1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _PTHREAD_H_ 30 #define _PTHREAD_H_ 31 32 #include <limits.h> 33 #include <bits/pthread_types.h> 34 #include <sched.h> 35 #include <sys/cdefs.h> 36 #include <sys/types.h> 37 #include <time.h> 38 39 typedef struct { 40 #if defined(__LP64__) 41 int32_t __private[10]; 42 #else 43 int32_t __private[1]; 44 #endif 45 } pthread_mutex_t; 46 47 typedef long pthread_mutexattr_t; 48 49 enum { 50 PTHREAD_MUTEX_NORMAL = 0, 51 PTHREAD_MUTEX_RECURSIVE = 1, 52 PTHREAD_MUTEX_ERRORCHECK = 2, 53 54 PTHREAD_MUTEX_ERRORCHECK_NP = PTHREAD_MUTEX_ERRORCHECK, 55 PTHREAD_MUTEX_RECURSIVE_NP = PTHREAD_MUTEX_RECURSIVE, 56 57 PTHREAD_MUTEX_DEFAULT = PTHREAD_MUTEX_NORMAL 58 }; 59 60 #define PTHREAD_MUTEX_INITIALIZER { { ((PTHREAD_MUTEX_NORMAL & 3) << 14) } } 61 #define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP { { ((PTHREAD_MUTEX_RECURSIVE & 3) << 14) } } 62 #define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP { { ((PTHREAD_MUTEX_ERRORCHECK & 3) << 14) } } 63 64 typedef struct { 65 #if defined(__LP64__) 66 int32_t __private[12]; 67 #else 68 int32_t __private[1]; 69 #endif 70 } pthread_cond_t; 71 72 typedef long pthread_condattr_t; 73 74 #define PTHREAD_COND_INITIALIZER { { 0 } } 75 76 typedef struct { 77 #if defined(__LP64__) 78 int32_t __private[14]; 79 #else 80 int32_t __private[10]; 81 #endif 82 } pthread_rwlock_t; 83 84 typedef long pthread_rwlockattr_t; 85 86 #define PTHREAD_RWLOCK_INITIALIZER { { 0 } } 87 88 enum { 89 PTHREAD_RWLOCK_PREFER_READER_NP = 0, 90 PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP = 1, 91 }; 92 93 typedef int pthread_key_t; 94 95 typedef int pthread_once_t; 96 97 #define PTHREAD_ONCE_INIT 0 98 99 typedef struct { 100 #if defined(__LP64__) 101 int64_t __private[4]; 102 #else 103 int32_t __private[8]; 104 #endif 105 } pthread_barrier_t; 106 107 typedef int pthread_barrierattr_t; 108 109 #define PTHREAD_BARRIER_SERIAL_THREAD -1 110 111 typedef struct { 112 #if defined(__LP64__) 113 int64_t __private; 114 #else 115 int32_t __private[2]; 116 #endif 117 } pthread_spinlock_t; 118 119 #if defined(__LP64__) 120 #define PTHREAD_STACK_MIN (4 * PAGE_SIZE) 121 #else 122 #define PTHREAD_STACK_MIN (2 * PAGE_SIZE) 123 #endif 124 125 #define PTHREAD_CREATE_DETACHED 0x00000001 126 #define PTHREAD_CREATE_JOINABLE 0x00000000 127 128 #define PTHREAD_PROCESS_PRIVATE 0 129 #define PTHREAD_PROCESS_SHARED 1 130 131 #define PTHREAD_SCOPE_SYSTEM 0 132 #define PTHREAD_SCOPE_PROCESS 1 133 134 __BEGIN_DECLS 135 136 int pthread_atfork(void (*)(void), void (*)(void), void(*)(void)); 137 138 int pthread_attr_destroy(pthread_attr_t*) __nonnull((1)); 139 int pthread_attr_getdetachstate(const pthread_attr_t*, int*) __nonnull((1, 2)); 140 int pthread_attr_getguardsize(const pthread_attr_t*, size_t*) __nonnull((1, 2)); 141 int pthread_attr_getschedparam(const pthread_attr_t*, struct sched_param*) __nonnull((1, 2)); 142 int pthread_attr_getschedpolicy(const pthread_attr_t*, int*) __nonnull((1, 2)); 143 int pthread_attr_getscope(const pthread_attr_t*, int*) __nonnull((1, 2)); 144 int pthread_attr_getstack(const pthread_attr_t*, void**, size_t*) __nonnull((1, 2, 3)); 145 int pthread_attr_getstacksize(const pthread_attr_t*, size_t*) __nonnull((1, 2)); 146 int pthread_attr_init(pthread_attr_t*) __nonnull((1)); 147 int pthread_attr_setdetachstate(pthread_attr_t*, int) __nonnull((1)); 148 int pthread_attr_setguardsize(pthread_attr_t*, size_t) __nonnull((1)); 149 int pthread_attr_setschedparam(pthread_attr_t*, const struct sched_param*) __nonnull((1, 2)); 150 int pthread_attr_setschedpolicy(pthread_attr_t*, int) __nonnull((1)); 151 int pthread_attr_setscope(pthread_attr_t*, int) __nonnull((1)); 152 int pthread_attr_setstack(pthread_attr_t*, void*, size_t) __nonnull((1)); 153 int pthread_attr_setstacksize(pthread_attr_t*, size_t) __nonnull((1)); 154 155 int pthread_condattr_destroy(pthread_condattr_t*) __nonnull((1)); 156 int pthread_condattr_getclock(const pthread_condattr_t*, clockid_t*) __nonnull((1, 2)); 157 int pthread_condattr_getpshared(const pthread_condattr_t*, int*) __nonnull((1, 2)); 158 int pthread_condattr_init(pthread_condattr_t*) __nonnull((1)); 159 int pthread_condattr_setclock(pthread_condattr_t*, clockid_t) __nonnull((1)); 160 int pthread_condattr_setpshared(pthread_condattr_t*, int) __nonnull((1)); 161 162 int pthread_cond_broadcast(pthread_cond_t*) __nonnull((1)); 163 int pthread_cond_destroy(pthread_cond_t*) __nonnull((1)); 164 int pthread_cond_init(pthread_cond_t*, const pthread_condattr_t*) __nonnull((1)); 165 int pthread_cond_signal(pthread_cond_t*) __nonnull((1)); 166 int pthread_cond_timedwait(pthread_cond_t*, pthread_mutex_t*, const struct timespec*) __nonnull((1, 2, 3)); 167 int pthread_cond_wait(pthread_cond_t*, pthread_mutex_t*) __nonnull((1, 2)); 168 169 int pthread_create(pthread_t*, pthread_attr_t const*, void *(*)(void*), void*) __nonnull((1, 3)); 170 int pthread_detach(pthread_t); 171 void pthread_exit(void*) __noreturn; 172 173 int pthread_equal(pthread_t, pthread_t); 174 175 int pthread_getattr_np(pthread_t, pthread_attr_t*) __nonnull((2)); 176 177 int pthread_getcpuclockid(pthread_t, clockid_t*) __nonnull((2)); 178 179 int pthread_getschedparam(pthread_t, int*, struct sched_param*) __nonnull((2, 3)); 180 181 void* pthread_getspecific(pthread_key_t); 182 183 pid_t pthread_gettid_np(pthread_t); 184 185 int pthread_join(pthread_t, void**); 186 187 int pthread_key_create(pthread_key_t*, void (*)(void*)) __nonnull((1)); 188 int pthread_key_delete(pthread_key_t); 189 190 int pthread_mutexattr_destroy(pthread_mutexattr_t*) __nonnull((1)); 191 int pthread_mutexattr_getpshared(const pthread_mutexattr_t*, int*) __nonnull((1, 2)); 192 int pthread_mutexattr_gettype(const pthread_mutexattr_t*, int*) __nonnull((1, 2)); 193 int pthread_mutexattr_init(pthread_mutexattr_t*) __nonnull((1)); 194 int pthread_mutexattr_setpshared(pthread_mutexattr_t*, int) __nonnull((1)); 195 int pthread_mutexattr_settype(pthread_mutexattr_t*, int) __nonnull((1)); 196 197 int pthread_mutex_destroy(pthread_mutex_t*) __nonnull((1)); 198 int pthread_mutex_init(pthread_mutex_t*, const pthread_mutexattr_t*) __nonnull((1)); 199 #if !defined(__LP64__) 200 int pthread_mutex_lock(pthread_mutex_t*) /* __nonnull((1)) */; 201 #else 202 int pthread_mutex_lock(pthread_mutex_t*) __nonnull((1)); 203 #endif 204 int pthread_mutex_timedlock(pthread_mutex_t*, const struct timespec*) __nonnull((1, 2)); 205 int pthread_mutex_trylock(pthread_mutex_t*) __nonnull((1)); 206 #if !defined(__LP4__) 207 int pthread_mutex_unlock(pthread_mutex_t*) /* __nonnull((1)) */; 208 #else 209 int pthread_mutex_unlock(pthread_mutex_t*) __nonnull((1)); 210 #endif 211 212 int pthread_once(pthread_once_t*, void (*)(void)) __nonnull((1, 2)); 213 214 int pthread_rwlockattr_init(pthread_rwlockattr_t*) __nonnull((1)); 215 int pthread_rwlockattr_destroy(pthread_rwlockattr_t*) __nonnull((1)); 216 int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t*, int*) __nonnull((1, 2)); 217 int pthread_rwlockattr_setpshared(pthread_rwlockattr_t*, int) __nonnull((1)); 218 int pthread_rwlockattr_getkind_np(const pthread_rwlockattr_t*, int*) __nonnull((1, 2)); 219 int pthread_rwlockattr_setkind_np(pthread_rwlockattr_t*, int) __nonnull((1)); 220 221 int pthread_rwlock_destroy(pthread_rwlock_t*) __nonnull((1)); 222 int pthread_rwlock_init(pthread_rwlock_t*, const pthread_rwlockattr_t*) __nonnull((1)); 223 int pthread_rwlock_rdlock(pthread_rwlock_t*) __nonnull((1)); 224 int pthread_rwlock_timedrdlock(pthread_rwlock_t*, const struct timespec*) __nonnull((1, 2)); 225 int pthread_rwlock_timedwrlock(pthread_rwlock_t*, const struct timespec*) __nonnull((1, 2)); 226 int pthread_rwlock_tryrdlock(pthread_rwlock_t*) __nonnull((1)); 227 int pthread_rwlock_trywrlock(pthread_rwlock_t*) __nonnull((1)); 228 int pthread_rwlock_unlock(pthread_rwlock_t *) __nonnull((1)); 229 int pthread_rwlock_wrlock(pthread_rwlock_t*) __nonnull((1)); 230 231 int pthread_barrierattr_init(pthread_barrierattr_t* attr) __nonnull((1)); 232 int pthread_barrierattr_destroy(pthread_barrierattr_t* attr) __nonnull((1)); 233 int pthread_barrierattr_getpshared(pthread_barrierattr_t* attr, int* pshared) __nonnull((1, 2)); 234 int pthread_barrierattr_setpshared(pthread_barrierattr_t* attr, int pshared) __nonnull((1)); 235 236 int pthread_barrier_init(pthread_barrier_t*, const pthread_barrierattr_t*, unsigned) __nonnull((1)); 237 int pthread_barrier_destroy(pthread_barrier_t*) __nonnull((1)); 238 int pthread_barrier_wait(pthread_barrier_t*) __nonnull((1)); 239 240 int pthread_spin_destroy(pthread_spinlock_t*) __nonnull((1)); 241 int pthread_spin_init(pthread_spinlock_t*, int) __nonnull((1)); 242 int pthread_spin_lock(pthread_spinlock_t*) __nonnull((1)); 243 int pthread_spin_trylock(pthread_spinlock_t*) __nonnull((1)); 244 int pthread_spin_unlock(pthread_spinlock_t*) __nonnull((1)); 245 246 pthread_t pthread_self(void) __pure2; 247 248 int pthread_setname_np(pthread_t, const char*) __nonnull((2)); 249 250 int pthread_setschedparam(pthread_t, int, const struct sched_param*) __nonnull((3)); 251 252 int pthread_setspecific(pthread_key_t, const void*); 253 254 typedef void (*__pthread_cleanup_func_t)(void*); 255 256 typedef struct __pthread_cleanup_t { 257 struct __pthread_cleanup_t* __cleanup_prev; 258 __pthread_cleanup_func_t __cleanup_routine; 259 void* __cleanup_arg; 260 } __pthread_cleanup_t; 261 262 extern void __pthread_cleanup_push(__pthread_cleanup_t* c, __pthread_cleanup_func_t, void*); 263 extern void __pthread_cleanup_pop(__pthread_cleanup_t*, int); 264 265 /* Believe or not, the definitions of pthread_cleanup_push and 266 * pthread_cleanup_pop below are correct. Posix states that these 267 * can be implemented as macros that might introduce opening and 268 * closing braces, and that using setjmp/longjmp/return/break/continue 269 * between them results in undefined behavior. 270 */ 271 #define pthread_cleanup_push(routine, arg) \ 272 do { \ 273 __pthread_cleanup_t __cleanup; \ 274 __pthread_cleanup_push( &__cleanup, (routine), (arg) ); \ 275 276 #define pthread_cleanup_pop(execute) \ 277 __pthread_cleanup_pop( &__cleanup, (execute)); \ 278 } while (0); \ 279 280 281 #if !defined(__LP64__) 282 283 // Bionic additions that are deprecated even in the 32-bit ABI. 284 // 285 // TODO: Remove them once chromium_org / NFC have switched over. 286 int pthread_cond_timedwait_monotonic_np(pthread_cond_t*, pthread_mutex_t*, const struct timespec*); 287 int pthread_cond_timedwait_monotonic(pthread_cond_t*, pthread_mutex_t*, const struct timespec*); 288 289 int pthread_cond_timedwait_relative_np(pthread_cond_t*, pthread_mutex_t*, const struct timespec*) /* TODO: __attribute__((deprecated("use pthread_cond_timedwait instead")))*/; 290 #define HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE 1 /* TODO: stop defining this to push LP32 off this API sooner. */ 291 int pthread_cond_timeout_np(pthread_cond_t*, pthread_mutex_t*, unsigned) /* TODO: __attribute__((deprecated("use pthread_cond_timedwait instead")))*/; 292 293 int pthread_mutex_lock_timeout_np(pthread_mutex_t*, unsigned) __attribute__((deprecated("use pthread_mutex_timedlock instead"))); 294 295 #endif /* !defined(__LP64__) */ 296 297 __END_DECLS 298 299 #endif /* _PTHREAD_H_ */ 300