1 /*
2  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3  *
4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5  *
6  * This file contains Original Code and/or Modifications of Original Code
7  * as defined in and that are subject to the Apple Public Source License
8  * Version 2.0 (the 'License'). You may not use this file except in
9  * compliance with the License. The rights granted to you under the License
10  * may not be used to create, or enable the creation or redistribution of,
11  * unlawful or unlicensed copies of an Apple operating system, or to
12  * circumvent, violate, or enable the circumvention or violation of, any
13  * terms of an Apple operating system software license agreement.
14  *
15  * Please obtain a copy of the License at
16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17  *
18  * The Original Code and all software distributed under the License are
19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23  * Please see the License for the specific language governing rights and
24  * limitations under the License.
25  *
26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27  */
28 /*
29  * @OSF_COPYRIGHT@
30  */
31 
32 /*
33  * Mach Operating System
34  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
35  * All Rights Reserved.
36  *
37  * Permission to use, copy, modify and distribute this software and its
38  * documentation is hereby granted, provided that both the copyright
39  * notice and this permission notice appear in all copies of the
40  * software, derivative works or modified versions, and any portions
41  * thereof, and that both notices appear in supporting documentation.
42  *
43  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
44  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
45  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
46  *
47  * Carnegie Mellon requests users of this software to return to
48  *
49  *  Software Distribution Coordinator  or  [email protected]
50  *  School of Computer Science
51  *  Carnegie Mellon University
52  *  Pittsburgh PA 15213-3890
53  *
54  * any improvements or extensions that they make and grant Carnegie Mellon
55  * the rights to redistribute these changes.
56  */
57 
58 #include <mach/mach.h>
59 #include <mach/message.h>
60 #include <mach/rpc.h>
61 #include <mach/mach_syscalls.h>
62 #include <mach/thread_switch.h>
63 
64 extern kern_return_t syscall_thread_switch(mach_port_name_t, int, mach_msg_timeout_t);  // From pthread_internals.h
65 
66 kern_return_t
thread_switch(mach_port_t thread,int option,mach_msg_timeout_t option_time)67 thread_switch(
68 	mach_port_t thread,
69 	int option,
70 	mach_msg_timeout_t option_time)
71 {
72 	kern_return_t result;
73 
74 	result = syscall_thread_switch(thread, option, option_time);
75 	return result;
76 }
77