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1 | /* | |
2 | * Copyright (c) 2005, 2006 Apple Computer, Inc. All rights reserved. | |
3 | * | |
4 | * @APPLE_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. Please obtain a copy of the License at | |
10 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
11 | * file. | |
12 | * | |
13 | * The Original Code and all software distributed under the License are | |
14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
18 | * Please see the License for the specific language governing rights and | |
19 | * limitations under the License. | |
20 | * | |
21 | * @APPLE_LICENSE_HEADER_END@ | |
22 | */ | |
23 | #include <signal.h> | |
24 | #include <errno.h> | |
25 | ||
26 | int __sigaltstack(const stack_t * __restrict, stack_t * __restrict); | |
27 | ||
28 | /* UNIX03 only */ | |
29 | int sigaltstack(const stack_t * __restrict nstack, stack_t * __restrict ostack) | |
30 | { | |
31 | if (nstack && nstack->ss_size < MINSIGSTKSZ) { | |
32 | errno = ENOMEM; | |
33 | return -1; | |
34 | } | |
35 | return __sigaltstack(nstack, ostack); | |
36 | } |