projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| b5d655f7 | 1 | /* |
| 34e8f829 | 2 | * Copyright (c) 2007, 2009 Apple Inc. All rights reserved. |
| b5d655f7 A |
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 | ||
| 34e8f829 | 24 | #if defined(__x86_64__) |
| b5d655f7 | 25 | |
| 34e8f829 A |
26 | #define _XOPEN_SOURCE 600L |
| 27 | #include <ucontext.h> | |
| 1f2f436a A |
28 | #undef _XOPEN_SOURCE |
| 29 | #undef _POSIX_C_SOURCE /* sigsetmask() */ | |
| 34e8f829 A |
30 | #include <signal.h> |
| 31 | ||
| 32 | extern int _setcontext(const mcontext_t); | |
| 33 | ||
| 34 | int | |
| 35 | setcontext(const ucontext_t *uctx) | |
| b5d655f7 | 36 | { |
| 34e8f829 A |
37 | mcontext_t mctx = (mcontext_t)&uctx->__mcontext_data; |
| 38 | ucontext_t *_uctx = (ucontext_t *)uctx; | |
| 39 | if (mctx != _uctx->uc_mcontext) | |
| 40 | _uctx->uc_mcontext = mctx; | |
| 41 | sigsetmask(uctx->uc_sigmask); | |
| 42 | return _setcontext(mctx); | |
| b5d655f7 | 43 | } |
| 34e8f829 A |
44 | |
| 45 | #endif /* __x86_64__ */ |