1*a325d9c4SApple OSS Distributions /*
2*a325d9c4SApple OSS Distributions * Copyright (c) 2014 Apple Computer, Inc. All rights reserved.
3*a325d9c4SApple OSS Distributions *
4*a325d9c4SApple OSS Distributions * @APPLE_LICENSE_HEADER_START@
5*a325d9c4SApple OSS Distributions *
6*a325d9c4SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*a325d9c4SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*a325d9c4SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*a325d9c4SApple OSS Distributions * compliance with the License. Please obtain a copy of the License at
10*a325d9c4SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this
11*a325d9c4SApple OSS Distributions * file.
12*a325d9c4SApple OSS Distributions *
13*a325d9c4SApple OSS Distributions * The Original Code and all software distributed under the License are
14*a325d9c4SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*a325d9c4SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*a325d9c4SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*a325d9c4SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*a325d9c4SApple OSS Distributions * Please see the License for the specific language governing rights and
19*a325d9c4SApple OSS Distributions * limitations under the License.
20*a325d9c4SApple OSS Distributions *
21*a325d9c4SApple OSS Distributions * @APPLE_LICENSE_HEADER_END@
22*a325d9c4SApple OSS Distributions */
23*a325d9c4SApple OSS Distributions
24*a325d9c4SApple OSS Distributions #include <sys/resource.h>
25*a325d9c4SApple OSS Distributions #include <errno.h>
26*a325d9c4SApple OSS Distributions #include <mach/port.h>
27*a325d9c4SApple OSS Distributions
28*a325d9c4SApple OSS Distributions extern int __setpriority(int which, id_t who, int prio);
29*a325d9c4SApple OSS Distributions extern void _pthread_clear_qos_tsd(mach_port_t);
30*a325d9c4SApple OSS Distributions
31*a325d9c4SApple OSS Distributions /*
32*a325d9c4SApple OSS Distributions * Stub function to account for special case return code from setpriority
33*a325d9c4SApple OSS Distributions * when called with PRIO_DARWIN_THREAD.
34*a325d9c4SApple OSS Distributions */
35*a325d9c4SApple OSS Distributions int
setpriority(int which,id_t who,int prio)36*a325d9c4SApple OSS Distributions setpriority(int which, id_t who, int prio)
37*a325d9c4SApple OSS Distributions {
38*a325d9c4SApple OSS Distributions int rv = __setpriority(which, who, prio);
39*a325d9c4SApple OSS Distributions if (which == PRIO_DARWIN_THREAD && rv == -2) {
40*a325d9c4SApple OSS Distributions _pthread_clear_qos_tsd(MACH_PORT_NULL);
41*a325d9c4SApple OSS Distributions rv = 0;
42*a325d9c4SApple OSS Distributions }
43*a325d9c4SApple OSS Distributions
44*a325d9c4SApple OSS Distributions return rv;
45*a325d9c4SApple OSS Distributions }
46