1 karl 1.13 //%2006////////////////////////////////////////////////////////////////////////
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2 sage 1.1 //
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3 karl 1.9 // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
4 // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
5 // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
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6 karl 1.7 // IBM Corp.; EMC Corporation, The Open Group.
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7 karl 1.9 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
8 // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
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9 karl 1.10 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
10 // EMC Corporation; VERITAS Software Corporation; The Open Group.
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11 karl 1.13 // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
12 // EMC Corporation; Symantec Corporation; The Open Group.
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13 sage 1.1 //
14 // Permission is hereby granted, free of charge, to any person obtaining a copy
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15 kumpf 1.3 // of this software and associated documentation files (the "Software"), to
16 // deal in the Software without restriction, including without limitation the
17 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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18 sage 1.1 // sell copies of the Software, and to permit persons to whom the Software is
19 // furnished to do so, subject to the following conditions:
20 //
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21 kumpf 1.3 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
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22 sage 1.1 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
23 // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
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24 kumpf 1.3 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
25 // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
26 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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27 sage 1.1 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 //
30 //==============================================================================
31 //
32 // Author:
33 //
34 // Modified By:
35 //
36 //%/////////////////////////////////////////////////////////////////////////////
37
38 #ifndef IPC_AIX_include
39 #define IPC_AIX_include
40
41 #include <sched.h>
42 #include <pthread.h>
43 #include <semaphore.h>
44 #include <signal.h>
45 #include <errno.h>
46 #include <sys/time.h>
47 #include <time.h>
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48 sage 1.2 PEGASUS_NAMESPACE_BEGIN
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49 sage 1.1
50 typedef sem_t PEGASUS_SEMAPHORE_TYPE;
51 typedef pthread_t PEGASUS_THREAD_TYPE;
52 typedef pthread_mutex_t PEGASUS_MUTEX_TYPE;
53
54 typedef struct {
55 Uint32 waiters;
56 pthread_mutex_t mutex;
57 pthread_cond_t cond;
58 PEGASUS_THREAD_TYPE owner;
59 } PEGASUS_SEM_HANDLE ;
60
61 typedef struct {
62 pthread_mutex_t mut;
63 pthread_mutexattr_t mutatt;
64 pthread_t owner;
65 } PEGASUS_MUTEX_HANDLE ;
66
67 typedef PEGASUS_MUTEX_HANDLE PEGASUS_CRIT_TYPE;
68
69 typedef void *PEGASUS_CLEANUP_HANDLE ;
70 sage 1.1 typedef void *PEGASUS_THREAD_RETURN;
71
72 #define PEGASUS_THREAD_CDECL
73
74 typedef struct {
75 pthread_t thid;
76 pthread_attr_t thatt;
77 } PEGASUS_THREAD_HANDLE ;
78
79 //-----------------------------------------------------------------
80 /// Conditionals to support native or generic Conditional Semaphore
81 //-----------------------------------------------------------------
82
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83 kumpf 1.8 #define PEGASUS_CONDITIONAL_NATIVE
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84 sage 1.1
85 typedef pthread_cond_t PEGASUS_COND_TYPE;
86
87 typedef struct {
88 pthread_cond_t cond;
89 pthread_t owner;
90 } PEGASUS_COND_HANDLE;
91
92
93 //-----------------------------------------------------------------
94 /// Conditionals to support native or generic atomic variables
95 //-----------------------------------------------------------------
96
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97 kumpf 1.8 // #define PEGASUS_ATOMIC_INT_NATIVE
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98 sage 1.1
99
100 //-----------------------------------------------------------------
101 /// Conditionals to support native or generic read/write semaphores
102 //-----------------------------------------------------------------
103
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104 kumpf 1.8 #define PEGASUS_READWRITE_NATIVE
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105 sage 1.1
106 typedef struct {
107 pthread_rwlock_t rwlock;
108 pthread_t owner;
109 } PEGASUS_RWLOCK_HANDLE;
110
111
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112 sage 1.2 //PEGASUS_NAMESPACE_BEGIN
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113 sage 1.1 inline void pegasus_yield(void)
114 {
115 sched_yield();
116 }
117
118
119 // pthreads cancellation calls
120 inline void disable_cancel(void)
121 {
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122 kumpf 1.12 pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
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123 sage 1.1 }
124
125 inline void enable_cancel(void)
126 {
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127 kumpf 1.12 pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
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128 sage 1.1 }
129
130
131 // the next two routines are macros that MUST SHARE the same stack frame
132 // they are implemented as macros by glibc.
133 // native_cleanup_push( void (*func)(void *) ) ;
134 // these ALSO SET CANCEL STATE TO DEFER
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135 sage 1.4 //#define native_cleanup_push( func, arg ) \
136 // pthread_cleanup_push_defer_np((func), arg)
137
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138 sage 1.1
139 // native cleanup_pop(Boolean execute) ;
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140 sage 1.4 //#define native_cleanup_pop(execute) \
141 // pthread_cleanup_pop_restore_np(execute)
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142 sage 1.1
143 inline void pegasus_sleep(int msec)
144 {
145 struct timespec wait;
146 wait.tv_sec = msec / 1000;
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147 kumpf 1.5 wait.tv_nsec = (msec % 1000) * 1000000;
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148 sage 1.1 nanosleep(&wait, NULL);
149 }
150
151 inline void init_crit(PEGASUS_CRIT_TYPE *crit)
152 {
153 pthread_mutex_init(&(crit->mut), NULL);
154 }
155
156 inline void enter_crit(PEGASUS_CRIT_TYPE *crit)
157 {
158 pthread_mutex_lock(&(crit->mut));
159 }
160
161 inline void try_crit(PEGASUS_CRIT_TYPE *crit)
162 {
163 pthread_mutex_trylock(&(crit->mut));
164 }
165
166 inline void exit_crit(PEGASUS_CRIT_TYPE *crit)
167 {
168 pthread_mutex_unlock(&(crit->mut));
169 sage 1.1 }
170
171 inline void destroy_crit(PEGASUS_CRIT_TYPE *crit)
172 {
173 pthread_mutexattr_destroy(&(crit->mutatt));
174 }
175
176 static inline int pegasus_gettimeofday(struct timeval *tv) { return(gettimeofday(tv, NULL)); }
177
178 inline void exit_thread(PEGASUS_THREAD_RETURN rc)
179 {
180 pthread_exit(rc);
181 }
182
183 inline PEGASUS_THREAD_TYPE pegasus_thread_self(void)
184 {
185 return(pthread_self());
186 }
187
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188 chuck 1.6 // l10n start
189 typedef pthread_key_t PEGASUS_THREAD_KEY_TYPE;
190
191 inline Uint32 pegasus_key_create(PEGASUS_THREAD_KEY_TYPE * key)
192 {
193 // Note: a destructor is not supported
194 // (because not supported on Windows (?))
195 return pthread_key_create(key, NULL);
196 }
197
198 inline Uint32 pegasus_key_delete(PEGASUS_THREAD_KEY_TYPE key)
199 {
200 return pthread_key_delete(key);
201 }
202
203 inline void * pegasus_get_thread_specific(PEGASUS_THREAD_KEY_TYPE key)
204 {
205 return pthread_getspecific(key);
206 }
207
208 inline Uint32 pegasus_set_thread_specific(PEGASUS_THREAD_KEY_TYPE key,
209 chuck 1.6 void * value)
210 {
211 return pthread_setspecific(key, value);
212 }
213 // l10n end
214
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215 sage 1.1 inline void destroy_thread(PEGASUS_THREAD_TYPE th, PEGASUS_THREAD_RETURN rc)
216 {
217 pthread_cancel(th);
218 }
219
220
221 PEGASUS_NAMESPACE_END
222
223 #endif // IPCAIXInclude
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