17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
| 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 *
|
33 *
34 * Private definitions for libc, libc_r and libpthread.
35 *
36 */
37
38#ifndef _LIBC_PRIVATE_H_
39#define _LIBC_PRIVATE_H_
40
41/*
42 * This global flag is non-zero when a process has created one
43 * or more threads. It is used to avoid calling locking functions
44 * when they are not required.
45 */
46extern int __isthreaded;
47
48/*
49 * File lock contention is difficult to diagnose without knowing
50 * where locks were set. Allow a debug library to be built which
51 * records the source file and line number of each lock call.
52 */
53#ifdef _FLOCK_DEBUG
54#define _FLOCKFILE(x) _flockfile_debug(x, __FILE__, __LINE__)
55#else
56#define _FLOCKFILE(x) _flockfile(x)
57#endif
58
59/*
60 * Macros for locking and unlocking FILEs. These test if the
61 * process is threaded to avoid locking when not required.
62 */
63#define FLOCKFILE(fp) if (__isthreaded) _FLOCKFILE(fp)
64#define FUNLOCKFILE(fp) if (__isthreaded) _funlockfile(fp)
65
66/*
67 * Indexes into the pthread jump table.
68 *
69 * Warning! If you change this type, you must also change the threads
70 * libraries that reference it (libc_r, libpthread).
71 */
72typedef enum {
73 PJT_ATFORK,
74 PJT_ATTR_DESTROY,
75 PJT_ATTR_GETDETACHSTATE,
76 PJT_ATTR_GETGUARDSIZE,
77 PJT_ATTR_GETINHERITSCHED,
78 PJT_ATTR_GETSCHEDPARAM,
79 PJT_ATTR_GETSCHEDPOLICY,
80 PJT_ATTR_GETSCOPE,
81 PJT_ATTR_GETSTACKADDR,
82 PJT_ATTR_GETSTACKSIZE,
83 PJT_ATTR_INIT,
84 PJT_ATTR_SETDETACHSTATE,
85 PJT_ATTR_SETGUARDSIZE,
86 PJT_ATTR_SETINHERITSCHED,
87 PJT_ATTR_SETSCHEDPARAM,
88 PJT_ATTR_SETSCHEDPOLICY,
89 PJT_ATTR_SETSCOPE,
90 PJT_ATTR_SETSTACKADDR,
91 PJT_ATTR_SETSTACKSIZE,
92 PJT_CANCEL,
93 PJT_CLEANUP_POP,
94 PJT_CLEANUP_PUSH,
95 PJT_COND_BROADCAST,
96 PJT_COND_DESTROY,
97 PJT_COND_INIT,
98 PJT_COND_SIGNAL,
99 PJT_COND_TIMEDWAIT,
100 PJT_COND_WAIT,
101 PJT_DETACH,
102 PJT_EQUAL,
103 PJT_EXIT,
104 PJT_GETSPECIFIC,
105 PJT_JOIN,
106 PJT_KEY_CREATE,
107 PJT_KEY_DELETE,
108 PJT_KILL,
109 PJT_MAIN_NP,
110 PJT_MUTEXATTR_DESTROY,
111 PJT_MUTEXATTR_INIT,
112 PJT_MUTEXATTR_SETTYPE,
113 PJT_MUTEX_DESTROY,
114 PJT_MUTEX_INIT,
115 PJT_MUTEX_LOCK,
116 PJT_MUTEX_TRYLOCK,
117 PJT_MUTEX_UNLOCK,
118 PJT_ONCE,
119 PJT_RWLOCK_DESTROY,
120 PJT_RWLOCK_INIT,
121 PJT_RWLOCK_RDLOCK,
122 PJT_RWLOCK_TRYRDLOCK,
123 PJT_RWLOCK_TRYWRLOCK,
124 PJT_RWLOCK_UNLOCK,
125 PJT_RWLOCK_WRLOCK,
126 PJT_SELF,
127 PJT_SETCANCELSTATE,
128 PJT_SETCANCELTYPE,
129 PJT_SETSPECIFIC,
130 PJT_SIGMASK,
131 PJT_TESTCANCEL,
132 PJT_MAX
133} pjt_index_t;
134
135typedef int (*pthread_func_t)(void);
136typedef pthread_func_t pthread_func_entry_t[2];
137
138extern pthread_func_entry_t __thr_jtable[];
139
140/*
141 * yplib internal interfaces
142 */
143#ifdef YP
144int _yp_check(char **);
145#endif
146
147/*
148 * Initialise TLS for static programs
149 */
150void _init_tls(void);
151
152/*
153 * Set the TLS thread pointer
154 */
155void _set_tp(void *tp);
156
157/*
158 * This is a pointer in the C run-time startup code. It is used
159 * by getprogname() and setprogname().
160 */
161extern const char *__progname;
162
163/*
164 * These functions are used by the threading libraries in order to protect
165 * malloc across fork().
166 */
167void _malloc_prefork(void);
168void _malloc_postfork(void);
169
170/*
171 * Function to clean up streams, called from abort() and exit().
172 */
173extern void (*__cleanup)(void);
174
175#endif /* _LIBC_PRIVATE_H_ */
| 30 *
31 * Private definitions for libc, libc_r and libpthread.
32 *
33 */
34
35#ifndef _LIBC_PRIVATE_H_
36#define _LIBC_PRIVATE_H_
37
38/*
39 * This global flag is non-zero when a process has created one
40 * or more threads. It is used to avoid calling locking functions
41 * when they are not required.
42 */
43extern int __isthreaded;
44
45/*
46 * File lock contention is difficult to diagnose without knowing
47 * where locks were set. Allow a debug library to be built which
48 * records the source file and line number of each lock call.
49 */
50#ifdef _FLOCK_DEBUG
51#define _FLOCKFILE(x) _flockfile_debug(x, __FILE__, __LINE__)
52#else
53#define _FLOCKFILE(x) _flockfile(x)
54#endif
55
56/*
57 * Macros for locking and unlocking FILEs. These test if the
58 * process is threaded to avoid locking when not required.
59 */
60#define FLOCKFILE(fp) if (__isthreaded) _FLOCKFILE(fp)
61#define FUNLOCKFILE(fp) if (__isthreaded) _funlockfile(fp)
62
63/*
64 * Indexes into the pthread jump table.
65 *
66 * Warning! If you change this type, you must also change the threads
67 * libraries that reference it (libc_r, libpthread).
68 */
69typedef enum {
70 PJT_ATFORK,
71 PJT_ATTR_DESTROY,
72 PJT_ATTR_GETDETACHSTATE,
73 PJT_ATTR_GETGUARDSIZE,
74 PJT_ATTR_GETINHERITSCHED,
75 PJT_ATTR_GETSCHEDPARAM,
76 PJT_ATTR_GETSCHEDPOLICY,
77 PJT_ATTR_GETSCOPE,
78 PJT_ATTR_GETSTACKADDR,
79 PJT_ATTR_GETSTACKSIZE,
80 PJT_ATTR_INIT,
81 PJT_ATTR_SETDETACHSTATE,
82 PJT_ATTR_SETGUARDSIZE,
83 PJT_ATTR_SETINHERITSCHED,
84 PJT_ATTR_SETSCHEDPARAM,
85 PJT_ATTR_SETSCHEDPOLICY,
86 PJT_ATTR_SETSCOPE,
87 PJT_ATTR_SETSTACKADDR,
88 PJT_ATTR_SETSTACKSIZE,
89 PJT_CANCEL,
90 PJT_CLEANUP_POP,
91 PJT_CLEANUP_PUSH,
92 PJT_COND_BROADCAST,
93 PJT_COND_DESTROY,
94 PJT_COND_INIT,
95 PJT_COND_SIGNAL,
96 PJT_COND_TIMEDWAIT,
97 PJT_COND_WAIT,
98 PJT_DETACH,
99 PJT_EQUAL,
100 PJT_EXIT,
101 PJT_GETSPECIFIC,
102 PJT_JOIN,
103 PJT_KEY_CREATE,
104 PJT_KEY_DELETE,
105 PJT_KILL,
106 PJT_MAIN_NP,
107 PJT_MUTEXATTR_DESTROY,
108 PJT_MUTEXATTR_INIT,
109 PJT_MUTEXATTR_SETTYPE,
110 PJT_MUTEX_DESTROY,
111 PJT_MUTEX_INIT,
112 PJT_MUTEX_LOCK,
113 PJT_MUTEX_TRYLOCK,
114 PJT_MUTEX_UNLOCK,
115 PJT_ONCE,
116 PJT_RWLOCK_DESTROY,
117 PJT_RWLOCK_INIT,
118 PJT_RWLOCK_RDLOCK,
119 PJT_RWLOCK_TRYRDLOCK,
120 PJT_RWLOCK_TRYWRLOCK,
121 PJT_RWLOCK_UNLOCK,
122 PJT_RWLOCK_WRLOCK,
123 PJT_SELF,
124 PJT_SETCANCELSTATE,
125 PJT_SETCANCELTYPE,
126 PJT_SETSPECIFIC,
127 PJT_SIGMASK,
128 PJT_TESTCANCEL,
129 PJT_MAX
130} pjt_index_t;
131
132typedef int (*pthread_func_t)(void);
133typedef pthread_func_t pthread_func_entry_t[2];
134
135extern pthread_func_entry_t __thr_jtable[];
136
137/*
138 * yplib internal interfaces
139 */
140#ifdef YP
141int _yp_check(char **);
142#endif
143
144/*
145 * Initialise TLS for static programs
146 */
147void _init_tls(void);
148
149/*
150 * Set the TLS thread pointer
151 */
152void _set_tp(void *tp);
153
154/*
155 * This is a pointer in the C run-time startup code. It is used
156 * by getprogname() and setprogname().
157 */
158extern const char *__progname;
159
160/*
161 * These functions are used by the threading libraries in order to protect
162 * malloc across fork().
163 */
164void _malloc_prefork(void);
165void _malloc_postfork(void);
166
167/*
168 * Function to clean up streams, called from abort() and exit().
169 */
170extern void (*__cleanup)(void);
171
172#endif /* _LIBC_PRIVATE_H_ */
|