| 1 | /* Copyright (C) 2010-2015 The RetroArch team |
| 2 | * |
| 3 | * --------------------------------------------------------------------------------------- |
| 4 | * The following license statement only applies to this file (psp_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 | /* FIXME: unfinished on PSP, mutexes and condition variables basically a stub. */ |
| 24 | #ifndef _PSP_PTHREAD_WRAP__ |
| 25 | #define _PSP_PTHREAD_WRAP__ |
| 26 | |
| 27 | #ifdef VITA |
| 28 | #include <psp2/kernel/threadmgr.h> |
| 29 | #else |
| 30 | #include <pspkernel.h> |
| 31 | #include <pspthreadman.h> |
| 32 | #include <pspthreadman_kernel.h> |
| 33 | #endif |
| 34 | #include <stdio.h> |
| 35 | #include <retro_inline.h> |
| 36 | |
| 37 | #define STACKSIZE (64 * 1024) |
| 38 | |
| 39 | typedef SceUID pthread_t; |
| 40 | typedef SceUID pthread_mutex_t; |
| 41 | typedef void* pthread_mutexattr_t; |
| 42 | typedef int pthread_attr_t; |
| 43 | typedef SceUID pthread_cond_t; |
| 44 | typedef SceUID pthread_condattr_t; |
| 45 | |
| 46 | /* Use pointer values to create unique names for threads/mutexes */ |
| 47 | char name_buffer[256]; |
| 48 | |
| 49 | typedef void* (*sthreadEntry)(void *argp); |
| 50 | |
| 51 | typedef struct |
| 52 | { |
| 53 | void* arg; |
| 54 | sthreadEntry start_routine; |
| 55 | } sthread_args_struct; |
| 56 | |
| 57 | |
| 58 | static int psp_thread_wrap(SceSize args, void *argp) |
| 59 | { |
| 60 | sthread_args_struct* sthread_args = (sthread_args_struct*)argp; |
| 61 | |
| 62 | return (int)sthread_args->start_routine(sthread_args->arg); |
| 63 | } |
| 64 | |
| 65 | static INLINE int pthread_create(pthread_t *thread, |
| 66 | const pthread_attr_t *attr, void *(*start_routine)(void*), void *arg) |
| 67 | { |
| 68 | sprintf(name_buffer, "0x%08X", (uint32_t) thread); |
| 69 | |
| 70 | *thread = sceKernelCreateThread(name_buffer, |
| 71 | psp_thread_wrap, 0x20, STACKSIZE, 0, |
| 72 | #ifdef VITA |
| 73 | 0, |
| 74 | #endif |
| 75 | NULL); |
| 76 | |
| 77 | sthread_args_struct sthread_args; |
| 78 | sthread_args.arg = arg; |
| 79 | sthread_args.start_routine = start_routine; |
| 80 | |
| 81 | return sceKernelStartThread(*thread, sizeof(sthread_args), &sthread_args); |
| 82 | } |
| 83 | |
| 84 | static INLINE int pthread_mutex_init(pthread_mutex_t *mutex, |
| 85 | const pthread_mutexattr_t *attr) |
| 86 | { |
| 87 | sprintf(name_buffer, "0x%08X", (uint32_t) mutex); |
| 88 | |
| 89 | #ifdef VITA |
| 90 | return *mutex = sceKernelCreateMutex(name_buffer, 0, 0, 0); |
| 91 | #else |
| 92 | return *mutex = sceKernelCreateSema(name_buffer, 0, 1, 1, NULL); |
| 93 | #endif |
| 94 | } |
| 95 | |
| 96 | static INLINE int pthread_mutex_destroy(pthread_mutex_t *mutex) |
| 97 | { |
| 98 | #ifdef VITA |
| 99 | return sceKernelDeleteMutex(*mutex); |
| 100 | #else |
| 101 | return sceKernelDeleteSema(*mutex); |
| 102 | #endif |
| 103 | } |
| 104 | |
| 105 | static INLINE int pthread_mutex_lock(pthread_mutex_t *mutex) |
| 106 | { |
| 107 | #ifdef VITA |
| 108 | return sceKernelLockMutex(*mutex, 1, 0); |
| 109 | #else |
| 110 | /* FIXME: stub */ |
| 111 | return 1; |
| 112 | #endif |
| 113 | } |
| 114 | |
| 115 | static INLINE int pthread_mutex_unlock(pthread_mutex_t *mutex) |
| 116 | { |
| 117 | #ifdef VITA |
| 118 | return sceKernelUnlockMutex(*mutex, 1); |
| 119 | #else |
| 120 | /* FIXME: stub */ |
| 121 | return 1; |
| 122 | #endif |
| 123 | } |
| 124 | |
| 125 | |
| 126 | static INLINE int pthread_join(pthread_t thread, void **retval) |
| 127 | { |
| 128 | int exit_status; |
| 129 | SceUInt timeout = (SceUInt)-1; |
| 130 | #ifdef VITA |
| 131 | sceKernelWaitThreadEnd(thread, &exit_status, &timeout); |
| 132 | #else |
| 133 | sceKernelWaitThreadEnd(thread, &timeout); |
| 134 | exit_status = sceKernelGetThreadExitStatus(thread); |
| 135 | #endif |
| 136 | sceKernelDeleteThread(thread); |
| 137 | return exit_status; |
| 138 | } |
| 139 | |
| 140 | static INLINE int pthread_mutex_trylock(pthread_mutex_t *mutex) |
| 141 | { |
| 142 | #ifdef VITA |
| 143 | return sceKernelTryLockMutex(*mutex, 1 /* not sure about this last param */); |
| 144 | #else |
| 145 | /* FIXME: stub */ |
| 146 | return 1; |
| 147 | #endif |
| 148 | } |
| 149 | |
| 150 | static INLINE int pthread_cond_wait(pthread_cond_t *cond, |
| 151 | pthread_mutex_t *mutex) |
| 152 | { |
| 153 | sceKernelDelayThread(10000); |
| 154 | return 1; |
| 155 | } |
| 156 | |
| 157 | static INLINE int pthread_cond_timedwait(pthread_cond_t *cond, |
| 158 | pthread_mutex_t *mutex, const struct timespec *abstime) |
| 159 | { |
| 160 | //FIXME: stub |
| 161 | return 1; |
| 162 | } |
| 163 | |
| 164 | static INLINE int pthread_cond_init(pthread_cond_t *cond, |
| 165 | const pthread_condattr_t *attr) |
| 166 | { |
| 167 | //FIXME: stub |
| 168 | return 1; |
| 169 | } |
| 170 | |
| 171 | static INLINE int pthread_cond_signal(pthread_cond_t *cond) |
| 172 | { |
| 173 | //FIXME: stub |
| 174 | return 1; |
| 175 | } |
| 176 | |
| 177 | static INLINE int pthread_cond_broadcast(pthread_cond_t *cond) |
| 178 | { |
| 179 | //FIXME: stub |
| 180 | return 1; |
| 181 | } |
| 182 | |
| 183 | static INLINE int pthread_cond_destroy(pthread_cond_t *cond) |
| 184 | { |
| 185 | //FIXME: stub |
| 186 | return 1; |
| 187 | } |
| 188 | |
| 189 | |
| 190 | static INLINE int pthread_detach(pthread_t thread) |
| 191 | { |
| 192 | return 1; |
| 193 | } |
| 194 | |
| 195 | static INLINE void pthread_exit(void *retval) |
| 196 | { |
| 197 | (void)retval; |
| 198 | } |
| 199 | |
| 200 | #endif //_PSP_PTHREAD_WRAP__ |