xref: /illumos-gate/usr/src/lib/libc/port/sys/tasksys.c (revision 7257d1b4)
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 _settaskid = settaskid
30 #pragma weak _gettaskid = gettaskid
31 #pragma weak _getprojid = getprojid
32 
33 #include "lint.h"
34 #include <sys/types.h>
35 #include <sys/syscall.h>
36 #include <sys/task.h>
37 #include <errno.h>
38 #include <project.h>
39 
40 taskid_t
settaskid(projid_t project,uint_t flags)41 settaskid(projid_t project, uint_t flags)
42 {
43 	taskid_t newtaskid;
44 
45 	while ((newtaskid = syscall(SYS_tasksys, 0, project, flags, NULL, 0))
46 	    == -1 && errno == EINTR)
47 		continue;
48 
49 	return (newtaskid);
50 }
51 
52 taskid_t
gettaskid(void)53 gettaskid(void)
54 {
55 	return ((taskid_t)syscall(SYS_tasksys, 1, 0, 0, NULL, 0));
56 }
57 
58 projid_t
getprojid(void)59 getprojid(void)
60 {
61 	return ((projid_t)syscall(SYS_tasksys, 2, 0, 0, NULL, 0));
62 }
63