xref: /illumos-gate/usr/src/lib/libc/port/sys/tasksys.c (revision 9b9d39d2a32ff806d2431dbcc50968ef1e6d46b2)
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 weak _settaskid = settaskid
28 #pragma weak _gettaskid = gettaskid
29 #pragma weak _getprojid = getprojid
30 
31 #include "lint.h"
32 #include <sys/types.h>
33 #include <sys/syscall.h>
34 #include <sys/task.h>
35 #include <errno.h>
36 #include <project.h>
37 
38 taskid_t
39 settaskid(projid_t project, uint_t flags)
40 {
41 	taskid_t newtaskid;
42 
43 	while ((newtaskid = syscall(SYS_tasksys, 0, project, flags, NULL, 0))
44 	    == -1 && errno == EINTR)
45 		continue;
46 
47 	return (newtaskid);
48 }
49 
50 taskid_t
51 gettaskid(void)
52 {
53 	return ((taskid_t)syscall(SYS_tasksys, 1, 0, 0, NULL, 0));
54 }
55 
56 projid_t
57 getprojid(void)
58 {
59 	return ((projid_t)syscall(SYS_tasksys, 2, 0, 0, NULL, 0));
60 }
61