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View _structs.h

1/*␊
2 * Copyright (c) 2004-2006 Apple Computer, Inc. All rights reserved.␊
3 *␊
4 * @APPLE_OSREFERENCE_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. The rights granted to you under the License␊
10 * may not be used to create, or enable the creation or redistribution of,␊
11 * unlawful or unlicensed copies of an Apple operating system, or to␊
12 * circumvent, violate, or enable the circumvention or violation of, any␊
13 * terms of an Apple operating system software license agreement.␊
14 * ␊
15 * Please obtain a copy of the License at␊
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.␊
17 * ␊
18 * The Original Code and all software distributed under the License are␊
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊
23 * Please see the License for the specific language governing rights and␊
24 * limitations under the License.␊
25 * ␊
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@␊
27 */␊
28␊
29#include <sys/cdefs.h>␊
30#include <sys/_types.h>␊
31␊
32#ifdef __need_ucontext_t␊
33#ifndef __need_struct_ucontext␊
34#define __need_struct_ucontext␊
35#endif /* __need_struct_ucontext */␊
36#endif /* __need_ucontext_t */␊
37␊
38#ifdef __need_ucontext64_t␊
39#ifndef __need_struct_ucontext64␊
40#define __need_struct_ucontext64␊
41#endif /* __need_struct_ucontext64 */␊
42#endif /* __need_ucontext64_t */␊
43␊
44#ifdef __need_struct_ucontext␊
45#ifndef __need_struct_mcontext␊
46#define __need_struct_mcontext␊
47#endif /* __need_struct_mcontext */␊
48#endif /* __need_struct_ucontext */␊
49␊
50#ifdef __need_struct_ucontext64␊
51#ifndef __need_struct_mcontext64␊
52#define __need_struct_mcontext64␊
53#endif /* __need_struct_mcontext64 */␊
54#endif /* __need_struct_ucontext64 */␊
55␊
56#if defined(__need_struct_mcontext) || defined(__need_struct_mcontext64)␊
57#include <machine/_structs.h>␊
58#endif /* __need_struct_mcontext || __need_struct_mcontext64 */␊
59␊
60#if defined(__need_stack_t) || defined(__need_struct_ucontext) || defined(__need_struct_ucontext64)␊
61#ifndef __need_struct_sigaltstack␊
62#define __need_struct_sigaltstack␊
63#endif /* __need_struct_sigaltstack */␊
64#endif /* __need_stack_t || __need_struct_ucontext || __need_struct_ucontext64 */␊
65␊
66#ifdef __need_struct_sigaltstack␊
67#undef __need_struct_sigaltstack␊
68/* Structure used in sigaltstack call. */␊
69#ifndef _STRUCT_SIGALTSTACK␊
70#if __DARWIN_UNIX03␊
71#define _STRUCT_SIGALTSTACK␉struct __darwin_sigaltstack␊
72#else /* !__DARWIN_UNIX03 */␊
73#define _STRUCT_SIGALTSTACK␉struct sigaltstack␊
74#endif /* __DARWIN_UNIX03 */␊
75_STRUCT_SIGALTSTACK␊
76{␊
77␉void␉␉*ss_sp;␉␉/* signal stack base */␊
78␉__darwin_size_t ss_size;␉/* signal stack length */␊
79␉int␉␉ss_flags;␉/* SA_DISABLE and/or SA_ONSTACK */␊
80};␊
81#endif /* _STRUCT_SIGALTSTACK */␊
82#endif /* __need_struct_sigaltstack */␊
83␊
84#ifdef __need_struct_timespec␊
85#undef __need_struct_timespec␊
86#ifndef _STRUCT_TIMESPEC␊
87#define _STRUCT_TIMESPEC␉struct timespec␊
88_STRUCT_TIMESPEC␊
89{␊
90␉__darwin_time_t␉tv_sec;␊
91␉long␉␉tv_nsec;␊
92};␊
93#endif /* _STRUCT_TIMESPEC */␊
94#endif /* __need_struct_timespec */␊
95␊
96#ifdef __need_struct_timeval␊
97#undef __need_struct_timeval␊
98#ifndef _STRUCT_TIMEVAL␊
99#define _STRUCT_TIMEVAL␉␉struct timeval␊
100_STRUCT_TIMEVAL␊
101{␊
102␉__darwin_time_t␉␉tv_sec;␉␉/* seconds */␊
103␉__darwin_suseconds_t␉tv_usec;␉/* and microseconds */␊
104};␊
105#endif /* _STRUCT_TIMEVAL */␊
106#endif /* __need_struct_timeval */␊
107␊
108#ifdef __need_struct_timeval32␊
109#undef __need_struct_timeval32␊
110#ifndef _STRUCT_TIMEVAL32␊
111#define _STRUCT_TIMEVAL32␉struct timeval32␊
112_STRUCT_TIMEVAL32␊
113{␊
114␉__int32_t␉␉tv_sec;␉␉/* seconds */␊
115␉__int32_t␉␉tv_usec;␉/* and microseconds */␊
116};␊
117#endif /* _STRUCT_TIMEVAL32 */␊
118#endif /* __need_struct_timeval32 */␊
119␊
120#ifdef __need_struct_ucontext␊
121#undef __need_struct_ucontext␊
122#ifndef _STRUCT_UCONTEXT␊
123#if __DARWIN_UNIX03␊
124#define _STRUCT_UCONTEXT␉struct __darwin_ucontext␊
125#else /* !__DARWIN_UNIX03 */␊
126#define _STRUCT_UCONTEXT␉struct ucontext␊
127#endif /* __DARWIN_UNIX03 */␊
128_STRUCT_UCONTEXT␊
129{␊
130␉int␉␉␉uc_onstack;␊
131␉__darwin_sigset_t␉uc_sigmask;␉/* signal mask used by this context */␊
132␉_STRUCT_SIGALTSTACK ␉uc_stack;␉/* stack used by this context */␊
133␉_STRUCT_UCONTEXT␉*uc_link;␉/* pointer to resuming context */␊
134␉__darwin_size_t␉␉uc_mcsize;␉/* size of the machine context passed in */␊
135␉_STRUCT_MCONTEXT␉*uc_mcontext;␉/* pointer to machine specific context */␊
136#ifdef _XOPEN_SOURCE␊
137␉_STRUCT_MCONTEXT␉__mcontext_data;␊
138#endif /* _XOPEN_SOURCE */␊
139};␊
140#endif /* _STRUCT_UCONTEXT */␊
141#endif /* __need_struct_ucontext */␊
142␊
143#ifdef __need_struct_ucontext64␊
144#undef __need_struct_ucontext64␊
145#ifndef _STRUCT_UCONTEXT64␊
146#if __DARWIN_UNIX03␊
147#define _STRUCT_UCONTEXT64␉struct __darwin_ucontext64␊
148#else /* !__DARWIN_UNIX03 */␊
149#define _STRUCT_UCONTEXT64␉struct ucontext64␊
150#endif /* __DARWIN_UNIX03 */␊
151_STRUCT_UCONTEXT64␊
152{␊
153␉int␉␉␉uc_onstack;␊
154␉__darwin_sigset_t␉uc_sigmask;␉/* signal mask used by this context */␊
155␉_STRUCT_SIGALTSTACK ␉uc_stack;␉/* stack used by this context */␊
156␉_STRUCT_UCONTEXT64␉*uc_link;␉/* pointer to resuming context */␊
157␉__darwin_size_t␉␉uc_mcsize;␉/* size of the machine context passed in */␊
158␉_STRUCT_MCONTEXT64␉*uc_mcontext64;␉/* pointer to machine specific context */␊
159};␊
160#endif /* _STRUCT_UCONTEXT64 */␊
161#endif /* __need_struct_ucontext64 */␊
162␊
163␊
164#ifdef __need_fd_set␊
165#undef __need_fd_set␊
166#ifndef _FD_SET␊
167#define _FD_SET␊
168/*␊
169 * Select uses bit masks of file descriptors in longs. These macros␊
170 * manipulate such bit fields (the filesystem macros use chars). The␊
171 * extra protection here is to permit application redefinition above␊
172 * the default size.␊
173 */␊
174#ifdef FD_SETSIZE␊
175#define␉__DARWIN_FD_SETSIZE␉FD_SETSIZE␊
176#else /* !FD_SETSIZE */␊
177#define␉__DARWIN_FD_SETSIZE␉1024␊
178#endif /* FD_SETSIZE */␊
179#define␉__DARWIN_NBBY␉␉8␉␉␉␉/* bits in a byte */␊
180#define __DARWIN_NFDBITS␉(sizeof(__int32_t) * __DARWIN_NBBY) /* bits per mask */␊
181#define␉__DARWIN_howmany(x, y) (((x) + ((y) - 1)) / (y))␉/* # y's == x bits? */␊
182␊
183__BEGIN_DECLS␊
184typedef␉struct fd_set {␊
185␉__int32_t␉fds_bits[__DARWIN_howmany(__DARWIN_FD_SETSIZE, __DARWIN_NFDBITS)];␊
186} fd_set;␊
187__END_DECLS␊
188␊
189/* This inline avoids argument side-effect issues with FD_ISSET() */␊
190static __inline int␊
191__darwin_fd_isset(int _n, struct fd_set *_p)␊
192{␊
193␉return (_p->fds_bits[_n/__DARWIN_NFDBITS] & (1<<(_n % __DARWIN_NFDBITS)));␊
194}␊
195␊
196#define␉__DARWIN_FD_SET(n, p)␉do { int __fd = (n); ((p)->fds_bits[__fd/__DARWIN_NFDBITS] |= (1<<(__fd % __DARWIN_NFDBITS))); } while(0)␊
197#define␉__DARWIN_FD_CLR(n, p)␉do { int __fd = (n); ((p)->fds_bits[__fd/__DARWIN_NFDBITS] &= ~(1<<(__fd % __DARWIN_NFDBITS))); } while(0)␊
198#define␉__DARWIN_FD_ISSET(n, p)␉__darwin_fd_isset((n), (p))␊
199␊
200#if __GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 3␊
201/*␊
202 * Use the built-in bzero function instead of the library version so that␊
203 * we do not pollute the namespace or introduce prototype warnings.␊
204 */␊
205#define␉__DARWIN_FD_ZERO(p)␉__builtin_bzero(p, sizeof(*(p)))␊
206#else␊
207#define␉__DARWIN_FD_ZERO(p)␉bzero(p, sizeof(*(p)))␊
208#endif␊
209␊
210#define␉__DARWIN_FD_COPY(f, t)␉bcopy(f, t, sizeof(*(f)))␊
211#endif /* _FD_SET */␊
212#endif /* __need_fd_set */␊
213␊
214#ifdef __need_stack_t␊
215#undef __need_stack_t␊
216#ifndef _STACK_T␊
217#define _STACK_T␊
218typedef _STRUCT_SIGALTSTACK␉stack_t; /* [???] signal stack */␊
219#endif /* _STACK_T */␊
220#endif /* __need_stack_t */␊
221␊
222#ifdef __need_ucontext_t␊
223#undef __need_ucontext_t␊
224/* user context */␊
225#ifndef _UCONTEXT_T␊
226#define _UCONTEXT_T␊
227typedef _STRUCT_UCONTEXT␉ucontext_t;␉/* [???] user context */␊
228#endif /* _UCONTEXT_T */␊
229#endif /* __need_ucontext_t */␊
230␊
231#ifdef __need_ucontext64_t␊
232#undef __need_ucontext64_t␊
233#ifndef _UCONTEXT64_T␊
234#define _UCONTEXT64_T␊
235typedef _STRUCT_UCONTEXT64␉ucontext64_t;␉/* [???] user context */␊
236#endif /* _UCONTEXT64_T */␊
237#endif /* __need_ucontext64_t */␊
238

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Attachment to issue 295

Created: 11 years 5 months ago by makom leroy