| 1 | /* Copyright (C) 2010-2020 The RetroArch team |
| 2 | * |
| 3 | * --------------------------------------------------------------------------------------- |
| 4 | * The following license statement only applies to this file (gx_pthread.h). |
| 5 | * --------------------------------------------------------------------------------------- |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, |
| 8 | * to any person obtaining a copy of this software and associated documentation files (the "Software"), |
| 9 | * to deal in the Software without restriction, including without limitation the rights to |
| 10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, |
| 11 | * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
| 16 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| 19 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #ifndef _GX_PTHREAD_WRAP_GX_ |
| 24 | #define _GX_PTHREAD_WRAP_GX_ |
| 25 | |
| 26 | #include <ogcsys.h> |
| 27 | #include <gccore.h> |
| 28 | #include <ogc/cond.h> |
| 29 | #include <retro_inline.h> |
| 30 | |
| 31 | #ifndef OSThread |
| 32 | #define OSThread lwp_t |
| 33 | #endif |
| 34 | |
| 35 | #ifndef OSCond |
| 36 | #define OSCond lwpq_t |
| 37 | #endif |
| 38 | |
| 39 | #ifndef OSThreadQueue |
| 40 | #define OSThreadQueue lwpq_t |
| 41 | #endif |
| 42 | |
| 43 | #ifndef OSInitMutex |
| 44 | #define OSInitMutex(mutex) LWP_MutexInit(mutex, 0) |
| 45 | #endif |
| 46 | |
| 47 | #ifndef OSLockMutex |
| 48 | #define OSLockMutex(mutex) LWP_MutexLock(mutex) |
| 49 | #endif |
| 50 | |
| 51 | #ifndef OSUnlockMutex |
| 52 | #define OSUnlockMutex(mutex) LWP_MutexUnlock(mutex) |
| 53 | #endif |
| 54 | |
| 55 | #ifndef OSTryLockMutex |
| 56 | #define OSTryLockMutex(mutex) LWP_MutexTryLock(mutex) |
| 57 | #endif |
| 58 | |
| 59 | #ifndef OSInitCond |
| 60 | #define OSInitCond(cond) LWP_CondInit(cond) |
| 61 | #endif |
| 62 | |
| 63 | #ifndef OSWaitCond |
| 64 | #define OSWaitCond(cond, mutex) LWP_CondWait(cond, mutex) |
| 65 | #endif |
| 66 | |
| 67 | #ifndef OSInitThreadQueue |
| 68 | #define OSInitThreadQueue(queue) LWP_InitQueue(queue) |
| 69 | #endif |
| 70 | |
| 71 | #ifndef OSSleepThread |
| 72 | #define OSSleepThread(queue) LWP_ThreadSleep(queue) |
| 73 | #endif |
| 74 | |
| 75 | #ifndef OSJoinThread |
| 76 | #define OSJoinThread(thread, val) LWP_JoinThread(thread, val) |
| 77 | #endif |
| 78 | |
| 79 | #ifndef OSCreateThread |
| 80 | #define OSCreateThread(thread, func, intarg, ptrarg, stackbase, stacksize, priority, attrs) LWP_CreateThread(thread, func, ptrarg, stackbase, stacksize, priority) |
| 81 | #endif |
| 82 | |
| 83 | #define STACKSIZE (8 * 1024) |
| 84 | |
| 85 | typedef OSThread pthread_t; |
| 86 | typedef mutex_t pthread_mutex_t; |
| 87 | typedef OSCond pthread_cond_t; |
| 88 | |
| 89 | #if defined(GX_PTHREAD_LEGACY) |
| 90 | typedef void* pthread_mutexattr_t; |
| 91 | typedef int pthread_attr_t; |
| 92 | typedef OSCond pthread_condattr_t; |
| 93 | #endif |
| 94 | |
| 95 | static INLINE int pthread_create(pthread_t *thread, |
| 96 | const pthread_attr_t *attr, void *(*start_routine)(void*), void *arg) |
| 97 | { |
| 98 | *thread = 0; |
| 99 | return OSCreateThread(thread, start_routine, 0 /* unused */, arg, |
| 100 | 0, STACKSIZE, 64, 0 /* unused */); |
| 101 | } |
| 102 | |
| 103 | static INLINE pthread_t pthread_self(void) |
| 104 | { |
| 105 | /* zero 20-mar-2016: untested */ |
| 106 | return LWP_GetSelf(); |
| 107 | } |
| 108 | |
| 109 | static INLINE int pthread_mutex_init(pthread_mutex_t *mutex, |
| 110 | const pthread_mutexattr_t *attr) |
| 111 | { |
| 112 | return OSInitMutex(mutex); |
| 113 | } |
| 114 | |
| 115 | static INLINE int pthread_mutex_destroy(pthread_mutex_t *mutex) |
| 116 | { |
| 117 | return LWP_MutexDestroy(*mutex); |
| 118 | } |
| 119 | |
| 120 | static INLINE int pthread_mutex_lock(pthread_mutex_t *mutex) |
| 121 | { |
| 122 | return OSLockMutex(*mutex); |
| 123 | } |
| 124 | |
| 125 | static INLINE int pthread_mutex_unlock(pthread_mutex_t *mutex) |
| 126 | { |
| 127 | return OSUnlockMutex(*mutex); |
| 128 | } |
| 129 | |
| 130 | static INLINE void pthread_exit(void *retval) |
| 131 | { |
| 132 | /* FIXME: No LWP equivalent for this? */ |
| 133 | (void)retval; |
| 134 | } |
| 135 | |
| 136 | static INLINE int pthread_detach(pthread_t thread) |
| 137 | { |
| 138 | /* FIXME: pthread_detach equivalent missing? */ |
| 139 | (void)thread; |
| 140 | return 0; |
| 141 | } |
| 142 | |
| 143 | static INLINE int pthread_join(pthread_t thread, void **retval) |
| 144 | { |
| 145 | return OSJoinThread(thread, retval); |
| 146 | } |
| 147 | |
| 148 | static INLINE int pthread_mutex_trylock(pthread_mutex_t *mutex) |
| 149 | { |
| 150 | return OSTryLockMutex(*mutex); |
| 151 | } |
| 152 | |
| 153 | static INLINE int pthread_cond_wait(pthread_cond_t *cond, |
| 154 | pthread_mutex_t *mutex) |
| 155 | { |
| 156 | return OSWaitCond(*cond, *mutex); |
| 157 | } |
| 158 | |
| 159 | static INLINE int pthread_cond_timedwait(pthread_cond_t *cond, |
| 160 | pthread_mutex_t *mutex, const struct timespec *abstime) |
| 161 | { |
| 162 | return LWP_CondTimedWait(*cond, *mutex, abstime); |
| 163 | } |
| 164 | |
| 165 | static INLINE int pthread_cond_init(pthread_cond_t *cond, |
| 166 | const pthread_condattr_t *attr) |
| 167 | { |
| 168 | return OSInitCond(cond); |
| 169 | } |
| 170 | |
| 171 | static INLINE int pthread_cond_signal(pthread_cond_t *cond) |
| 172 | { |
| 173 | return LWP_CondSignal(*cond); |
| 174 | } |
| 175 | |
| 176 | static INLINE int pthread_cond_broadcast(pthread_cond_t *cond) |
| 177 | { |
| 178 | return LWP_CondBroadcast(*cond); |
| 179 | } |
| 180 | |
| 181 | static INLINE int pthread_cond_destroy(pthread_cond_t *cond) |
| 182 | { |
| 183 | return LWP_CondDestroy(*cond); |
| 184 | } |
| 185 | |
| 186 | #endif |