| 1 | /* Copyright (C) 2010-2016 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 | #include <sys/time.h> |
| 30 | #else |
| 31 | #include <pspkernel.h> |
| 32 | #include <pspthreadman.h> |
| 33 | #include <pspthreadman_kernel.h> |
| 34 | #endif |
| 35 | #include <stdio.h> |
| 36 | #include <retro_inline.h> |
| 37 | |
| 38 | #define STACKSIZE (8 * 1024) |
| 39 | |
| 40 | typedef SceUID pthread_t; |
| 41 | typedef SceUID pthread_mutex_t; |
| 42 | typedef void* pthread_mutexattr_t; |
| 43 | typedef int pthread_attr_t; |
| 44 | |
| 45 | typedef struct |
| 46 | { |
| 47 | SceUID mutex; |
| 48 | SceUID sema; |
| 49 | int waiting; |
| 50 | } pthread_cond_t; |
| 51 | |
| 52 | typedef SceUID pthread_condattr_t; |
| 53 | |
| 54 | /* Use pointer values to create unique names for threads/mutexes */ |
| 55 | char name_buffer[256]; |
| 56 | |
| 57 | typedef void* (*sthreadEntry)(void *argp); |
| 58 | |
| 59 | typedef struct |
| 60 | { |
| 61 | void* arg; |
| 62 | sthreadEntry start_routine; |
| 63 | } sthread_args_struct; |
| 64 | |
| 65 | |
| 66 | static int psp_thread_wrap(SceSize args, void *argp) |
| 67 | { |
| 68 | sthread_args_struct* sthread_args = (sthread_args_struct*)argp; |
| 69 | |
| 70 | return (int)sthread_args->start_routine(sthread_args->arg); |
| 71 | } |
| 72 | |
| 73 | static INLINE int pthread_create(pthread_t *thread, |
| 74 | const pthread_attr_t *attr, void *(*start_routine)(void*), void *arg) |
| 75 | { |
| 76 | sprintf(name_buffer, "0x%08X", (unsigned int) thread); |
| 77 | |
| 78 | #ifdef VITA |
| 79 | *thread = sceKernelCreateThread(name_buffer, psp_thread_wrap, |
| 80 | 0x10000100, 0x10000, 0, 0, NULL); |
| 81 | #else |
| 82 | *thread = sceKernelCreateThread(name_buffer, |
| 83 | psp_thread_wrap, 0x20, STACKSIZE, 0, NULL); |
| 84 | #endif |
| 85 | |
| 86 | sthread_args_struct sthread_args; |
| 87 | sthread_args.arg = arg; |
| 88 | sthread_args.start_routine = start_routine; |
| 89 | |
| 90 | return sceKernelStartThread(*thread, sizeof(sthread_args), &sthread_args); |
| 91 | } |
| 92 | |
| 93 | static INLINE int pthread_mutex_init(pthread_mutex_t *mutex, |
| 94 | const pthread_mutexattr_t *attr) |
| 95 | { |
| 96 | sprintf(name_buffer, "0x%08X", (unsigned int) mutex); |
| 97 | |
| 98 | #ifdef VITA |
| 99 | *mutex = sceKernelCreateMutex(name_buffer, 0, 0, 0); |
| 100 | if(*mutex<0) |
| 101 | return *mutex; |
| 102 | return 0; |
| 103 | #else |
| 104 | return *mutex = sceKernelCreateSema(name_buffer, 0, 1, 1, NULL); |
| 105 | #endif |
| 106 | } |
| 107 | |
| 108 | static INLINE int pthread_mutex_destroy(pthread_mutex_t *mutex) |
| 109 | { |
| 110 | #ifdef VITA |
| 111 | return sceKernelDeleteMutex(*mutex); |
| 112 | #else |
| 113 | return sceKernelDeleteSema(*mutex); |
| 114 | #endif |
| 115 | } |
| 116 | |
| 117 | static INLINE int pthread_mutex_lock(pthread_mutex_t *mutex) |
| 118 | { |
| 119 | #ifdef VITA |
| 120 | int ret = sceKernelLockMutex(*mutex, 1, 0); |
| 121 | return ret; |
| 122 | |
| 123 | #else |
| 124 | /* FIXME: stub */ |
| 125 | return 1; |
| 126 | #endif |
| 127 | } |
| 128 | |
| 129 | static INLINE int pthread_mutex_unlock(pthread_mutex_t *mutex) |
| 130 | { |
| 131 | #ifdef VITA |
| 132 | int ret = sceKernelUnlockMutex(*mutex, 1); |
| 133 | return ret; |
| 134 | #else |
| 135 | /* FIXME: stub */ |
| 136 | return 1; |
| 137 | #endif |
| 138 | } |
| 139 | |
| 140 | |
| 141 | static INLINE int pthread_join(pthread_t thread, void **retval) |
| 142 | { |
| 143 | #ifdef VITA |
| 144 | int res = sceKernelWaitThreadEnd(thread, 0, 0); |
| 145 | if (res < 0) |
| 146 | return res; |
| 147 | return sceKernelDeleteThread(thread); |
| 148 | #else |
| 149 | SceUInt timeout = (SceUInt)-1; |
| 150 | sceKernelWaitThreadEnd(thread, &timeout); |
| 151 | exit_status = sceKernelGetThreadExitStatus(thread); |
| 152 | sceKernelDeleteThread(thread); |
| 153 | return exit_status; |
| 154 | #endif |
| 155 | } |
| 156 | |
| 157 | static INLINE int pthread_mutex_trylock(pthread_mutex_t *mutex) |
| 158 | { |
| 159 | #ifdef VITA |
| 160 | return sceKernelTryLockMutex(*mutex, 1 /* not sure about this last param */); |
| 161 | #else |
| 162 | /* FIXME: stub */ |
| 163 | return 1; |
| 164 | #endif |
| 165 | } |
| 166 | |
| 167 | static INLINE int pthread_cond_wait(pthread_cond_t *cond, |
| 168 | pthread_mutex_t *mutex) |
| 169 | { |
| 170 | #ifdef VITA |
| 171 | int ret = pthread_mutex_lock(&cond->mutex); |
| 172 | if (ret < 0) |
| 173 | return ret; |
| 174 | ++cond->waiting; |
| 175 | pthread_mutex_unlock(mutex); |
| 176 | pthread_mutex_unlock(&cond->mutex); |
| 177 | |
| 178 | ret = sceKernelWaitSema(cond->sema, 1, 0); |
| 179 | if (ret < 0) |
| 180 | sceClibPrintf("Premature wakeup: %08X", ret); |
| 181 | pthread_mutex_lock(mutex); |
| 182 | return ret; |
| 183 | #else |
| 184 | /* FIXME: stub */ |
| 185 | sceKernelDelayThread(10000); |
| 186 | return 1; |
| 187 | #endif |
| 188 | } |
| 189 | |
| 190 | static INLINE int pthread_cond_timedwait(pthread_cond_t *cond, |
| 191 | pthread_mutex_t *mutex, const struct timespec *abstime) |
| 192 | { |
| 193 | #ifdef VITA |
| 194 | int ret = pthread_mutex_lock(&cond->mutex); |
| 195 | if (ret < 0) |
| 196 | return ret; |
| 197 | ++cond->waiting; |
| 198 | pthread_mutex_unlock(mutex); |
| 199 | pthread_mutex_unlock(&cond->mutex); |
| 200 | |
| 201 | SceUInt timeout = 0; |
| 202 | |
| 203 | timeout = abstime->tv_sec; |
| 204 | timeout += abstime->tv_nsec / 1.0e6; |
| 205 | |
| 206 | ret = sceKernelWaitSema(cond->sema, 1, &timeout); |
| 207 | if (ret < 0) |
| 208 | sceClibPrintf("Premature wakeup: %08X", ret); |
| 209 | pthread_mutex_lock(mutex); |
| 210 | return ret; |
| 211 | |
| 212 | #else |
| 213 | /* FIXME: stub */ |
| 214 | return 1; |
| 215 | #endif |
| 216 | } |
| 217 | |
| 218 | static INLINE int pthread_cond_init(pthread_cond_t *cond, |
| 219 | const pthread_condattr_t *attr) |
| 220 | { |
| 221 | #ifdef VITA |
| 222 | |
| 223 | pthread_mutex_init(&cond->mutex,NULL); |
| 224 | if(cond->mutex<0){ |
| 225 | return cond->mutex; |
| 226 | } |
| 227 | sprintf(name_buffer, "0x%08X", (unsigned int) cond); |
| 228 | //cond->sema = sceKernelCreateCond(name_buffer, 0, cond->mutex, 0); |
| 229 | cond->sema = sceKernelCreateSema(name_buffer, 0, 0, 1, 0); |
| 230 | if(cond->sema<0){ |
| 231 | pthread_mutex_destroy(&cond->mutex); |
| 232 | return cond->sema; |
| 233 | } |
| 234 | |
| 235 | cond->waiting = 0; |
| 236 | |
| 237 | |
| 238 | return 0; |
| 239 | |
| 240 | |
| 241 | #else |
| 242 | /* FIXME: stub */ |
| 243 | return 1; |
| 244 | #endif |
| 245 | } |
| 246 | |
| 247 | static INLINE int pthread_cond_signal(pthread_cond_t *cond) |
| 248 | { |
| 249 | #ifdef VITA |
| 250 | pthread_mutex_lock(&cond->mutex); |
| 251 | if (cond->waiting) |
| 252 | { |
| 253 | --cond->waiting; |
| 254 | sceKernelSignalSema(cond->sema, 1); |
| 255 | } |
| 256 | pthread_mutex_unlock(&cond->mutex); |
| 257 | return 0; |
| 258 | #else |
| 259 | /* FIXME: stub */ |
| 260 | return 1; |
| 261 | #endif |
| 262 | } |
| 263 | |
| 264 | static INLINE int pthread_cond_broadcast(pthread_cond_t *cond) |
| 265 | { |
| 266 | /* FIXME: stub */ |
| 267 | return 1; |
| 268 | } |
| 269 | |
| 270 | static INLINE int pthread_cond_destroy(pthread_cond_t *cond) |
| 271 | { |
| 272 | #ifdef VITA |
| 273 | int ret = sceKernelDeleteSema(cond->sema); |
| 274 | if(ret < 0) |
| 275 | return ret; |
| 276 | |
| 277 | return sceKernelDeleteMutex(cond->mutex); |
| 278 | #else |
| 279 | /* FIXME: stub */ |
| 280 | return 1; |
| 281 | #endif |
| 282 | } |
| 283 | |
| 284 | |
| 285 | static INLINE int pthread_detach(pthread_t thread) |
| 286 | { |
| 287 | return 0; |
| 288 | } |
| 289 | |
| 290 | static INLINE void pthread_exit(void *retval) |
| 291 | { |
| 292 | #ifdef VITA |
| 293 | sceKernelExitDeleteThread(sceKernelGetThreadId()); |
| 294 | #endif |
| 295 | } |
| 296 | |
| 297 | static INLINE pthread_t pthread_self(void) |
| 298 | { |
| 299 | /* zero 20-mar-2016: untested */ |
| 300 | return sceKernelGetThreadId(); |
| 301 | } |
| 302 | |
| 303 | static INLINE int pthread_equal(pthread_t t1, pthread_t t2) |
| 304 | { |
| 305 | return t1 == t2; |
| 306 | } |
| 307 | |
| 308 | #endif //_PSP_PTHREAD_WRAP__ |