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 287292 2015-08-29 14:25:01Z kib $
| 29 * $FreeBSD: head/lib/libc/include/libc_private.h 295407 2016-02-08 19:24:13Z 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_kevent,
225 INTERPOS_wait6,
226 INTERPOS_ppoll,
| 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_kevent,
225 INTERPOS_wait6,
226 INTERPOS_ppoll,
|
| 227 INTERPOS_map_stacks_exec,
|
227 INTERPOS_MAX
228};
229
230/*
231 * yplib internal interfaces
232 */
233#ifdef YP
234int _yp_check(char **);
235#endif
236
237/*
238 * Initialise TLS for static programs
239 */
240void _init_tls(void);
241
242/*
243 * Provides pthread_once()-like functionality for both single-threaded
244 * and multi-threaded applications.
245 */
246int _once(pthread_once_t *, void (*)(void));
247
248/*
249 * Set the TLS thread pointer
250 */
251void _set_tp(void *tp);
252
253/*
254 * This is a pointer in the C run-time startup code. It is used
255 * by getprogname() and setprogname().
256 */
257extern const char *__progname;
258
259/*
260 * This function is used by the threading libraries to notify malloc that a
261 * thread is exiting.
262 */
263void _malloc_thread_cleanup(void);
264
265/*
266 * These functions are used by the threading libraries in order to protect
267 * malloc across fork().
268 */
269void _malloc_prefork(void);
270void _malloc_postfork(void);
271
272void _malloc_first_thread(void);
273
274/*
275 * Function to clean up streams, called from abort() and exit().
276 */
277extern void (*__cleanup)(void) __hidden;
278
279/*
280 * Get kern.osreldate to detect ABI revisions. Explicitly
281 * ignores value of $OSVERSION and caches result.
282 */
283int __getosreldate(void);
284#include <sys/_types.h>
285#include <sys/_sigset.h>
286
287struct aiocb;
288struct fd_set;
289struct iovec;
290struct kevent;
291struct msghdr;
292struct pollfd;
293struct rusage;
294struct sigaction;
295struct sockaddr;
296struct timespec;
297struct timeval;
298struct timezone;
299struct __siginfo;
300struct __ucontext;
301struct __wrusage;
302enum idtype;
303int __sys_aio_suspend(const struct aiocb * const[], int,
304 const struct timespec *);
305int __sys_accept(int, struct sockaddr *, __socklen_t *);
306int __sys_accept4(int, struct sockaddr *, __socklen_t *, int);
307int __sys_clock_gettime(__clockid_t, struct timespec *ts);
308int __sys_close(int);
309int __sys_connect(int, const struct sockaddr *, __socklen_t);
310int __sys_fcntl(int, int, ...);
311int __sys_fsync(int);
312__pid_t __sys_fork(void);
313int __sys_ftruncate(int, __off_t);
314int __sys_gettimeofday(struct timeval *, struct timezone *);
315int __sys_kevent(int, const struct kevent *, int, struct kevent *,
316 int, const struct timespec *);
317__off_t __sys_lseek(int, __off_t, int);
318void *__sys_mmap(void *, __size_t, int, int, int, __off_t);
319int __sys_msync(void *, __size_t, int);
320int __sys_nanosleep(const struct timespec *, struct timespec *);
321int __sys_open(const char *, int, ...);
322int __sys_openat(int, const char *, int, ...);
323int __sys_pselect(int, struct fd_set *, struct fd_set *,
324 struct fd_set *, const struct timespec *,
325 const __sigset_t *);
326int __sys_poll(struct pollfd *, unsigned, int);
327int __sys_ppoll(struct pollfd *, unsigned, const struct timespec *,
328 const __sigset_t *);
329__ssize_t __sys_pread(int, void *, __size_t, __off_t);
330__ssize_t __sys_pwrite(int, const void *, __size_t, __off_t);
331__ssize_t __sys_read(int, void *, __size_t);
332__ssize_t __sys_readv(int, const struct iovec *, int);
333__ssize_t __sys_recv(int, void *, __size_t, int);
334__ssize_t __sys_recvfrom(int, void *, __size_t, int, struct sockaddr *,
335 __socklen_t *);
336__ssize_t __sys_recvmsg(int, struct msghdr *, int);
337int __sys_select(int, struct fd_set *, struct fd_set *,
338 struct fd_set *, struct timeval *);
339__ssize_t __sys_sendmsg(int, const struct msghdr *, int);
340__ssize_t __sys_sendto(int, const void *, __size_t, int,
341 const struct sockaddr *, __socklen_t);
342int __sys_setcontext(const struct __ucontext *);
343int __sys_sigaction(int, const struct sigaction *,
344 struct sigaction *);
345int __sys_sigprocmask(int, const __sigset_t *, __sigset_t *);
346int __sys_sigsuspend(const __sigset_t *);
347int __sys_sigtimedwait(const __sigset_t *, struct __siginfo *,
348 const struct timespec *);
349int __sys_sigwait(const __sigset_t *, int *);
350int __sys_sigwaitinfo(const __sigset_t *, struct __siginfo *);
351int __sys_swapcontext(struct __ucontext *,
352 const struct __ucontext *);
353int __sys_thr_kill(long, int);
354int __sys_thr_self(long *);
355int __sys_truncate(const char *, __off_t);
356__pid_t __sys_wait4(__pid_t, int *, int, struct rusage *);
357__pid_t __sys_wait6(enum idtype, __id_t, int *, int,
358 struct __wrusage *, struct __siginfo *);
359__ssize_t __sys_write(int, const void *, __size_t);
360__ssize_t __sys_writev(int, const struct iovec *, int);
361
362int __libc_sigaction(int, const struct sigaction *,
363 struct sigaction *) __hidden;
364int __libc_sigprocmask(int, const __sigset_t *, __sigset_t *)
365 __hidden;
366int __libc_sigsuspend(const __sigset_t *) __hidden;
367int __libc_sigwait(const __sigset_t * __restrict,
368 int * restrict sig);
369int __libc_system(const char *);
370int __libc_tcdrain(int);
371int __fcntl_compat(int fd, int cmd, ...);
372
373int __sys_futimens(int fd, const struct timespec *times) __hidden;
374int __sys_utimensat(int fd, const char *path,
375 const struct timespec *times, int flag) __hidden;
376
377/* execve() with PATH processing to implement posix_spawnp() */
378int _execvpe(const char *, char * const *, char * const *);
379
380int _elf_aux_info(int aux, void *buf, int buflen);
381struct dl_phdr_info;
382int __elf_phdr_match_addr(struct dl_phdr_info *, void *);
383void __init_elf_aux_vector(void);
| 228 INTERPOS_MAX
229};
230
231/*
232 * yplib internal interfaces
233 */
234#ifdef YP
235int _yp_check(char **);
236#endif
237
238/*
239 * Initialise TLS for static programs
240 */
241void _init_tls(void);
242
243/*
244 * Provides pthread_once()-like functionality for both single-threaded
245 * and multi-threaded applications.
246 */
247int _once(pthread_once_t *, void (*)(void));
248
249/*
250 * Set the TLS thread pointer
251 */
252void _set_tp(void *tp);
253
254/*
255 * This is a pointer in the C run-time startup code. It is used
256 * by getprogname() and setprogname().
257 */
258extern const char *__progname;
259
260/*
261 * This function is used by the threading libraries to notify malloc that a
262 * thread is exiting.
263 */
264void _malloc_thread_cleanup(void);
265
266/*
267 * These functions are used by the threading libraries in order to protect
268 * malloc across fork().
269 */
270void _malloc_prefork(void);
271void _malloc_postfork(void);
272
273void _malloc_first_thread(void);
274
275/*
276 * Function to clean up streams, called from abort() and exit().
277 */
278extern void (*__cleanup)(void) __hidden;
279
280/*
281 * Get kern.osreldate to detect ABI revisions. Explicitly
282 * ignores value of $OSVERSION and caches result.
283 */
284int __getosreldate(void);
285#include <sys/_types.h>
286#include <sys/_sigset.h>
287
288struct aiocb;
289struct fd_set;
290struct iovec;
291struct kevent;
292struct msghdr;
293struct pollfd;
294struct rusage;
295struct sigaction;
296struct sockaddr;
297struct timespec;
298struct timeval;
299struct timezone;
300struct __siginfo;
301struct __ucontext;
302struct __wrusage;
303enum idtype;
304int __sys_aio_suspend(const struct aiocb * const[], int,
305 const struct timespec *);
306int __sys_accept(int, struct sockaddr *, __socklen_t *);
307int __sys_accept4(int, struct sockaddr *, __socklen_t *, int);
308int __sys_clock_gettime(__clockid_t, struct timespec *ts);
309int __sys_close(int);
310int __sys_connect(int, const struct sockaddr *, __socklen_t);
311int __sys_fcntl(int, int, ...);
312int __sys_fsync(int);
313__pid_t __sys_fork(void);
314int __sys_ftruncate(int, __off_t);
315int __sys_gettimeofday(struct timeval *, struct timezone *);
316int __sys_kevent(int, const struct kevent *, int, struct kevent *,
317 int, const struct timespec *);
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);
328int __sys_ppoll(struct pollfd *, unsigned, const struct timespec *,
329 const __sigset_t *);
330__ssize_t __sys_pread(int, void *, __size_t, __off_t);
331__ssize_t __sys_pwrite(int, const void *, __size_t, __off_t);
332__ssize_t __sys_read(int, void *, __size_t);
333__ssize_t __sys_readv(int, const struct iovec *, int);
334__ssize_t __sys_recv(int, void *, __size_t, int);
335__ssize_t __sys_recvfrom(int, void *, __size_t, int, struct sockaddr *,
336 __socklen_t *);
337__ssize_t __sys_recvmsg(int, struct msghdr *, int);
338int __sys_select(int, struct fd_set *, struct fd_set *,
339 struct fd_set *, struct timeval *);
340__ssize_t __sys_sendmsg(int, const struct msghdr *, int);
341__ssize_t __sys_sendto(int, const void *, __size_t, int,
342 const struct sockaddr *, __socklen_t);
343int __sys_setcontext(const struct __ucontext *);
344int __sys_sigaction(int, const struct sigaction *,
345 struct sigaction *);
346int __sys_sigprocmask(int, const __sigset_t *, __sigset_t *);
347int __sys_sigsuspend(const __sigset_t *);
348int __sys_sigtimedwait(const __sigset_t *, struct __siginfo *,
349 const struct timespec *);
350int __sys_sigwait(const __sigset_t *, int *);
351int __sys_sigwaitinfo(const __sigset_t *, struct __siginfo *);
352int __sys_swapcontext(struct __ucontext *,
353 const struct __ucontext *);
354int __sys_thr_kill(long, int);
355int __sys_thr_self(long *);
356int __sys_truncate(const char *, __off_t);
357__pid_t __sys_wait4(__pid_t, int *, int, struct rusage *);
358__pid_t __sys_wait6(enum idtype, __id_t, int *, int,
359 struct __wrusage *, struct __siginfo *);
360__ssize_t __sys_write(int, const void *, __size_t);
361__ssize_t __sys_writev(int, const struct iovec *, int);
362
363int __libc_sigaction(int, const struct sigaction *,
364 struct sigaction *) __hidden;
365int __libc_sigprocmask(int, const __sigset_t *, __sigset_t *)
366 __hidden;
367int __libc_sigsuspend(const __sigset_t *) __hidden;
368int __libc_sigwait(const __sigset_t * __restrict,
369 int * restrict sig);
370int __libc_system(const char *);
371int __libc_tcdrain(int);
372int __fcntl_compat(int fd, int cmd, ...);
373
374int __sys_futimens(int fd, const struct timespec *times) __hidden;
375int __sys_utimensat(int fd, const char *path,
376 const struct timespec *times, int flag) __hidden;
377
378/* execve() with PATH processing to implement posix_spawnp() */
379int _execvpe(const char *, char * const *, char * const *);
380
381int _elf_aux_info(int aux, void *buf, int buflen);
382struct dl_phdr_info;
383int __elf_phdr_match_addr(struct dl_phdr_info *, void *);
384void __init_elf_aux_vector(void);
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| 385void __libc_map_stacks_exec();
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384
385void _pthread_cancel_enter(int);
386void _pthread_cancel_leave(int);
387
388#endif /* _LIBC_PRIVATE_H_ */
| 386
387void _pthread_cancel_enter(int);
388void _pthread_cancel_leave(int);
389
390#endif /* _LIBC_PRIVATE_H_ */
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