Mercurial > hg > CbC > CbC_gcc
annotate gcc/gthr-tpf.h @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 12 Feb 2010 23:39:51 +0900 |
| parents | a06113de4d67 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* Threads compatibility routines for libgcc2 and libobjc. |
| 2 Compile this one with gcc. | |
| 3 Copyright (C) 2004, 2005, 2008, 2009 Free Software Foundation, Inc. | |
| 4 | |
| 5 This file is part of GCC. | |
| 6 | |
| 7 GCC is free software; you can redistribute it and/or modify it under | |
| 8 the terms of the GNU General Public License as published by the Free | |
| 9 Software Foundation; either version 3, or (at your option) any later | |
| 10 version. | |
| 11 | |
| 12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 Under Section 7 of GPL version 3, you are granted additional | |
| 18 permissions described in the GCC Runtime Library Exception, version | |
| 19 3.1, as published by the Free Software Foundation. | |
| 20 | |
| 21 You should have received a copy of the GNU General Public License and | |
| 22 a copy of the GCC Runtime Library Exception along with this program; | |
| 23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 24 <http://www.gnu.org/licenses/>. */ | |
| 25 | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
26 /* TPF needs its own version of gthr-*.h because TPF always links to |
| 0 | 27 the thread library. However, for performance reasons we still do not |
| 28 want to issue thread api calls unless a check is made to see that we | |
| 29 are running as a thread. */ | |
| 30 | |
| 31 #ifndef GCC_GTHR_TPF_H | |
| 32 #define GCC_GTHR_TPF_H | |
| 33 | |
| 34 /* POSIX threads specific definitions. | |
| 35 Easy, since the interface is just one-to-one mapping. */ | |
| 36 | |
| 37 #define __GTHREADS 1 | |
| 38 | |
| 39 /* Some implementations of <pthread.h> require this to be defined. */ | |
| 40 #ifndef _REENTRANT | |
| 41 #define _REENTRANT 1 | |
| 42 #endif | |
| 43 | |
| 44 #include <pthread.h> | |
| 45 #include <unistd.h> | |
| 46 | |
| 47 typedef pthread_key_t __gthread_key_t; | |
| 48 typedef pthread_once_t __gthread_once_t; | |
| 49 typedef pthread_mutex_t __gthread_mutex_t; | |
| 50 typedef pthread_mutex_t __gthread_recursive_mutex_t; | |
| 51 | |
| 52 #if defined(PTHREAD_RECURSIVE_MUTEX_INITIALIZER) | |
| 53 #define __GTHREAD_RECURSIVE_MUTEX_INIT PTHREAD_RECURSIVE_MUTEX_INITIALIZER | |
| 54 #elif defined(PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP) | |
| 55 #define __GTHREAD_RECURSIVE_MUTEX_INIT PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP | |
| 56 #endif | |
| 57 | |
| 58 #define __GTHREAD_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER | |
| 59 #define __GTHREAD_ONCE_INIT PTHREAD_ONCE_INIT | |
| 60 #define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function | |
| 61 | |
| 62 #define NOTATHREAD 00 | |
| 63 #define ECBBASEPTR (unsigned long int) *(unsigned int *)0x00000514u | |
| 64 #define ECBPG2PTR ECBBASEPTR + 0x1000 | |
| 65 #define CE2THRCPTR *((unsigned char *)(ECBPG2PTR + 16)) | |
| 66 #define __tpf_pthread_active() (CE2THRCPTR != NOTATHREAD) | |
| 67 | |
| 68 #if SUPPORTS_WEAK && GTHREAD_USE_WEAK | |
| 69 # define __gthrw(name) \ | |
| 70 static __typeof(name) __gthrw_ ## name __attribute__ ((__weakref__(#name))); | |
| 71 # define __gthrw_(name) __gthrw_ ## name | |
| 72 #else | |
| 73 # define __gthrw(name) | |
| 74 # define __gthrw_(name) name | |
| 75 #endif | |
| 76 | |
| 77 __gthrw(pthread_once) | |
| 78 __gthrw(pthread_key_create) | |
| 79 __gthrw(pthread_key_delete) | |
| 80 __gthrw(pthread_getspecific) | |
| 81 __gthrw(pthread_setspecific) | |
| 82 __gthrw(pthread_create) | |
| 83 | |
| 84 __gthrw(pthread_mutex_lock) | |
| 85 __gthrw(pthread_mutex_trylock) | |
| 86 __gthrw(pthread_mutex_unlock) | |
| 87 __gthrw(pthread_mutexattr_init) | |
| 88 __gthrw(pthread_mutexattr_settype) | |
| 89 __gthrw(pthread_mutexattr_destroy) | |
| 90 __gthrw(pthread_mutex_init) | |
| 91 __gthrw(pthread_mutex_destroy) | |
| 92 | |
| 93 static inline int | |
| 94 __gthread_active_p (void) | |
| 95 { | |
| 96 return 1; | |
| 97 } | |
| 98 | |
| 99 static inline int | |
| 100 __gthread_once (__gthread_once_t *__once, void (*__func) (void)) | |
| 101 { | |
| 102 if (__tpf_pthread_active ()) | |
| 103 return __gthrw_(pthread_once) (__once, __func); | |
| 104 else | |
| 105 return -1; | |
| 106 } | |
| 107 | |
| 108 static inline int | |
| 109 __gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *)) | |
| 110 { | |
| 111 if (__tpf_pthread_active ()) | |
| 112 return __gthrw_(pthread_key_create) (__key, __dtor); | |
| 113 else | |
| 114 return -1; | |
| 115 } | |
| 116 | |
| 117 static inline int | |
| 118 __gthread_key_delete (__gthread_key_t __key) | |
| 119 { | |
| 120 if (__tpf_pthread_active ()) | |
| 121 return __gthrw_(pthread_key_delete) (__key); | |
| 122 else | |
| 123 return -1; | |
| 124 } | |
| 125 | |
| 126 static inline void * | |
| 127 __gthread_getspecific (__gthread_key_t __key) | |
| 128 { | |
| 129 if (__tpf_pthread_active ()) | |
| 130 return __gthrw_(pthread_getspecific) (__key); | |
| 131 else | |
| 132 return NULL; | |
| 133 } | |
| 134 | |
| 135 static inline int | |
| 136 __gthread_setspecific (__gthread_key_t __key, const void *__ptr) | |
| 137 { | |
| 138 if (__tpf_pthread_active ()) | |
| 139 return __gthrw_(pthread_setspecific) (__key, __ptr); | |
| 140 else | |
| 141 return -1; | |
| 142 } | |
| 143 | |
| 144 static inline int | |
| 145 __gthread_mutex_destroy (__gthread_mutex_t *__mutex) | |
| 146 { | |
| 147 if (__tpf_pthread_active ()) | |
| 148 return __gthrw_(pthread_mutex_destroy) (__mutex); | |
| 149 else | |
| 150 return 0; | |
| 151 } | |
| 152 | |
| 153 static inline int | |
| 154 __gthread_mutex_lock (__gthread_mutex_t *__mutex) | |
| 155 { | |
| 156 if (__tpf_pthread_active ()) | |
| 157 return __gthrw_(pthread_mutex_lock) (__mutex); | |
| 158 else | |
| 159 return 0; | |
| 160 } | |
| 161 | |
| 162 static inline int | |
| 163 __gthread_mutex_trylock (__gthread_mutex_t *__mutex) | |
| 164 { | |
| 165 if (__tpf_pthread_active ()) | |
| 166 return __gthrw_(pthread_mutex_trylock) (__mutex); | |
| 167 else | |
| 168 return 0; | |
| 169 } | |
| 170 | |
| 171 static inline int | |
| 172 __gthread_mutex_unlock (__gthread_mutex_t *__mutex) | |
| 173 { | |
| 174 if (__tpf_pthread_active ()) | |
| 175 return __gthrw_(pthread_mutex_unlock) (__mutex); | |
| 176 else | |
| 177 return 0; | |
| 178 } | |
| 179 | |
| 180 static inline int | |
| 181 __gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex) | |
| 182 { | |
| 183 if (__tpf_pthread_active ()) | |
| 184 return __gthread_mutex_lock (__mutex); | |
| 185 else | |
| 186 return 0; | |
| 187 } | |
| 188 | |
| 189 static inline int | |
| 190 __gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex) | |
| 191 { | |
| 192 if (__tpf_pthread_active ()) | |
| 193 return __gthread_mutex_trylock (__mutex); | |
| 194 else | |
| 195 return 0; | |
| 196 } | |
| 197 | |
| 198 static inline int | |
| 199 __gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex) | |
| 200 { | |
| 201 if (__tpf_pthread_active ()) | |
| 202 return __gthread_mutex_unlock (__mutex); | |
| 203 else | |
| 204 return 0; | |
| 205 } | |
| 206 | |
| 207 static inline int | |
| 208 __gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *__mutex) | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
209 { |
| 0 | 210 if (__tpf_pthread_active ()) |
| 211 { | |
| 212 pthread_mutexattr_t __attr; | |
| 213 int __r; | |
| 214 | |
| 215 __r = __gthrw_(pthread_mutexattr_init) (&__attr); | |
| 216 if (!__r) | |
| 217 __r = __gthrw_(pthread_mutexattr_settype) (&__attr, | |
| 218 PTHREAD_MUTEX_RECURSIVE); | |
| 219 if (!__r) | |
| 220 __r = __gthrw_(pthread_mutex_init) (__mutex, &__attr); | |
| 221 if (!__r) | |
| 222 __r = __gthrw_(pthread_mutexattr_destroy) (&__attr); | |
| 223 return __r; | |
| 224 } | |
| 225 return 0; | |
| 226 } | |
| 227 | |
| 228 | |
| 229 #endif /* ! GCC_GTHR_TPF_H */ |