xref: /titanic_41/usr/src/lib/libc/port/sys/tasksys.c (revision 275c9da86e89f8abf71135cf63d9fc23671b2e60)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 1999-2001 by Sun Microsystems, Inc.
24  * All rights reserved.
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 "synonyms.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
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 
48 	return (newtaskid);
49 }
50 
51 taskid_t
52 gettaskid(void)
53 {
54 	return ((taskid_t)syscall(SYS_tasksys, 1, 0, 0, NULL, 0));
55 }
56 
57 projid_t
58 getprojid(void)
59 {
60 	return ((projid_t)syscall(SYS_tasksys, 2, 0, 0, NULL, 0));
61 }
62