xref: /titanic_41/usr/src/lib/libc/port/gen/poll.c (revision 581cede61ac9c14d8d4ea452562a567189eead78)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #pragma weak _poll = poll
30 
31 #include "lint.h"
32 #include <sys/time.h>
33 #include <sys/poll.h>
34 #include "libc.h"
35 
36 int
37 poll(struct pollfd *fds, nfds_t nfd, int timeout)
38 {
39 	timespec_t ts;
40 	timespec_t *tsp;
41 
42 	if (timeout < 0)
43 		tsp = NULL;
44 	else {
45 		ts.tv_sec = timeout / MILLISEC;
46 		ts.tv_nsec = (timeout % MILLISEC) * MICROSEC;
47 		tsp = &ts;
48 	}
49 
50 	return (_pollsys(fds, nfd, tsp, NULL));
51 }
52