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-rw-r--r--src/lib/libc/include/ctype_private.h7
-rw-r--r--src/lib/libc/include/namespace.h18
-rw-r--r--src/lib/libc/include/thread_private.h175
3 files changed, 200 insertions, 0 deletions
diff --git a/src/lib/libc/include/ctype_private.h b/src/lib/libc/include/ctype_private.h
new file mode 100644
index 0000000000..39cc792ea4
--- /dev/null
+++ b/src/lib/libc/include/ctype_private.h
@@ -0,0 +1,7 @@
1/* $OpenBSD: ctype_private.h,v 1.1 2005/08/08 05:53:00 espie Exp $ */
2/* Written by Marc Espie, public domain */
3#define CTYPE_NUM_CHARS 256
4extern const char _C_ctype_[];
5extern const short _C_toupper_[];
6extern const short _C_tolower_[];
7
diff --git a/src/lib/libc/include/namespace.h b/src/lib/libc/include/namespace.h
new file mode 100644
index 0000000000..4a51f15ddf
--- /dev/null
+++ b/src/lib/libc/include/namespace.h
@@ -0,0 +1,18 @@
1/* $OpenBSD: namespace.h,v 1.2 1996/08/19 08:28:08 tholo Exp $ */
2
3#define catclose _catclose
4#define catgets _catgets
5#define catopen _catopen
6#define err _err
7#define errx _errx
8#define strtoq _strtoq
9#define strtouq _strtouq
10#define sys_errlist _sys_errlist
11#define sys_nerr _sys_nerr
12#define sys_siglist _sys_siglist
13#define verr _verr
14#define verrx _verrx
15#define vwarn _vwarn
16#define vwarnx _vwarnx
17#define warn _warn
18#define warnx _warnx
diff --git a/src/lib/libc/include/thread_private.h b/src/lib/libc/include/thread_private.h
new file mode 100644
index 0000000000..673fb9c6a6
--- /dev/null
+++ b/src/lib/libc/include/thread_private.h
@@ -0,0 +1,175 @@
1/* $OpenBSD: thread_private.h,v 1.25 2011/10/16 06:29:56 guenther Exp $ */
2
3/* PUBLIC DOMAIN: No Rights Reserved. Marco S Hyman <marc@snafu.org> */
4
5#ifndef _THREAD_PRIVATE_H_
6#define _THREAD_PRIVATE_H_
7
8/*
9 * This file defines the thread library interface to libc. Thread
10 * libraries must implement the functions described here for proper
11 * inter-operation with libc. libc contains weak versions of the
12 * described functions for operation in a non-threaded environment.
13 */
14
15/*
16 * This variable is 0 until a second thread is created.
17 */
18extern int __isthreaded;
19
20/*
21 * Weak symbols are used in libc so that the thread library can
22 * efficiently wrap libc functions.
23 *
24 * Use WEAK_NAME(n) to get a libc-private name for n (_weak_n),
25 * WEAK_ALIAS(n) to generate the weak symbol n pointing to _weak_n,
26 * WEAK_PROTOTYPE(n) to generate a prototype for _weak_n (based on n).
27 */
28#define WEAK_NAME(name) __CONCAT(_weak_,name)
29#define WEAK_ALIAS(name) __weak_alias(name, WEAK_NAME(name))
30#ifdef __GNUC__
31#define WEAK_PROTOTYPE(name) __typeof__(name) WEAK_NAME(name)
32#else
33#define WEAK_PROTOTYPE(name) /* typeof() only in gcc */
34#endif
35
36/*
37 * Ditto for hand-written syscall stubs:
38 *
39 * Use STUB_NAME(n) to get the strong name of the stub: _thread_sys_n
40 * STUB_ALIAS(n) to generate the weak symbol n pointing to _thread_sys_n,
41 * STUB_PROTOTYPE(n) to generate a prototype for _thread_sys_n (based on n).
42 */
43#define STUB_NAME(name) __CONCAT(_thread_sys_,name)
44#define STUB_ALIAS(name) __weak_alias(name, STUB_NAME(name))
45#ifdef __GNUC__
46#define STUB_PROTOTYPE(name) __typeof__(name) STUB_NAME(name)
47#else
48#define STUB_PROTOTYPE(name) /* typeof() only in gcc */
49#endif
50
51/*
52 * helper macro to make unique names in the thread namespace
53 */
54#define __THREAD_NAME(name) __CONCAT(_thread_tagname_,name)
55
56/*
57 * helper functions that exist as (weak) null functions in libc and
58 * (strong) functions in the thread library. These functions:
59 *
60 * _thread_tag_lock:
61 * lock the mutex associated with the given tag. If the given
62 * tag is NULL a tag is first allocated.
63 *
64 * _thread_tag_unlock:
65 * unlock the mutex associated with the given tag. If the given
66 * tag is NULL a tag is first allocated.
67 *
68 * _thread_tag_storage:
69 * return a pointer to per thread instance of data associated
70 * with the given tag. If the given tag is NULL a tag is first
71 * allocated.
72 *
73 * _thread_mutex_lock:
74 * lock the given mutex. If the given mutex is NULL,
75 * rely on rthreads/pthreads implementation to initialize
76 * the mutex before locking.
77 *
78 * _thread_mutex_unlock:
79 * unlock the given mutex.
80 *
81 * _thread_mutex_destroy:
82 * destroy the given mutex.
83 */
84void _thread_tag_lock(void **);
85void _thread_tag_unlock(void **);
86void *_thread_tag_storage(void **, void *, size_t, void *);
87void _thread_mutex_lock(void **);
88void _thread_mutex_unlock(void **);
89void _thread_mutex_destroy(void **);
90
91/*
92 * Macros used in libc to access thread mutex, keys, and per thread storage.
93 * _THREAD_PRIVATE_KEY and _THREAD_PRIVATE_MUTEX are different macros for
94 * historical reasons. They do the same thing, define a static variable
95 * keyed by 'name' that identifies a mutex and a key to identify per thread
96 * data.
97 */
98#define _THREAD_PRIVATE_KEY(name) \
99 static void *__THREAD_NAME(name)
100#define _THREAD_PRIVATE_MUTEX(name) \
101 static void *__THREAD_NAME(name)
102#define _THREAD_PRIVATE_MUTEX_LOCK(name) \
103 _thread_tag_lock(&(__THREAD_NAME(name)))
104#define _THREAD_PRIVATE_MUTEX_UNLOCK(name) \
105 _thread_tag_unlock(&(__THREAD_NAME(name)))
106#define _THREAD_PRIVATE(keyname, storage, error) \
107 _thread_tag_storage(&(__THREAD_NAME(keyname)), &(storage), \
108 sizeof (storage), error)
109
110/*
111 * Macros used in libc to access mutexes.
112 */
113#define _MUTEX_LOCK(mutex) \
114 do { \
115 if (__isthreaded) \
116 _thread_mutex_lock(mutex); \
117 } while (0)
118#define _MUTEX_UNLOCK(mutex) \
119 do { \
120 if (__isthreaded) \
121 _thread_mutex_unlock(mutex); \
122 } while (0)
123#define _MUTEX_DESTROY(mutex) \
124 do { \
125 if (__isthreaded) \
126 _thread_mutex_destroy(mutex); \
127 } while (0)
128
129/*
130 * Resolver code is special cased in that it uses global keys.
131 */
132extern void *__THREAD_NAME(_res);
133extern void *__THREAD_NAME(_res_ext);
134extern void *__THREAD_NAME(serv_mutex);
135
136/*
137 * malloc lock/unlock prototypes and definitions
138 */
139void _thread_malloc_lock(void);
140void _thread_malloc_unlock(void);
141
142#define _MALLOC_LOCK() do { \
143 if (__isthreaded) \
144 _thread_malloc_lock(); \
145 } while (0)
146#define _MALLOC_UNLOCK() do { \
147 if (__isthreaded) \
148 _thread_malloc_unlock();\
149 } while (0)
150
151void _thread_atexit_lock(void);
152void _thread_atexit_unlock(void);
153
154#define _ATEXIT_LOCK() do { \
155 if (__isthreaded) \
156 _thread_atexit_lock(); \
157 } while (0)
158#define _ATEXIT_UNLOCK() do { \
159 if (__isthreaded) \
160 _thread_atexit_unlock();\
161 } while (0)
162
163void _thread_arc4_lock(void);
164void _thread_arc4_unlock(void);
165
166#define _ARC4_LOCK() do { \
167 if (__isthreaded) \
168 _thread_arc4_lock(); \
169 } while (0)
170#define _ARC4_UNLOCK() do { \
171 if (__isthreaded) \
172 _thread_arc4_unlock();\
173 } while (0)
174
175#endif /* _THREAD_PRIVATE_H_ */
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