Deleted Added
full compact
libc_private.h (278751) libc_private.h (278889)
1/*
2 * Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of any co-contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
1/*
2 * Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of any co-contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD: head/lib/libc/include/libc_private.h 278751 2015-02-14 11:47:40Z kib $
29 * $FreeBSD: head/lib/libc/include/libc_private.h 278889 2015-02-17 08:54:03Z kib $
30 *
31 * Private definitions for libc, libc_r and libpthread.
32 *
33 */
34
35#ifndef _LIBC_PRIVATE_H_
36#define _LIBC_PRIVATE_H_
37#include <sys/_types.h>
38#include <sys/_pthreadtypes.h>
39
40/*
41 * This global flag is non-zero when a process has created one
42 * or more threads. It is used to avoid calling locking functions
43 * when they are not required.
44 */
45extern int __isthreaded;
46
47/*
48 * Elf_Auxinfo *__elf_aux_vector, the pointer to the ELF aux vector
49 * provided by kernel. Either set for us by rtld, or found at runtime
50 * on stack for static binaries.
51 *
52 * Type is void to avoid polluting whole libc with ELF types.
53 */
54extern void *__elf_aux_vector;
55
56/*
57 * libc should use libc_dlopen internally, which respects a global
58 * flag where loading of new shared objects can be restricted.
59 */
60void *libc_dlopen(const char *, int);
61
62/*
63 * For dynamic linker.
64 */
65void _rtld_error(const char *fmt, ...);
66
67/*
68 * File lock contention is difficult to diagnose without knowing
69 * where locks were set. Allow a debug library to be built which
70 * records the source file and line number of each lock call.
71 */
72#ifdef _FLOCK_DEBUG
73#define _FLOCKFILE(x) _flockfile_debug(x, __FILE__, __LINE__)
74#else
75#define _FLOCKFILE(x) _flockfile(x)
76#endif
77
78/*
79 * Macros for locking and unlocking FILEs. These test if the
80 * process is threaded to avoid locking when not required.
81 */
82#define FLOCKFILE(fp) if (__isthreaded) _FLOCKFILE(fp)
83#define FUNLOCKFILE(fp) if (__isthreaded) _funlockfile(fp)
84
85struct _spinlock;
86extern struct _spinlock __stdio_thread_lock __hidden;
87#define STDIO_THREAD_LOCK() \
88do { \
89 if (__isthreaded) \
90 _SPINLOCK(&__stdio_thread_lock); \
91} while (0)
92#define STDIO_THREAD_UNLOCK() \
93do { \
94 if (__isthreaded) \
95 _SPINUNLOCK(&__stdio_thread_lock); \
96} while (0)
97
98void __libc_spinlock_stub(struct _spinlock *);
99void __libc_spinunlock_stub(struct _spinlock *);
100
101/*
102 * Indexes into the pthread jump table.
103 *
104 * Warning! If you change this type, you must also change the threads
105 * libraries that reference it (libc_r, libpthread).
106 */
107typedef enum {
108 PJT_ATFORK,
109 PJT_ATTR_DESTROY,
110 PJT_ATTR_GETDETACHSTATE,
111 PJT_ATTR_GETGUARDSIZE,
112 PJT_ATTR_GETINHERITSCHED,
113 PJT_ATTR_GETSCHEDPARAM,
114 PJT_ATTR_GETSCHEDPOLICY,
115 PJT_ATTR_GETSCOPE,
116 PJT_ATTR_GETSTACKADDR,
117 PJT_ATTR_GETSTACKSIZE,
118 PJT_ATTR_INIT,
119 PJT_ATTR_SETDETACHSTATE,
120 PJT_ATTR_SETGUARDSIZE,
121 PJT_ATTR_SETINHERITSCHED,
122 PJT_ATTR_SETSCHEDPARAM,
123 PJT_ATTR_SETSCHEDPOLICY,
124 PJT_ATTR_SETSCOPE,
125 PJT_ATTR_SETSTACKADDR,
126 PJT_ATTR_SETSTACKSIZE,
127 PJT_CANCEL,
128 PJT_CLEANUP_POP,
129 PJT_CLEANUP_PUSH,
130 PJT_COND_BROADCAST,
131 PJT_COND_DESTROY,
132 PJT_COND_INIT,
133 PJT_COND_SIGNAL,
134 PJT_COND_TIMEDWAIT,
135 PJT_COND_WAIT,
136 PJT_DETACH,
137 PJT_EQUAL,
138 PJT_EXIT,
139 PJT_GETSPECIFIC,
140 PJT_JOIN,
141 PJT_KEY_CREATE,
142 PJT_KEY_DELETE,
143 PJT_KILL,
144 PJT_MAIN_NP,
145 PJT_MUTEXATTR_DESTROY,
146 PJT_MUTEXATTR_INIT,
147 PJT_MUTEXATTR_SETTYPE,
148 PJT_MUTEX_DESTROY,
149 PJT_MUTEX_INIT,
150 PJT_MUTEX_LOCK,
151 PJT_MUTEX_TRYLOCK,
152 PJT_MUTEX_UNLOCK,
153 PJT_ONCE,
154 PJT_RWLOCK_DESTROY,
155 PJT_RWLOCK_INIT,
156 PJT_RWLOCK_RDLOCK,
157 PJT_RWLOCK_TRYRDLOCK,
158 PJT_RWLOCK_TRYWRLOCK,
159 PJT_RWLOCK_UNLOCK,
160 PJT_RWLOCK_WRLOCK,
161 PJT_SELF,
162 PJT_SETCANCELSTATE,
163 PJT_SETCANCELTYPE,
164 PJT_SETSPECIFIC,
165 PJT_SIGMASK,
166 PJT_TESTCANCEL,
167 PJT_CLEANUP_POP_IMP,
168 PJT_CLEANUP_PUSH_IMP,
169 PJT_CANCEL_ENTER,
170 PJT_CANCEL_LEAVE,
171 PJT_MAX
172} pjt_index_t;
173
174typedef int (*pthread_func_t)(void);
175typedef pthread_func_t pthread_func_entry_t[2];
176
177extern pthread_func_entry_t __thr_jtable[];
178
179void __set_error_selector(int *(*arg)(void));
180int _pthread_mutex_init_calloc_cb_stub(pthread_mutex_t *mutex,
181 void *(calloc_cb)(__size_t, __size_t));
182
183typedef int (*interpos_func_t)(void);
184interpos_func_t *__libc_interposing_slot(int interposno);
185extern interpos_func_t __libc_interposing[] __hidden;
186
187enum {
188 INTERPOS_accept,
189 INTERPOS_accept4,
190 INTERPOS_aio_suspend,
191 INTERPOS_close,
192 INTERPOS_connect,
193 INTERPOS_fcntl,
194 INTERPOS_fsync,
195 INTERPOS_fork,
196 INTERPOS_msync,
197 INTERPOS_nanosleep,
198 INTERPOS_openat,
199 INTERPOS_poll,
200 INTERPOS_pselect,
201 INTERPOS_recvfrom,
202 INTERPOS_recvmsg,
203 INTERPOS_select,
204 INTERPOS_sendmsg,
205 INTERPOS_sendto,
206 INTERPOS_setcontext,
207 INTERPOS_sigaction,
208 INTERPOS_sigprocmask,
209 INTERPOS_sigsuspend,
210 INTERPOS_sigwait,
211 INTERPOS_sigtimedwait,
212 INTERPOS_sigwaitinfo,
213 INTERPOS_swapcontext,
214 INTERPOS_system,
215 INTERPOS_tcdrain,
216 INTERPOS_read,
217 INTERPOS_readv,
218 INTERPOS_wait4,
219 INTERPOS_write,
220 INTERPOS_writev,
221 INTERPOS__pthread_mutex_init_calloc_cb,
222 INTERPOS_spinlock,
223 INTERPOS_spinunlock,
224 INTERPOS_MAX
225};
226
227/*
228 * yplib internal interfaces
229 */
230#ifdef YP
231int _yp_check(char **);
232#endif
233
234/*
235 * Initialise TLS for static programs
236 */
237void _init_tls(void);
238
239/*
240 * Provides pthread_once()-like functionality for both single-threaded
241 * and multi-threaded applications.
242 */
243int _once(pthread_once_t *, void (*)(void));
244
245/*
246 * Set the TLS thread pointer
247 */
248void _set_tp(void *tp);
249
250/*
251 * This is a pointer in the C run-time startup code. It is used
252 * by getprogname() and setprogname().
253 */
254extern const char *__progname;
255
256/*
257 * This function is used by the threading libraries to notify malloc that a
258 * thread is exiting.
259 */
260void _malloc_thread_cleanup(void);
261
262/*
263 * These functions are used by the threading libraries in order to protect
264 * malloc across fork().
265 */
266void _malloc_prefork(void);
267void _malloc_postfork(void);
268
269void _malloc_first_thread(void);
270
271/*
272 * Function to clean up streams, called from abort() and exit().
273 */
30 *
31 * Private definitions for libc, libc_r and libpthread.
32 *
33 */
34
35#ifndef _LIBC_PRIVATE_H_
36#define _LIBC_PRIVATE_H_
37#include <sys/_types.h>
38#include <sys/_pthreadtypes.h>
39
40/*
41 * This global flag is non-zero when a process has created one
42 * or more threads. It is used to avoid calling locking functions
43 * when they are not required.
44 */
45extern int __isthreaded;
46
47/*
48 * Elf_Auxinfo *__elf_aux_vector, the pointer to the ELF aux vector
49 * provided by kernel. Either set for us by rtld, or found at runtime
50 * on stack for static binaries.
51 *
52 * Type is void to avoid polluting whole libc with ELF types.
53 */
54extern void *__elf_aux_vector;
55
56/*
57 * libc should use libc_dlopen internally, which respects a global
58 * flag where loading of new shared objects can be restricted.
59 */
60void *libc_dlopen(const char *, int);
61
62/*
63 * For dynamic linker.
64 */
65void _rtld_error(const char *fmt, ...);
66
67/*
68 * File lock contention is difficult to diagnose without knowing
69 * where locks were set. Allow a debug library to be built which
70 * records the source file and line number of each lock call.
71 */
72#ifdef _FLOCK_DEBUG
73#define _FLOCKFILE(x) _flockfile_debug(x, __FILE__, __LINE__)
74#else
75#define _FLOCKFILE(x) _flockfile(x)
76#endif
77
78/*
79 * Macros for locking and unlocking FILEs. These test if the
80 * process is threaded to avoid locking when not required.
81 */
82#define FLOCKFILE(fp) if (__isthreaded) _FLOCKFILE(fp)
83#define FUNLOCKFILE(fp) if (__isthreaded) _funlockfile(fp)
84
85struct _spinlock;
86extern struct _spinlock __stdio_thread_lock __hidden;
87#define STDIO_THREAD_LOCK() \
88do { \
89 if (__isthreaded) \
90 _SPINLOCK(&__stdio_thread_lock); \
91} while (0)
92#define STDIO_THREAD_UNLOCK() \
93do { \
94 if (__isthreaded) \
95 _SPINUNLOCK(&__stdio_thread_lock); \
96} while (0)
97
98void __libc_spinlock_stub(struct _spinlock *);
99void __libc_spinunlock_stub(struct _spinlock *);
100
101/*
102 * Indexes into the pthread jump table.
103 *
104 * Warning! If you change this type, you must also change the threads
105 * libraries that reference it (libc_r, libpthread).
106 */
107typedef enum {
108 PJT_ATFORK,
109 PJT_ATTR_DESTROY,
110 PJT_ATTR_GETDETACHSTATE,
111 PJT_ATTR_GETGUARDSIZE,
112 PJT_ATTR_GETINHERITSCHED,
113 PJT_ATTR_GETSCHEDPARAM,
114 PJT_ATTR_GETSCHEDPOLICY,
115 PJT_ATTR_GETSCOPE,
116 PJT_ATTR_GETSTACKADDR,
117 PJT_ATTR_GETSTACKSIZE,
118 PJT_ATTR_INIT,
119 PJT_ATTR_SETDETACHSTATE,
120 PJT_ATTR_SETGUARDSIZE,
121 PJT_ATTR_SETINHERITSCHED,
122 PJT_ATTR_SETSCHEDPARAM,
123 PJT_ATTR_SETSCHEDPOLICY,
124 PJT_ATTR_SETSCOPE,
125 PJT_ATTR_SETSTACKADDR,
126 PJT_ATTR_SETSTACKSIZE,
127 PJT_CANCEL,
128 PJT_CLEANUP_POP,
129 PJT_CLEANUP_PUSH,
130 PJT_COND_BROADCAST,
131 PJT_COND_DESTROY,
132 PJT_COND_INIT,
133 PJT_COND_SIGNAL,
134 PJT_COND_TIMEDWAIT,
135 PJT_COND_WAIT,
136 PJT_DETACH,
137 PJT_EQUAL,
138 PJT_EXIT,
139 PJT_GETSPECIFIC,
140 PJT_JOIN,
141 PJT_KEY_CREATE,
142 PJT_KEY_DELETE,
143 PJT_KILL,
144 PJT_MAIN_NP,
145 PJT_MUTEXATTR_DESTROY,
146 PJT_MUTEXATTR_INIT,
147 PJT_MUTEXATTR_SETTYPE,
148 PJT_MUTEX_DESTROY,
149 PJT_MUTEX_INIT,
150 PJT_MUTEX_LOCK,
151 PJT_MUTEX_TRYLOCK,
152 PJT_MUTEX_UNLOCK,
153 PJT_ONCE,
154 PJT_RWLOCK_DESTROY,
155 PJT_RWLOCK_INIT,
156 PJT_RWLOCK_RDLOCK,
157 PJT_RWLOCK_TRYRDLOCK,
158 PJT_RWLOCK_TRYWRLOCK,
159 PJT_RWLOCK_UNLOCK,
160 PJT_RWLOCK_WRLOCK,
161 PJT_SELF,
162 PJT_SETCANCELSTATE,
163 PJT_SETCANCELTYPE,
164 PJT_SETSPECIFIC,
165 PJT_SIGMASK,
166 PJT_TESTCANCEL,
167 PJT_CLEANUP_POP_IMP,
168 PJT_CLEANUP_PUSH_IMP,
169 PJT_CANCEL_ENTER,
170 PJT_CANCEL_LEAVE,
171 PJT_MAX
172} pjt_index_t;
173
174typedef int (*pthread_func_t)(void);
175typedef pthread_func_t pthread_func_entry_t[2];
176
177extern pthread_func_entry_t __thr_jtable[];
178
179void __set_error_selector(int *(*arg)(void));
180int _pthread_mutex_init_calloc_cb_stub(pthread_mutex_t *mutex,
181 void *(calloc_cb)(__size_t, __size_t));
182
183typedef int (*interpos_func_t)(void);
184interpos_func_t *__libc_interposing_slot(int interposno);
185extern interpos_func_t __libc_interposing[] __hidden;
186
187enum {
188 INTERPOS_accept,
189 INTERPOS_accept4,
190 INTERPOS_aio_suspend,
191 INTERPOS_close,
192 INTERPOS_connect,
193 INTERPOS_fcntl,
194 INTERPOS_fsync,
195 INTERPOS_fork,
196 INTERPOS_msync,
197 INTERPOS_nanosleep,
198 INTERPOS_openat,
199 INTERPOS_poll,
200 INTERPOS_pselect,
201 INTERPOS_recvfrom,
202 INTERPOS_recvmsg,
203 INTERPOS_select,
204 INTERPOS_sendmsg,
205 INTERPOS_sendto,
206 INTERPOS_setcontext,
207 INTERPOS_sigaction,
208 INTERPOS_sigprocmask,
209 INTERPOS_sigsuspend,
210 INTERPOS_sigwait,
211 INTERPOS_sigtimedwait,
212 INTERPOS_sigwaitinfo,
213 INTERPOS_swapcontext,
214 INTERPOS_system,
215 INTERPOS_tcdrain,
216 INTERPOS_read,
217 INTERPOS_readv,
218 INTERPOS_wait4,
219 INTERPOS_write,
220 INTERPOS_writev,
221 INTERPOS__pthread_mutex_init_calloc_cb,
222 INTERPOS_spinlock,
223 INTERPOS_spinunlock,
224 INTERPOS_MAX
225};
226
227/*
228 * yplib internal interfaces
229 */
230#ifdef YP
231int _yp_check(char **);
232#endif
233
234/*
235 * Initialise TLS for static programs
236 */
237void _init_tls(void);
238
239/*
240 * Provides pthread_once()-like functionality for both single-threaded
241 * and multi-threaded applications.
242 */
243int _once(pthread_once_t *, void (*)(void));
244
245/*
246 * Set the TLS thread pointer
247 */
248void _set_tp(void *tp);
249
250/*
251 * This is a pointer in the C run-time startup code. It is used
252 * by getprogname() and setprogname().
253 */
254extern const char *__progname;
255
256/*
257 * This function is used by the threading libraries to notify malloc that a
258 * thread is exiting.
259 */
260void _malloc_thread_cleanup(void);
261
262/*
263 * These functions are used by the threading libraries in order to protect
264 * malloc across fork().
265 */
266void _malloc_prefork(void);
267void _malloc_postfork(void);
268
269void _malloc_first_thread(void);
270
271/*
272 * Function to clean up streams, called from abort() and exit().
273 */
274void (*__cleanup)(void) __hidden;
274extern void (*__cleanup)(void) __hidden;
275
276/*
277 * Get kern.osreldate to detect ABI revisions. Explicitly
278 * ignores value of $OSVERSION and caches result. Prototypes
279 * for the wrapped "new" pad-less syscalls are here for now.
280 */
281int __getosreldate(void);
282#include <sys/_types.h>
283#include <sys/_sigset.h>
284
285/* With pad */
286__off_t __sys_freebsd6_lseek(int, int, __off_t, int);
287int __sys_freebsd6_ftruncate(int, int, __off_t);
288int __sys_freebsd6_truncate(const char *, int, __off_t);
289__ssize_t __sys_freebsd6_pread(int, void *, __size_t, int, __off_t);
290__ssize_t __sys_freebsd6_pwrite(int, const void *, __size_t, int, __off_t);
291void * __sys_freebsd6_mmap(void *, __size_t, int, int, int, int, __off_t);
292
293struct aiocb;
294struct fd_set;
295struct iovec;
296struct msghdr;
297struct pollfd;
298struct rusage;
299struct sigaction;
300struct sockaddr;
301struct timespec;
302struct timeval;
303struct timezone;
304struct __siginfo;
305struct __ucontext;
306int __sys_aio_suspend(const struct aiocb * const[], int,
307 const struct timespec *);
308int __sys_accept(int, struct sockaddr *, __socklen_t *);
309int __sys_accept4(int, struct sockaddr *, __socklen_t *, int);
310int __sys_clock_gettime(__clockid_t, struct timespec *ts);
311int __sys_close(int);
312int __sys_connect(int, const struct sockaddr *, __socklen_t);
313int __sys_fcntl(int, int, ...);
314int __sys_fsync(int);
315__pid_t __sys_fork(void);
316int __sys_ftruncate(int, __off_t);
317int __sys_gettimeofday(struct timeval *, struct timezone *);
318__off_t __sys_lseek(int, __off_t, int);
319void *__sys_mmap(void *, __size_t, int, int, int, __off_t);
320int __sys_msync(void *, __size_t, int);
321int __sys_nanosleep(const struct timespec *, struct timespec *);
322int __sys_open(const char *, int, ...);
323int __sys_openat(int, const char *, int, ...);
324int __sys_pselect(int, struct fd_set *, struct fd_set *,
325 struct fd_set *, const struct timespec *,
326 const __sigset_t *);
327int __sys_poll(struct pollfd *, unsigned, int);
328__ssize_t __sys_pread(int, void *, __size_t, __off_t);
329__ssize_t __sys_pwrite(int, const void *, __size_t, __off_t);
330__ssize_t __sys_read(int, void *, __size_t);
331__ssize_t __sys_readv(int, const struct iovec *, int);
332__ssize_t __sys_recv(int, void *, __size_t, int);
333__ssize_t __sys_recvfrom(int, void *, __size_t, int, struct sockaddr *,
334 __socklen_t *);
335__ssize_t __sys_recvmsg(int, struct msghdr *, int);
336int __sys_select(int, struct fd_set *, struct fd_set *,
337 struct fd_set *, struct timeval *);
338__ssize_t __sys_sendmsg(int, const struct msghdr *, int);
339__ssize_t __sys_sendto(int, const void *, __size_t, int,
340 const struct sockaddr *, __socklen_t);
341int __sys_setcontext(const struct __ucontext *);
342int __sys_sigaction(int, const struct sigaction *,
343 struct sigaction *);
344int __sys_sigprocmask(int, const __sigset_t *, __sigset_t *);
345int __sys_sigsuspend(const __sigset_t *);
346int __sys_sigtimedwait(const __sigset_t *, struct __siginfo *,
347 const struct timespec *);
348int __sys_sigwait(const __sigset_t *, int *);
349int __sys_sigwaitinfo(const __sigset_t *, struct __siginfo *);
350int __sys_swapcontext(struct __ucontext *,
351 const struct __ucontext *);
352int __sys_thr_kill(long, int);
353int __sys_thr_self(long *);
354int __sys_truncate(const char *, __off_t);
355__pid_t __sys_wait4(__pid_t, int *, int, struct rusage *);
356__ssize_t __sys_write(int, const void *, __size_t);
357__ssize_t __sys_writev(int, const struct iovec *, int);
358
359int __libc_sigwait(const __sigset_t * __restrict,
360 int * restrict sig);
361int __libc_system(const char *);
362int __libc_tcdrain(int);
363int __fcntl_compat(int fd, int cmd, ...);
364
365int __sys_futimens(int fd, const struct timespec *times) __hidden;
366int __sys_utimensat(int fd, const char *path,
367 const struct timespec *times, int flag) __hidden;
368
369/* execve() with PATH processing to implement posix_spawnp() */
370int _execvpe(const char *, char * const *, char * const *);
371
372int _elf_aux_info(int aux, void *buf, int buflen);
373struct dl_phdr_info;
374int __elf_phdr_match_addr(struct dl_phdr_info *, void *);
375void __init_elf_aux_vector(void);
376
377void _pthread_cancel_enter(int);
378void _pthread_cancel_leave(int);
379
380#endif /* _LIBC_PRIVATE_H_ */
275
276/*
277 * Get kern.osreldate to detect ABI revisions. Explicitly
278 * ignores value of $OSVERSION and caches result. Prototypes
279 * for the wrapped "new" pad-less syscalls are here for now.
280 */
281int __getosreldate(void);
282#include <sys/_types.h>
283#include <sys/_sigset.h>
284
285/* With pad */
286__off_t __sys_freebsd6_lseek(int, int, __off_t, int);
287int __sys_freebsd6_ftruncate(int, int, __off_t);
288int __sys_freebsd6_truncate(const char *, int, __off_t);
289__ssize_t __sys_freebsd6_pread(int, void *, __size_t, int, __off_t);
290__ssize_t __sys_freebsd6_pwrite(int, const void *, __size_t, int, __off_t);
291void * __sys_freebsd6_mmap(void *, __size_t, int, int, int, int, __off_t);
292
293struct aiocb;
294struct fd_set;
295struct iovec;
296struct msghdr;
297struct pollfd;
298struct rusage;
299struct sigaction;
300struct sockaddr;
301struct timespec;
302struct timeval;
303struct timezone;
304struct __siginfo;
305struct __ucontext;
306int __sys_aio_suspend(const struct aiocb * const[], int,
307 const struct timespec *);
308int __sys_accept(int, struct sockaddr *, __socklen_t *);
309int __sys_accept4(int, struct sockaddr *, __socklen_t *, int);
310int __sys_clock_gettime(__clockid_t, struct timespec *ts);
311int __sys_close(int);
312int __sys_connect(int, const struct sockaddr *, __socklen_t);
313int __sys_fcntl(int, int, ...);
314int __sys_fsync(int);
315__pid_t __sys_fork(void);
316int __sys_ftruncate(int, __off_t);
317int __sys_gettimeofday(struct timeval *, struct timezone *);
318__off_t __sys_lseek(int, __off_t, int);
319void *__sys_mmap(void *, __size_t, int, int, int, __off_t);
320int __sys_msync(void *, __size_t, int);
321int __sys_nanosleep(const struct timespec *, struct timespec *);
322int __sys_open(const char *, int, ...);
323int __sys_openat(int, const char *, int, ...);
324int __sys_pselect(int, struct fd_set *, struct fd_set *,
325 struct fd_set *, const struct timespec *,
326 const __sigset_t *);
327int __sys_poll(struct pollfd *, unsigned, int);
328__ssize_t __sys_pread(int, void *, __size_t, __off_t);
329__ssize_t __sys_pwrite(int, const void *, __size_t, __off_t);
330__ssize_t __sys_read(int, void *, __size_t);
331__ssize_t __sys_readv(int, const struct iovec *, int);
332__ssize_t __sys_recv(int, void *, __size_t, int);
333__ssize_t __sys_recvfrom(int, void *, __size_t, int, struct sockaddr *,
334 __socklen_t *);
335__ssize_t __sys_recvmsg(int, struct msghdr *, int);
336int __sys_select(int, struct fd_set *, struct fd_set *,
337 struct fd_set *, struct timeval *);
338__ssize_t __sys_sendmsg(int, const struct msghdr *, int);
339__ssize_t __sys_sendto(int, const void *, __size_t, int,
340 const struct sockaddr *, __socklen_t);
341int __sys_setcontext(const struct __ucontext *);
342int __sys_sigaction(int, const struct sigaction *,
343 struct sigaction *);
344int __sys_sigprocmask(int, const __sigset_t *, __sigset_t *);
345int __sys_sigsuspend(const __sigset_t *);
346int __sys_sigtimedwait(const __sigset_t *, struct __siginfo *,
347 const struct timespec *);
348int __sys_sigwait(const __sigset_t *, int *);
349int __sys_sigwaitinfo(const __sigset_t *, struct __siginfo *);
350int __sys_swapcontext(struct __ucontext *,
351 const struct __ucontext *);
352int __sys_thr_kill(long, int);
353int __sys_thr_self(long *);
354int __sys_truncate(const char *, __off_t);
355__pid_t __sys_wait4(__pid_t, int *, int, struct rusage *);
356__ssize_t __sys_write(int, const void *, __size_t);
357__ssize_t __sys_writev(int, const struct iovec *, int);
358
359int __libc_sigwait(const __sigset_t * __restrict,
360 int * restrict sig);
361int __libc_system(const char *);
362int __libc_tcdrain(int);
363int __fcntl_compat(int fd, int cmd, ...);
364
365int __sys_futimens(int fd, const struct timespec *times) __hidden;
366int __sys_utimensat(int fd, const char *path,
367 const struct timespec *times, int flag) __hidden;
368
369/* execve() with PATH processing to implement posix_spawnp() */
370int _execvpe(const char *, char * const *, char * const *);
371
372int _elf_aux_info(int aux, void *buf, int buflen);
373struct dl_phdr_info;
374int __elf_phdr_match_addr(struct dl_phdr_info *, void *);
375void __init_elf_aux_vector(void);
376
377void _pthread_cancel_enter(int);
378void _pthread_cancel_leave(int);
379
380#endif /* _LIBC_PRIVATE_H_ */