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 39typedef struct { 40#if defined(__LP64__) 41 int32_t __private[10]; 42#else 43 int32_t __private[1]; 44#endif 45} pthread_mutex_t; 46 47typedef long pthread_mutexattr_t; 48 49enum { 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 64typedef struct { 65#if defined(__LP64__) 66 int32_t __private[12]; 67#else 68 int32_t __private[1]; 69#endif 70} pthread_cond_t; 71 72typedef long pthread_condattr_t; 73 74#define PTHREAD_COND_INITIALIZER { { 0 } } 75 76typedef struct { 77#if defined(__LP64__) 78 int32_t __private[14]; 79#else 80 int32_t __private[10]; 81#endif 82} pthread_rwlock_t; 83 84typedef long pthread_rwlockattr_t; 85 86#define PTHREAD_RWLOCK_INITIALIZER { { 0 } } 87 88enum { 89 PTHREAD_RWLOCK_PREFER_READER_NP = 0, 90 PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP = 1, 91}; 92 93typedef int pthread_key_t; 94 95typedef int pthread_once_t; 96 97#define PTHREAD_ONCE_INIT 0 98 99typedef struct { 100#if defined(__LP64__) 101 int64_t __private[4]; 102#else 103 int32_t __private[8]; 104#endif 105} pthread_barrier_t; 106 107typedef int pthread_barrierattr_t; 108 109#define PTHREAD_BARRIER_SERIAL_THREAD -1 110 111typedef 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 136int pthread_atfork(void (*)(void), void (*)(void), void(*)(void)); 137 138int pthread_attr_destroy(pthread_attr_t*) __nonnull((1)); 139int pthread_attr_getdetachstate(const pthread_attr_t*, int*) __nonnull((1, 2)); 140int pthread_attr_getguardsize(const pthread_attr_t*, size_t*) __nonnull((1, 2)); 141int pthread_attr_getschedparam(const pthread_attr_t*, struct sched_param*) __nonnull((1, 2)); 142int pthread_attr_getschedpolicy(const pthread_attr_t*, int*) __nonnull((1, 2)); 143int pthread_attr_getscope(const pthread_attr_t*, int*) __nonnull((1, 2)); 144int pthread_attr_getstack(const pthread_attr_t*, void**, size_t*) __nonnull((1, 2, 3)); 145int pthread_attr_getstacksize(const pthread_attr_t*, size_t*) __nonnull((1, 2)); 146int pthread_attr_init(pthread_attr_t*) __nonnull((1)); 147int pthread_attr_setdetachstate(pthread_attr_t*, int) __nonnull((1)); 148int pthread_attr_setguardsize(pthread_attr_t*, size_t) __nonnull((1)); 149int pthread_attr_setschedparam(pthread_attr_t*, const struct sched_param*) __nonnull((1, 2)); 150int pthread_attr_setschedpolicy(pthread_attr_t*, int) __nonnull((1)); 151int pthread_attr_setscope(pthread_attr_t*, int) __nonnull((1)); 152int pthread_attr_setstack(pthread_attr_t*, void*, size_t) __nonnull((1)); 153int pthread_attr_setstacksize(pthread_attr_t*, size_t) __nonnull((1)); 154 155int pthread_condattr_destroy(pthread_condattr_t*) __nonnull((1)); 156int pthread_condattr_getclock(const pthread_condattr_t*, clockid_t*) __nonnull((1, 2)); 157int pthread_condattr_getpshared(const pthread_condattr_t*, int*) __nonnull((1, 2)); 158int pthread_condattr_init(pthread_condattr_t*) __nonnull((1)); 159int pthread_condattr_setclock(pthread_condattr_t*, clockid_t) __nonnull((1)); 160int pthread_condattr_setpshared(pthread_condattr_t*, int) __nonnull((1)); 161 162int pthread_cond_broadcast(pthread_cond_t*) __nonnull((1)); 163int pthread_cond_destroy(pthread_cond_t*) __nonnull((1)); 164int pthread_cond_init(pthread_cond_t*, const pthread_condattr_t*) __nonnull((1)); 165int pthread_cond_signal(pthread_cond_t*) __nonnull((1)); 166int pthread_cond_timedwait(pthread_cond_t*, pthread_mutex_t*, const struct timespec*) __nonnull((1, 2, 3)); 167int pthread_cond_wait(pthread_cond_t*, pthread_mutex_t*) __nonnull((1, 2)); 168 169int pthread_create(pthread_t*, pthread_attr_t const*, void *(*)(void*), void*) __nonnull((1, 3)); 170int pthread_detach(pthread_t); 171void pthread_exit(void*) __noreturn; 172 173int pthread_equal(pthread_t, pthread_t); 174 175int pthread_getattr_np(pthread_t, pthread_attr_t*) __nonnull((2)); 176 177int pthread_getcpuclockid(pthread_t, clockid_t*) __nonnull((2)); 178 179int pthread_getschedparam(pthread_t, int*, struct sched_param*) __nonnull((2, 3)); 180 181void* pthread_getspecific(pthread_key_t); 182 183pid_t pthread_gettid_np(pthread_t); 184 185int pthread_join(pthread_t, void**); 186 187int pthread_key_create(pthread_key_t*, void (*)(void*)) __nonnull((1)); 188int pthread_key_delete(pthread_key_t); 189 190int pthread_mutexattr_destroy(pthread_mutexattr_t*) __nonnull((1)); 191int pthread_mutexattr_getpshared(const pthread_mutexattr_t*, int*) __nonnull((1, 2)); 192int pthread_mutexattr_gettype(const pthread_mutexattr_t*, int*) __nonnull((1, 2)); 193int pthread_mutexattr_init(pthread_mutexattr_t*) __nonnull((1)); 194int pthread_mutexattr_setpshared(pthread_mutexattr_t*, int) __nonnull((1)); 195int pthread_mutexattr_settype(pthread_mutexattr_t*, int) __nonnull((1)); 196 197int pthread_mutex_destroy(pthread_mutex_t*) __nonnull((1)); 198int pthread_mutex_init(pthread_mutex_t*, const pthread_mutexattr_t*) __nonnull((1)); 199#if !defined(__LP64__) 200int pthread_mutex_lock(pthread_mutex_t*) /* __nonnull((1)) */; 201#else 202int pthread_mutex_lock(pthread_mutex_t*) __nonnull((1)); 203#endif 204int pthread_mutex_timedlock(pthread_mutex_t*, const struct timespec*) __nonnull((1, 2)); 205int pthread_mutex_trylock(pthread_mutex_t*) __nonnull((1)); 206#if !defined(__LP4__) 207int pthread_mutex_unlock(pthread_mutex_t*) /* __nonnull((1)) */; 208#else 209int pthread_mutex_unlock(pthread_mutex_t*) __nonnull((1)); 210#endif 211 212int pthread_once(pthread_once_t*, void (*)(void)) __nonnull((1, 2)); 213 214int pthread_rwlockattr_init(pthread_rwlockattr_t*) __nonnull((1)); 215int pthread_rwlockattr_destroy(pthread_rwlockattr_t*) __nonnull((1)); 216int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t*, int*) __nonnull((1, 2)); 217int pthread_rwlockattr_setpshared(pthread_rwlockattr_t*, int) __nonnull((1)); 218int pthread_rwlockattr_getkind_np(const pthread_rwlockattr_t*, int*) __nonnull((1, 2)); 219int pthread_rwlockattr_setkind_np(pthread_rwlockattr_t*, int) __nonnull((1)); 220 221int pthread_rwlock_destroy(pthread_rwlock_t*) __nonnull((1)); 222int pthread_rwlock_init(pthread_rwlock_t*, const pthread_rwlockattr_t*) __nonnull((1)); 223int pthread_rwlock_rdlock(pthread_rwlock_t*) __nonnull((1)); 224int pthread_rwlock_timedrdlock(pthread_rwlock_t*, const struct timespec*) __nonnull((1, 2)); 225int pthread_rwlock_timedwrlock(pthread_rwlock_t*, const struct timespec*) __nonnull((1, 2)); 226int pthread_rwlock_tryrdlock(pthread_rwlock_t*) __nonnull((1)); 227int pthread_rwlock_trywrlock(pthread_rwlock_t*) __nonnull((1)); 228int pthread_rwlock_unlock(pthread_rwlock_t *) __nonnull((1)); 229int pthread_rwlock_wrlock(pthread_rwlock_t*) __nonnull((1)); 230 231int pthread_barrierattr_init(pthread_barrierattr_t* attr) __nonnull((1)); 232int pthread_barrierattr_destroy(pthread_barrierattr_t* attr) __nonnull((1)); 233int pthread_barrierattr_getpshared(pthread_barrierattr_t* attr, int* pshared) __nonnull((1, 2)); 234int pthread_barrierattr_setpshared(pthread_barrierattr_t* attr, int pshared) __nonnull((1)); 235 236int pthread_barrier_init(pthread_barrier_t*, const pthread_barrierattr_t*, unsigned) __nonnull((1)); 237int pthread_barrier_destroy(pthread_barrier_t*) __nonnull((1)); 238int pthread_barrier_wait(pthread_barrier_t*) __nonnull((1)); 239 240int pthread_spin_destroy(pthread_spinlock_t*) __nonnull((1)); 241int pthread_spin_init(pthread_spinlock_t*, int) __nonnull((1)); 242int pthread_spin_lock(pthread_spinlock_t*) __nonnull((1)); 243int pthread_spin_trylock(pthread_spinlock_t*) __nonnull((1)); 244int pthread_spin_unlock(pthread_spinlock_t*) __nonnull((1)); 245 246pthread_t pthread_self(void) __pure2; 247 248int pthread_setname_np(pthread_t, const char*) __nonnull((2)); 249 250int pthread_setschedparam(pthread_t, int, const struct sched_param*) __nonnull((3)); 251 252int pthread_setspecific(pthread_key_t, const void*); 253 254typedef void (*__pthread_cleanup_func_t)(void*); 255 256typedef 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 262extern void __pthread_cleanup_push(__pthread_cleanup_t* c, __pthread_cleanup_func_t, void*); 263extern 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. 286int pthread_cond_timedwait_monotonic_np(pthread_cond_t*, pthread_mutex_t*, const struct timespec*); 287int pthread_cond_timedwait_monotonic(pthread_cond_t*, pthread_mutex_t*, const struct timespec*); 288 289int 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. */ 291int pthread_cond_timeout_np(pthread_cond_t*, pthread_mutex_t*, unsigned) /* TODO: __attribute__((deprecated("use pthread_cond_timedwait instead")))*/; 292 293int 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