| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #ifndef _PTHREAD_H_ |
| #define _PTHREAD_H_ |
| |
| #include <time.h> |
| #include <signal.h> |
| #include <sched.h> |
| #include <limits.h> |
| #include <sys/types.h> |
| |
| #if defined(__LP64__) |
| #define __RESERVED_INITIALIZER , {0} |
| #else |
| #define __RESERVED_INITIALIZER |
| #endif |
| |
| typedef struct { |
| int volatile value; |
| #ifdef __LP64__ |
| char __reserved[36]; |
| #endif |
| } pthread_mutex_t; |
| |
| #define __PTHREAD_MUTEX_INIT_VALUE 0 |
| #define __PTHREAD_RECURSIVE_MUTEX_INIT_VALUE 0x4000 |
| #define __PTHREAD_ERRORCHECK_MUTEX_INIT_VALUE 0x8000 |
| |
| #define PTHREAD_MUTEX_INITIALIZER {__PTHREAD_MUTEX_INIT_VALUE __RESERVED_INITIALIZER} |
| #define PTHREAD_RECURSIVE_MUTEX_INITIALIZER {__PTHREAD_RECURSIVE_MUTEX_INIT_VALUE __RESERVED_INITIALIZER} |
| #define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER {__PTHREAD_ERRORCHECK_MUTEX_INIT_VALUE __RESERVED_INITIALIZER} |
| |
| enum { |
| PTHREAD_MUTEX_NORMAL = 0, |
| PTHREAD_MUTEX_RECURSIVE = 1, |
| PTHREAD_MUTEX_ERRORCHECK = 2, |
| |
| PTHREAD_MUTEX_ERRORCHECK_NP = PTHREAD_MUTEX_ERRORCHECK, |
| PTHREAD_MUTEX_RECURSIVE_NP = PTHREAD_MUTEX_RECURSIVE, |
| |
| PTHREAD_MUTEX_DEFAULT = PTHREAD_MUTEX_NORMAL |
| }; |
| |
| typedef struct { |
| int volatile value; |
| #ifdef __LP64__ |
| char __reserved[44]; |
| #endif |
| } pthread_cond_t; |
| |
| #define PTHREAD_COND_INITIALIZER {0 __RESERVED_INITIALIZER} |
| |
| typedef struct { |
| uint32_t flags; |
| void* stack_base; |
| size_t stack_size; |
| size_t guard_size; |
| int32_t sched_policy; |
| int32_t sched_priority; |
| #ifdef __LP64__ |
| char __reserved[16]; |
| #endif |
| } pthread_attr_t; |
| |
| typedef long pthread_mutexattr_t; |
| typedef long pthread_condattr_t; |
| |
| typedef long pthread_rwlockattr_t; |
| |
| typedef struct { |
| #if !defined(__LP64__) |
| pthread_mutex_t __unused_lock; |
| pthread_cond_t __unused_cond; |
| #endif |
| volatile int32_t state; // 0=unlock, -1=writer lock, +n=reader lock |
| volatile int32_t writer_thread_id; |
| volatile int32_t pending_readers; |
| volatile int32_t pending_writers; |
| int32_t attr; |
| #ifdef __LP64__ |
| char __reserved[36]; |
| #else |
| char __reserved[12]; |
| #endif |
| |
| } pthread_rwlock_t; |
| |
| #ifdef __LP64__ |
| #define PTHREAD_RWLOCK_INITIALIZER { 0, 0, 0, 0, 0, { 0 } } |
| #else |
| #define PTHREAD_RWLOCK_INITIALIZER { PTHREAD_MUTEX_INITIALIZER, PTHREAD_COND_INITIALIZER, 0, 0, 0, 0, 0, { 0 } } |
| #endif |
| |
| typedef int pthread_key_t; |
| typedef long pthread_t; |
| |
| typedef volatile int pthread_once_t; |
| |
| #define PTHREAD_ONCE_INIT 0 |
| |
| #if defined(__LP64__) |
| #define PTHREAD_STACK_MIN (4 * PAGE_SIZE) |
| #else |
| #define PTHREAD_STACK_MIN (2 * PAGE_SIZE) |
| #endif |
| |
| #define PTHREAD_CREATE_DETACHED 0x00000001 |
| #define PTHREAD_CREATE_JOINABLE 0x00000000 |
| |
| #define PTHREAD_PROCESS_PRIVATE 0 |
| #define PTHREAD_PROCESS_SHARED 1 |
| |
| #define PTHREAD_SCOPE_SYSTEM 0 |
| #define PTHREAD_SCOPE_PROCESS 1 |
| |
| __BEGIN_DECLS |
| |
| int pthread_atfork(void (*)(void), void (*)(void), void(*)(void)); |
| |
| int pthread_attr_destroy(pthread_attr_t*) __nonnull((1)); |
| int pthread_attr_getdetachstate(const pthread_attr_t*, int*) __nonnull((1, 2)); |
| int pthread_attr_getguardsize(const pthread_attr_t*, size_t*) __nonnull((1, 2)); |
| int pthread_attr_getschedparam(const pthread_attr_t*, struct sched_param*) __nonnull((1, 2)); |
| int pthread_attr_getschedpolicy(const pthread_attr_t*, int*) __nonnull((1, 2)); |
| int pthread_attr_getscope(const pthread_attr_t*, int*) __nonnull((1, 2)); |
| int pthread_attr_getstack(const pthread_attr_t*, void**, size_t*) __nonnull((1, 2, 3)); |
| int pthread_attr_getstacksize(const pthread_attr_t*, size_t*) __nonnull((1, 2)); |
| int pthread_attr_init(pthread_attr_t*) __nonnull((1)); |
| int pthread_attr_setdetachstate(pthread_attr_t*, int) __nonnull((1)); |
| int pthread_attr_setguardsize(pthread_attr_t*, size_t) __nonnull((1)); |
| int pthread_attr_setschedparam(pthread_attr_t*, const struct sched_param*) __nonnull((1, 2)); |
| int pthread_attr_setschedpolicy(pthread_attr_t*, int) __nonnull((1)); |
| int pthread_attr_setscope(pthread_attr_t*, int) __nonnull((1)); |
| int pthread_attr_setstack(pthread_attr_t*, void*, size_t) __nonnull((1)); |
| int pthread_attr_setstacksize(pthread_attr_t*, size_t stack_size) __nonnull((1)); |
| |
| int pthread_condattr_destroy(pthread_condattr_t*) __nonnull((1)); |
| int pthread_condattr_getclock(const pthread_condattr_t*, clockid_t*) __nonnull((1, 2)); |
| int pthread_condattr_getpshared(const pthread_condattr_t*, int*) __nonnull((1, 2)); |
| int pthread_condattr_init(pthread_condattr_t*) __nonnull((1)); |
| int pthread_condattr_setclock(pthread_condattr_t*, clockid_t) __nonnull((1)); |
| int pthread_condattr_setpshared(pthread_condattr_t*, int) __nonnull((1)); |
| |
| int pthread_cond_broadcast(pthread_cond_t*) __nonnull((1)); |
| int pthread_cond_destroy(pthread_cond_t*) __nonnull((1)); |
| int pthread_cond_init(pthread_cond_t*, const pthread_condattr_t*) __nonnull((1)); |
| int pthread_cond_signal(pthread_cond_t*) __nonnull((1)); |
| int pthread_cond_timedwait(pthread_cond_t*, pthread_mutex_t*, const struct timespec*) __nonnull((1, 2, 3)); |
| int pthread_cond_wait(pthread_cond_t*, pthread_mutex_t*) __nonnull((1, 2)); |
| |
| int pthread_create(pthread_t*, pthread_attr_t const*, void *(*)(void*), void*) __nonnull((1, 3)); |
| int pthread_detach(pthread_t); |
| void pthread_exit(void*) __noreturn; |
| |
| int pthread_equal(pthread_t, pthread_t); |
| |
| int pthread_getattr_np(pthread_t, pthread_attr_t*) __nonnull((2)); |
| |
| int pthread_getcpuclockid(pthread_t, clockid_t*) __nonnull((2)); |
| |
| int pthread_getschedparam(pthread_t, int*, struct sched_param*) __nonnull((2, 3)); |
| |
| void* pthread_getspecific(pthread_key_t); |
| |
| int pthread_join(pthread_t, void**); |
| |
| int pthread_key_create(pthread_key_t*, void (*)(void*)) __nonnull((1)); |
| int pthread_key_delete(pthread_key_t); |
| |
| int pthread_kill(pthread_t, int); |
| |
| int pthread_mutexattr_destroy(pthread_mutexattr_t*) __nonnull((1)); |
| int pthread_mutexattr_getpshared(const pthread_mutexattr_t*, int*) __nonnull((1, 2)); |
| int pthread_mutexattr_gettype(const pthread_mutexattr_t*, int*) __nonnull((1, 2)); |
| int pthread_mutexattr_init(pthread_mutexattr_t*) __nonnull((1)); |
| int pthread_mutexattr_setpshared(pthread_mutexattr_t*, int) __nonnull((1)); |
| int pthread_mutexattr_settype(pthread_mutexattr_t*, int) __nonnull((1)); |
| |
| int pthread_mutex_destroy(pthread_mutex_t*) __nonnull((1)); |
| int pthread_mutex_init(pthread_mutex_t*, const pthread_mutexattr_t*) __nonnull((1)); |
| int pthread_mutex_lock(pthread_mutex_t*) __nonnull((1)); |
| int pthread_mutex_timedlock(pthread_mutex_t*, const struct timespec*) __nonnull((1, 2)); |
| int pthread_mutex_trylock(pthread_mutex_t*) __nonnull((1)); |
| int pthread_mutex_unlock(pthread_mutex_t*) __nonnull((1)); |
| |
| int pthread_once(pthread_once_t*, void (*)(void)) __nonnull((1, 2)); |
| |
| int pthread_rwlockattr_destroy(pthread_rwlockattr_t*) __nonnull((1)); |
| int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t*, int*) __nonnull((1, 2)); |
| int pthread_rwlockattr_init(pthread_rwlockattr_t*) __nonnull((1)); |
| int pthread_rwlockattr_setpshared(pthread_rwlockattr_t*, int) __nonnull((1)); |
| |
| int pthread_rwlock_destroy(pthread_rwlock_t*) __nonnull((1)); |
| int pthread_rwlock_init(pthread_rwlock_t*, const pthread_rwlockattr_t*) __nonnull((1)); |
| int pthread_rwlock_rdlock(pthread_rwlock_t*) __nonnull((1)); |
| int pthread_rwlock_timedrdlock(pthread_rwlock_t*, const struct timespec*) __nonnull((1, 2)); |
| int pthread_rwlock_timedwrlock(pthread_rwlock_t*, const struct timespec*) __nonnull((1, 2)); |
| int pthread_rwlock_tryrdlock(pthread_rwlock_t*) __nonnull((1)); |
| int pthread_rwlock_trywrlock(pthread_rwlock_t*) __nonnull((1)); |
| int pthread_rwlock_unlock(pthread_rwlock_t *rwlock) __nonnull((1)); |
| int pthread_rwlock_wrlock(pthread_rwlock_t*) __nonnull((1)); |
| |
| pthread_t pthread_self(void); |
| |
| int pthread_setname_np(pthread_t, const char*) __nonnull((2)); |
| |
| int pthread_setschedparam(pthread_t, int, const struct sched_param*) __nonnull((3)); |
| |
| int pthread_setspecific(pthread_key_t, const void*); |
| |
| int pthread_sigmask(int, const sigset_t*, sigset_t*); |
| |
| typedef void (*__pthread_cleanup_func_t)(void*); |
| |
| typedef struct __pthread_cleanup_t { |
| struct __pthread_cleanup_t* __cleanup_prev; |
| __pthread_cleanup_func_t __cleanup_routine; |
| void* __cleanup_arg; |
| } __pthread_cleanup_t; |
| |
| extern void __pthread_cleanup_push(__pthread_cleanup_t* c, __pthread_cleanup_func_t, void*); |
| extern void __pthread_cleanup_pop(__pthread_cleanup_t*, int); |
| |
| /* Believe or not, the definitions of pthread_cleanup_push and |
| * pthread_cleanup_pop below are correct. Posix states that these |
| * can be implemented as macros that might introduce opening and |
| * closing braces, and that using setjmp/longjmp/return/break/continue |
| * between them results in undefined behavior. |
| */ |
| #define pthread_cleanup_push(routine, arg) \ |
| do { \ |
| __pthread_cleanup_t __cleanup; \ |
| __pthread_cleanup_push( &__cleanup, (routine), (arg) ); \ |
| |
| #define pthread_cleanup_pop(execute) \ |
| __pthread_cleanup_pop( &__cleanup, (execute)); \ |
| } while (0); \ |
| |
| |
| #if !defined(__LP64__) |
| |
| // Bionic additions that are deprecated even in the 32-bit ABI. |
| // |
| // TODO: Remove them once chromium_org / NFC have switched over. |
| int pthread_cond_timedwait_monotonic_np(pthread_cond_t*, pthread_mutex_t*, const struct timespec*); |
| int pthread_cond_timedwait_monotonic(pthread_cond_t*, pthread_mutex_t*, const struct timespec*); |
| |
| int pthread_cond_timedwait_relative_np(pthread_cond_t*, pthread_mutex_t*, const struct timespec*) /* TODO: __attribute__((deprecated("use pthread_cond_timedwait instead")))*/; |
| #define HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE 1 /* TODO: stop defining this to push LP32 off this API sooner. */ |
| int pthread_cond_timeout_np(pthread_cond_t*, pthread_mutex_t*, unsigned) /* TODO: __attribute__((deprecated("use pthread_cond_timedwait instead")))*/; |
| |
| int pthread_mutex_lock_timeout_np(pthread_mutex_t*, unsigned) __attribute__((deprecated("use pthread_mutex_timedlock instead"))); |
| |
| #endif /* !defined(__LP64__) */ |
| |
| __END_DECLS |
| |
| #endif /* _PTHREAD_H_ */ |