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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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