xref: /illumos-gate/usr/src/lib/libc/port/gen/poll.c (revision 6a634c9d)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
57257d1b4Sraf  * Common Development and Distribution License (the "License").
67257d1b4Sraf  * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate  *
87c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate  * and limitations under the License.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate  *
197c478bd9Sstevel@tonic-gate  * CDDL HEADER END
207c478bd9Sstevel@tonic-gate  */
217257d1b4Sraf 
227c478bd9Sstevel@tonic-gate /*
23*23a1cceaSRoger A. Faulkner  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
247c478bd9Sstevel@tonic-gate  */
257c478bd9Sstevel@tonic-gate 
267257d1b4Sraf #pragma weak _poll = poll
277c478bd9Sstevel@tonic-gate 
287257d1b4Sraf #include "lint.h"
297c478bd9Sstevel@tonic-gate #include <sys/time.h>
307c478bd9Sstevel@tonic-gate #include <sys/poll.h>
317c478bd9Sstevel@tonic-gate #include "libc.h"
327c478bd9Sstevel@tonic-gate 
33*23a1cceaSRoger A. Faulkner int
ppoll(struct pollfd * _RESTRICT_KYWD fds,nfds_t nfd,const struct timespec * _RESTRICT_KYWD tsp,const sigset_t * _RESTRICT_KYWD sigmask)34*23a1cceaSRoger A. Faulkner ppoll(struct pollfd *_RESTRICT_KYWD fds, nfds_t nfd,
35*23a1cceaSRoger A. Faulkner     const struct timespec *_RESTRICT_KYWD tsp,
36*23a1cceaSRoger A. Faulkner     const sigset_t *_RESTRICT_KYWD sigmask)
37*23a1cceaSRoger A. Faulkner {
38*23a1cceaSRoger A. Faulkner 	return (_pollsys(fds, nfd, tsp, sigmask));
39*23a1cceaSRoger A. Faulkner }
40*23a1cceaSRoger A. Faulkner 
417c478bd9Sstevel@tonic-gate int
poll(struct pollfd * fds,nfds_t nfd,int timeout)427c478bd9Sstevel@tonic-gate poll(struct pollfd *fds, nfds_t nfd, int timeout)
437c478bd9Sstevel@tonic-gate {
447c478bd9Sstevel@tonic-gate 	timespec_t ts;
457c478bd9Sstevel@tonic-gate 	timespec_t *tsp;
467c478bd9Sstevel@tonic-gate 
477c478bd9Sstevel@tonic-gate 	if (timeout < 0)
487c478bd9Sstevel@tonic-gate 		tsp = NULL;
497c478bd9Sstevel@tonic-gate 	else {
507c478bd9Sstevel@tonic-gate 		ts.tv_sec = timeout / MILLISEC;
517c478bd9Sstevel@tonic-gate 		ts.tv_nsec = (timeout % MILLISEC) * MICROSEC;
527c478bd9Sstevel@tonic-gate 		tsp = &ts;
537c478bd9Sstevel@tonic-gate 	}
547c478bd9Sstevel@tonic-gate 
557c478bd9Sstevel@tonic-gate 	return (_pollsys(fds, nfd, tsp, NULL));
567c478bd9Sstevel@tonic-gate }
57