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This doesn't add the symbols, just the header file. This header file is important to be able to get the thread context when a signal happens.
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| /* | ||
| * Copyright (c) 2002-2006 Apple Computer, Inc. All rights reserved. | ||
| * | ||
| * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ | ||
| * | ||
| * This file contains Original Code and/or Modifications of Original Code | ||
| * as defined in and that are subject to the Apple Public Source License | ||
| * Version 2.0 (the 'License'). You may not use this file except in | ||
| * compliance with the License. The rights granted to you under the License | ||
| * may not be used to create, or enable the creation or redistribution of, | ||
| * unlawful or unlicensed copies of an Apple operating system, or to | ||
| * circumvent, violate, or enable the circumvention or violation of, any | ||
| * terms of an Apple operating system software license agreement. | ||
| * | ||
| * Please obtain a copy of the License at | ||
| * http://www.opensource.apple.com/apsl/ and read it before using this file. | ||
| * | ||
| * The Original Code and all software distributed under the License are | ||
| * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | ||
| * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | ||
| * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | ||
| * Please see the License for the specific language governing rights and | ||
| * limitations under the License. | ||
| * | ||
| * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ | ||
| */ | ||
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| #ifndef _SYS_UCONTEXT_H_ | ||
| #define _SYS_UCONTEXT_H_ | ||
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| #include <sys/cdefs.h> | ||
| #include <sys/_types.h> | ||
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| #include <machine/_mcontext.h> | ||
| #include <sys/_types/_ucontext.h> | ||
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| #include <sys/_types/_sigset_t.h> | ||
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| #ifdef KERNEL | ||
| #include <machine/types.h> /* user_addr_t, user_size_t */ | ||
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| /* kernel representation of struct ucontext64 for 64 bit processes */ | ||
| typedef struct user_ucontext64 { | ||
| int uc_onstack; | ||
| sigset_t uc_sigmask; /* signal mask */ | ||
| struct user64_sigaltstack uc_stack; /* stack */ | ||
| user_addr_t uc_link; /* ucontext pointer */ | ||
| user_size_t uc_mcsize; /* mcontext size */ | ||
| user_addr_t uc_mcontext64; /* machine context */ | ||
| } user_ucontext64_t; | ||
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| typedef struct user_ucontext32 { | ||
| int uc_onstack; | ||
| sigset_t uc_sigmask; /* signal mask */ | ||
| struct user32_sigaltstack uc_stack; /* stack */ | ||
| user32_addr_t uc_link; /* ucontext pointer */ | ||
| user32_size_t uc_mcsize; /* mcontext size */ | ||
| user32_addr_t uc_mcontext; /* machine context */ | ||
| } user_ucontext32_t; | ||
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| #endif /* KERNEL */ | ||
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| #endif /* _SYS_UCONTEXT_H_ */ |
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| /* | ||
| * Copyright (c) 2002, 2008, 2009 Apple Inc. All rights reserved. | ||
| * | ||
| * @APPLE_LICENSE_HEADER_START@ | ||
| * | ||
| * This file contains Original Code and/or Modifications of Original Code | ||
| * as defined in and that are subject to the Apple Public Source License | ||
| * Version 2.0 (the 'License'). You may not use this file except in | ||
| * compliance with the License. Please obtain a copy of the License at | ||
| * http://www.opensource.apple.com/apsl/ and read it before using this | ||
| * file. | ||
| * | ||
| * The Original Code and all software distributed under the License are | ||
| * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | ||
| * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | ||
| * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | ||
| * Please see the License for the specific language governing rights and | ||
| * limitations under the License. | ||
| * | ||
| * @APPLE_LICENSE_HEADER_END@ | ||
| */ | ||
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| /* | ||
| * These routines are DEPRECATED and should not be used. | ||
| */ | ||
| #ifndef _UCONTEXT_H_ | ||
| #define _UCONTEXT_H_ | ||
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| #include <sys/cdefs.h> | ||
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| #ifdef _XOPEN_SOURCE | ||
| #include <sys/ucontext.h> | ||
| #include <Availability.h> | ||
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| __BEGIN_DECLS | ||
| __API_DEPRECATED("No longer supported", macos(10.5, 10.6)) | ||
| int getcontext(ucontext_t *); | ||
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| __API_DEPRECATED("No longer supported", macos(10.5, 10.6)) | ||
| void makecontext(ucontext_t *, void (*)(), int, ...); | ||
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| __API_DEPRECATED("No longer supported", macos(10.5, 10.6)) | ||
| int setcontext(const ucontext_t *); | ||
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| __API_DEPRECATED("No longer supported", macos(10.5, 10.6)) | ||
| int swapcontext(ucontext_t * __restrict, const ucontext_t * __restrict); | ||
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| __END_DECLS | ||
| #else /* !_XOPEN_SOURCE */ | ||
| #error The deprecated ucontext routines require _XOPEN_SOURCE to be defined | ||
| #endif /* _XOPEN_SOURCE */ | ||
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| #endif /* _UCONTEXT_H_ */ |
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