| 1 | /* Copyright (C) 2010-2016 The RetroArch team |
| 2 | * |
| 3 | * --------------------------------------------------------------------------------------- |
| 4 | * The following license statement only applies to this file (wiiu_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 _WIIU_PTHREAD_WRAP_WIIU_ |
| 24 | #define _WIIU_PTHREAD_WRAP_WIIU_ |
| 25 | |
| 26 | #include <retro_inline.h> |
| 27 | #include <wiiu/os/condition.h> |
| 28 | #include <wiiu/os/thread.h> |
| 29 | #include <wiiu/os/mutex.h> |
| 30 | #include <malloc.h> |
| 31 | #define STACKSIZE (8 * 1024) |
| 32 | |
| 33 | typedef OSThread* pthread_t; |
| 34 | typedef OSMutex* pthread_mutex_t; |
| 35 | typedef void* pthread_mutexattr_t; |
| 36 | typedef int pthread_attr_t; |
| 37 | typedef OSCondition* pthread_cond_t; |
| 38 | typedef OSCondition* pthread_condattr_t; |
| 39 | |
| 40 | static INLINE int pthread_create(pthread_t *thread, |
| 41 | const pthread_attr_t *attr, void *(*start_routine)(void*), void *arg) |
| 42 | { |
| 43 | OSThread *t = memalign(8, sizeof(OSThread)); |
| 44 | void *stack = memalign(32, STACKSIZE); |
| 45 | bool ret = OSCreateThread(t, (OSThreadEntryPointFn)start_routine, |
| 46 | (uint32_t)arg, NULL, (void*)(((uint32_t)stack)+STACKSIZE), STACKSIZE, 8, OS_THREAD_ATTRIB_AFFINITY_ANY); |
| 47 | if(ret == true) |
| 48 | { |
| 49 | OSResumeThread(t); |
| 50 | *thread = t; |
| 51 | } |
| 52 | else |
| 53 | *thread = NULL; |
| 54 | return (ret == true) ? 0 : -1; |
| 55 | } |
| 56 | |
| 57 | static INLINE pthread_t pthread_self(void) |
| 58 | { |
| 59 | return OSGetCurrentThread(); |
| 60 | } |
| 61 | |
| 62 | static INLINE int pthread_mutex_init(pthread_mutex_t *mutex, |
| 63 | const pthread_mutexattr_t *attr) |
| 64 | { |
| 65 | OSMutex *m = malloc(sizeof(OSMutex)); |
| 66 | OSInitMutex(m); |
| 67 | *mutex = m; |
| 68 | return 0; |
| 69 | } |
| 70 | |
| 71 | static INLINE int pthread_mutex_destroy(pthread_mutex_t *mutex) |
| 72 | { |
| 73 | if(*mutex) |
| 74 | free(*mutex); |
| 75 | *mutex = NULL; |
| 76 | return 0; |
| 77 | } |
| 78 | |
| 79 | static INLINE int pthread_mutex_lock(pthread_mutex_t *mutex) |
| 80 | { |
| 81 | OSLockMutex(*mutex); |
| 82 | return 0; |
| 83 | } |
| 84 | |
| 85 | static INLINE int pthread_mutex_unlock(pthread_mutex_t *mutex) |
| 86 | { |
| 87 | OSUnlockMutex(*mutex); |
| 88 | return 0; |
| 89 | } |
| 90 | |
| 91 | static INLINE void pthread_exit(void *retval) |
| 92 | { |
| 93 | (void)retval; |
| 94 | OSExitThread(0); |
| 95 | } |
| 96 | |
| 97 | static INLINE int pthread_detach(pthread_t thread) |
| 98 | { |
| 99 | OSDetachThread(thread); |
| 100 | return 0; |
| 101 | } |
| 102 | |
| 103 | static INLINE int pthread_join(pthread_t thread, void **retval) |
| 104 | { |
| 105 | (void)retval; |
| 106 | bool ret = OSJoinThread(thread, NULL); |
| 107 | if(ret == true) |
| 108 | { |
| 109 | free(thread->stackEnd); |
| 110 | free(thread); |
| 111 | } |
| 112 | return (ret == true) ? 0 : -1; |
| 113 | } |
| 114 | |
| 115 | static INLINE int pthread_mutex_trylock(pthread_mutex_t *mutex) |
| 116 | { |
| 117 | return OSTryLockMutex(*mutex); |
| 118 | } |
| 119 | |
| 120 | static INLINE int pthread_cond_wait(pthread_cond_t *cond, |
| 121 | pthread_mutex_t *mutex) |
| 122 | { |
| 123 | OSWaitCond(*cond, *mutex); |
| 124 | return 0; |
| 125 | } |
| 126 | |
| 127 | static INLINE int pthread_cond_timedwait(pthread_cond_t *cond, |
| 128 | pthread_mutex_t *mutex, const struct timespec *abstime) |
| 129 | { |
| 130 | //FIXME: actual timeout needed |
| 131 | (void)abstime; |
| 132 | return pthread_cond_wait(cond, mutex); |
| 133 | } |
| 134 | |
| 135 | static INLINE int pthread_cond_init(pthread_cond_t *cond, |
| 136 | const pthread_condattr_t *attr) |
| 137 | { |
| 138 | OSCondition *c = malloc(sizeof(OSCondition)); |
| 139 | OSInitCond(c); |
| 140 | *cond = c; |
| 141 | return 0; |
| 142 | } |
| 143 | |
| 144 | static INLINE int pthread_cond_signal(pthread_cond_t *cond) |
| 145 | { |
| 146 | OSSignalCond(*cond); |
| 147 | return 0; |
| 148 | } |
| 149 | |
| 150 | static INLINE int pthread_cond_broadcast(pthread_cond_t *cond) |
| 151 | { |
| 152 | //FIXME: no OS equivalent |
| 153 | (void)cond; |
| 154 | return 0; |
| 155 | } |
| 156 | |
| 157 | static INLINE int pthread_cond_destroy(pthread_cond_t *cond) |
| 158 | { |
| 159 | if(*cond) |
| 160 | free(*cond); |
| 161 | *cond = NULL; |
| 162 | return 0; |
| 163 | } |
| 164 | |
| 165 | extern int pthread_equal(pthread_t t1, pthread_t t2); |
| 166 | |
| 167 | #endif |