mirror of
https://github.com/darlinghq/darling.git
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340 lines
11 KiB
C
340 lines
11 KiB
C
/*
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* Copyright (c) 2004-2006 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#include <sys/cdefs.h>
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#include <sys/_types.h>
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#ifdef __need_ucontext_t
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#ifndef __need_struct_ucontext
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#define __need_struct_ucontext
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#endif /* __need_struct_ucontext */
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#endif /* __need_ucontext_t */
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#ifdef __need_ucontext64_t
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#ifndef __need_struct_ucontext64
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#define __need_struct_ucontext64
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#endif /* __need_struct_ucontext64 */
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#endif /* __need_ucontext64_t */
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#ifdef __need_struct_ucontext
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#ifndef __need_struct_mcontext
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#define __need_struct_mcontext
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#endif /* __need_struct_mcontext */
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#endif /* __need_struct_ucontext */
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#ifdef __need_struct_ucontext64
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#ifndef __need_struct_mcontext64
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#define __need_struct_mcontext64
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#endif /* __need_struct_mcontext64 */
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#endif /* __need_struct_ucontext64 */
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#if defined(__need_struct_mcontext) || defined(__need_struct_mcontext64)
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#include <machine/_structs.h>
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#endif /* __need_struct_mcontext || __need_struct_mcontext64 */
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#if defined(__need_stack_t) || defined(__need_struct_ucontext) || defined(__need_struct_ucontext64)
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#ifndef __need_struct_sigaltstack
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#define __need_struct_sigaltstack
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#endif /* __need_struct_sigaltstack */
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#endif /* __need_stack_t || __need_struct_ucontext || __need_struct_ucontext64 */
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#ifdef __need_struct_sigaltstack
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#undef __need_struct_sigaltstack
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/* Structure used in sigaltstack call. */
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#ifndef _STRUCT_SIGALTSTACK
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#if __DARWIN_UNIX03
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#define _STRUCT_SIGALTSTACK struct __darwin_sigaltstack
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#else /* !__DARWIN_UNIX03 */
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#define _STRUCT_SIGALTSTACK struct sigaltstack
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#endif /* __DARWIN_UNIX03 */
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_STRUCT_SIGALTSTACK
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{
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void *ss_sp; /* signal stack base */
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__darwin_size_t ss_size; /* signal stack length */
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int ss_flags; /* SA_DISABLE and/or SA_ONSTACK */
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};
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#endif /* _STRUCT_SIGALTSTACK */
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#endif /* __need_struct_sigaltstack */
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#ifdef __need_struct_timespec
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#undef __need_struct_timespec
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#ifndef _STRUCT_TIMESPEC
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#define _STRUCT_TIMESPEC struct timespec
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_STRUCT_TIMESPEC
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{
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__darwin_time_t tv_sec;
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long tv_nsec;
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};
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#endif /* _STRUCT_TIMESPEC */
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#endif /* __need_struct_timespec */
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#ifdef __need_struct_timeval
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#undef __need_struct_timeval
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#ifndef _STRUCT_TIMEVAL
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#define _STRUCT_TIMEVAL struct timeval
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_STRUCT_TIMEVAL
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{
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__darwin_time_t tv_sec; /* seconds */
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__darwin_suseconds_t tv_usec; /* and microseconds */
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};
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#endif /* _STRUCT_TIMEVAL */
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#endif /* __need_struct_timeval */
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#ifdef __need_struct_timeval32
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#undef __need_struct_timeval32
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#ifndef _STRUCT_TIMEVAL32
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#define _STRUCT_TIMEVAL32 struct timeval32
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_STRUCT_TIMEVAL32
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{
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__int32_t tv_sec; /* seconds */
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__int32_t tv_usec; /* and microseconds */
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};
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#endif /* _STRUCT_TIMEVAL32 */
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#endif /* __need_struct_timeval32 */
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#ifdef __need_struct_ucontext
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#undef __need_struct_ucontext
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#ifndef _STRUCT_UCONTEXT
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#if __DARWIN_UNIX03
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#define _STRUCT_UCONTEXT struct __darwin_ucontext
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#else /* !__DARWIN_UNIX03 */
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#define _STRUCT_UCONTEXT struct ucontext
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#endif /* __DARWIN_UNIX03 */
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_STRUCT_UCONTEXT
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{
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int uc_onstack;
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__darwin_sigset_t uc_sigmask; /* signal mask used by this context */
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_STRUCT_SIGALTSTACK uc_stack; /* stack used by this context */
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_STRUCT_UCONTEXT *uc_link; /* pointer to resuming context */
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__darwin_size_t uc_mcsize; /* size of the machine context passed in */
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_STRUCT_MCONTEXT *uc_mcontext; /* pointer to machine specific context */
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#ifdef _XOPEN_SOURCE
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_STRUCT_MCONTEXT __mcontext_data;
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#endif /* _XOPEN_SOURCE */
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};
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#endif /* _STRUCT_UCONTEXT */
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#endif /* __need_struct_ucontext */
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#ifdef __need_struct_ucontext64
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#undef __need_struct_ucontext64
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#ifndef _STRUCT_UCONTEXT64
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#if __DARWIN_UNIX03
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#define _STRUCT_UCONTEXT64 struct __darwin_ucontext64
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#else /* !__DARWIN_UNIX03 */
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#define _STRUCT_UCONTEXT64 struct ucontext64
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#endif /* __DARWIN_UNIX03 */
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_STRUCT_UCONTEXT64
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{
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int uc_onstack;
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__darwin_sigset_t uc_sigmask; /* signal mask used by this context */
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_STRUCT_SIGALTSTACK uc_stack; /* stack used by this context */
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_STRUCT_UCONTEXT64 *uc_link; /* pointer to resuming context */
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__darwin_size_t uc_mcsize; /* size of the machine context passed in */
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_STRUCT_MCONTEXT64 *uc_mcontext64; /* pointer to machine specific context */
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};
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#endif /* _STRUCT_UCONTEXT64 */
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#endif /* __need_struct_ucontext64 */
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#ifdef KERNEL
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/* LP64 version of struct timespec. time_t is a long and must grow when
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* we're dealing with a 64-bit process.
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* WARNING - keep in sync with struct timespec
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*/
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#ifdef __need_struct_user_timespec
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#undef __need_struct_user_timespec
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#ifndef _STRUCT_USER_TIMESPEC
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#define _STRUCT_USER_TIMESPEC struct user_timespec
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_STRUCT_USER_TIMESPEC
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{
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user_time_t tv_sec; /* seconds */
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user_long_t tv_nsec; /* and nanoseconds */
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};
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#endif /* _STRUCT_USER_TIMESPEC */
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#endif /* __need_struct_user_timespec */
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#ifdef __need_struct_user64_timespec
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#undef __need_struct_user64_timespec
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#ifndef _STRUCT_USER64_TIMESPEC
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#define _STRUCT_USER64_TIMESPEC struct user64_timespec
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_STRUCT_USER64_TIMESPEC
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{
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user64_time_t tv_sec; /* seconds */
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user64_long_t tv_nsec; /* and nanoseconds */
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};
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#endif /* _STRUCT_USER64_TIMESPEC */
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#endif /* __need_struct_user64_timespec */
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#ifdef __need_struct_user32_timespec
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#undef __need_struct_user32_timespec
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#ifndef _STRUCT_USER32_TIMESPEC
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#define _STRUCT_USER32_TIMESPEC struct user32_timespec
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_STRUCT_USER32_TIMESPEC
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{
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user32_time_t tv_sec; /* seconds */
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user32_long_t tv_nsec; /* and nanoseconds */
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};
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#endif /* _STRUCT_USER32_TIMESPEC */
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#endif /* __need_struct_user32_timespec */
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#ifdef __need_struct_user_timeval
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#undef __need_struct_user_timeval
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#ifndef _STRUCT_USER_TIMEVAL
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#define _STRUCT_USER_TIMEVAL struct user_timeval
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_STRUCT_USER_TIMEVAL
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{
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user_time_t tv_sec; /* seconds */
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__int32_t tv_usec; /* and microseconds */
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};
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#endif /* _STRUCT_USER_TIMEVAL */
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#endif /* __need_struct_user_timeval */
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#ifdef __need_struct_user64_timeval
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#undef __need_struct_user64_timeval
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#ifndef _STRUCT_USER64_TIMEVAL
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#define _STRUCT_USER64_TIMEVAL struct user64_timeval
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_STRUCT_USER64_TIMEVAL
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{
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user64_time_t tv_sec; /* seconds */
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__int32_t tv_usec; /* and microseconds */
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};
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#endif /* _STRUCT_USER64_TIMEVAL */
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#endif /* __need_struct_user64_timeval */
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#ifdef __need_struct_user32_timeval
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#undef __need_struct_user32_timeval
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#ifndef _STRUCT_USER32_TIMEVAL
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#define _STRUCT_USER32_TIMEVAL struct user32_timeval
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_STRUCT_USER32_TIMEVAL
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{
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user32_time_t tv_sec; /* seconds */
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__int32_t tv_usec; /* and microseconds */
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};
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#endif /* _STRUCT_USER32_TIMEVAL */
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#endif /* __need_struct_user32_timeval */
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#ifdef __need_struct_user64_itimerval
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#undef __need_struct_user64_itimerval
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#ifndef _STRUCT_USER64_ITIMERVAL
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#define _STRUCT_USER64_ITIMERVAL struct user64_itimerval
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_STRUCT_USER64_ITIMERVAL
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{
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_STRUCT_USER64_TIMEVAL it_interval; /* timer interval */
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_STRUCT_USER64_TIMEVAL it_value; /* current value */
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};
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#endif /* _STRUCT_USER64_TIMEVAL */
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#endif /* __need_struct_user64_itimerval */
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#ifdef __need_struct_user32_itimerval
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#undef __need_struct_user32_itimerval
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#ifndef _STRUCT_USER32_ITIMERVAL
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#define _STRUCT_USER32_ITIMERVAL struct user32_itimerval
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_STRUCT_USER32_ITIMERVAL
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{
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_STRUCT_USER32_TIMEVAL it_interval; /* timer interval */
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_STRUCT_USER32_TIMEVAL it_value; /* current value */
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};
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#endif /* _STRUCT_USER32_TIMEVAL */
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#endif /* __need_struct_user32_itimerval */
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#endif /* KERNEL */
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#ifdef __need_fd_set
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#undef __need_fd_set
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#ifndef _FD_SET
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#define _FD_SET
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/*
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* Select uses bit masks of file descriptors in longs. These macros
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* manipulate such bit fields (the filesystem macros use chars). The
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* extra protection here is to permit application redefinition above
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* the default size.
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*/
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#ifdef FD_SETSIZE
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#define __DARWIN_FD_SETSIZE FD_SETSIZE
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#else /* !FD_SETSIZE */
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#define __DARWIN_FD_SETSIZE 1024
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#endif /* FD_SETSIZE */
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#define __DARWIN_NBBY 8 /* bits in a byte */
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#define __DARWIN_NFDBITS (sizeof(__int32_t) * __DARWIN_NBBY) /* bits per mask */
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#define __DARWIN_howmany(x, y) ((((x) % (y)) == 0) ? ((x) / (y)) : (((x) / (y)) + 1)) /* # y's == x bits? */
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__BEGIN_DECLS
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typedef struct fd_set {
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__int32_t fds_bits[__DARWIN_howmany(__DARWIN_FD_SETSIZE, __DARWIN_NFDBITS)];
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} fd_set;
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__END_DECLS
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/* This inline avoids argument side-effect issues with FD_ISSET() */
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static __inline int
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__darwin_fd_isset(int _n, const struct fd_set *_p)
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{
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return (_p->fds_bits[_n/__DARWIN_NFDBITS] & (1<<(_n % __DARWIN_NFDBITS)));
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}
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#define __DARWIN_FD_SET(n, p) do { int __fd = (n); ((p)->fds_bits[__fd/__DARWIN_NFDBITS] |= (1<<(__fd % __DARWIN_NFDBITS))); } while(0)
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#define __DARWIN_FD_CLR(n, p) do { int __fd = (n); ((p)->fds_bits[__fd/__DARWIN_NFDBITS] &= ~(1<<(__fd % __DARWIN_NFDBITS))); } while(0)
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#define __DARWIN_FD_ISSET(n, p) __darwin_fd_isset((n), (p))
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#if __GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 3
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/*
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* Use the built-in bzero function instead of the library version so that
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* we do not pollute the namespace or introduce prototype warnings.
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*/
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#define __DARWIN_FD_ZERO(p) __builtin_bzero(p, sizeof(*(p)))
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#else
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#define __DARWIN_FD_ZERO(p) bzero(p, sizeof(*(p)))
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#endif
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#define __DARWIN_FD_COPY(f, t) bcopy(f, t, sizeof(*(f)))
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#endif /* _FD_SET */
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#endif /* __need_fd_set */
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#ifdef __need_stack_t
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#undef __need_stack_t
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#ifndef _STACK_T
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#define _STACK_T
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typedef _STRUCT_SIGALTSTACK stack_t; /* [???] signal stack */
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#endif /* _STACK_T */
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#endif /* __need_stack_t */
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#ifdef __need_ucontext_t
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#undef __need_ucontext_t
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/* user context */
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#ifndef _UCONTEXT_T
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#define _UCONTEXT_T
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typedef _STRUCT_UCONTEXT ucontext_t; /* [???] user context */
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#endif /* _UCONTEXT_T */
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#endif /* __need_ucontext_t */
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#ifdef __need_ucontext64_t
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#undef __need_ucontext64_t
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#ifndef _UCONTEXT64_T
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#define _UCONTEXT64_T
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typedef _STRUCT_UCONTEXT64 ucontext64_t; /* [???] user context */
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#endif /* _UCONTEXT64_T */
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#endif /* __need_ucontext64_t */
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