_kern_sched_state(PS_POLL_WAIT, __FILE__, __LINE__); - if (curthread->interrupted) { - errno = EINTR; - ret = -1; - } else { - ret = data.nfds; - } - } - - return (ret); -} - -int -__poll(struct pollfd *fds, unsigned int nfds, int timeout) -{ - int ret; - - _thread_enter_cancellation_point(); - ret = _poll(fds, nfds, timeout); - _thread_leave_cancellation_point(); - - return ret; -} |