#ifndef COSMOPOLITAN_LIBC_THREAD_THREAD_H_ #define COSMOPOLITAN_LIBC_THREAD_THREAD_H_ #define PTHREAD_KEYS_MAX 128 #define PTHREAD_STACK_MIN 262144 #define PTHREAD_DESTRUCTOR_ITERATIONS 4 #define PTHREAD_BARRIER_SERIAL_THREAD 31337 #define PTHREAD_MUTEX_DEFAULT 0 #define PTHREAD_MUTEX_NORMAL 0 #define PTHREAD_MUTEX_RECURSIVE 1 #define PTHREAD_MUTEX_ERRORCHECK 2 #define PTHREAD_MUTEX_STALLED 0 #define PTHREAD_MUTEX_ROBUST 1 #define PTHREAD_PROCESS_PRIVATE 0 #define PTHREAD_PROCESS_SHARED 1 #define PTHREAD_CREATE_JOINABLE 0 #define PTHREAD_CREATE_DETACHED 1 #define PTHREAD_INHERIT_SCHED 0 #define PTHREAD_EXPLICIT_SCHED 1 #define PTHREAD_CANCELED ((void *)-1) #define PTHREAD_CANCEL_ENABLE 0 #define PTHREAD_CANCEL_DISABLE 1 #define PTHREAD_CANCEL_MASKED 2 #define PTHREAD_CANCEL_DEFERRED 0 #define PTHREAD_CANCEL_ASYNCHRONOUS 1 #define PTHREAD_SCOPE_SYSTEM 0 #define PTHREAD_SCOPE_PROCESS 1 #define PTHREAD_ATTR_NO_SIGMASK_NP -1 #if !(__ASSEMBLER__ + __LINKER__ + 0) COSMOPOLITAN_C_START_ #define PTHREAD_ONCE_INIT _PTHREAD_INIT #define PTHREAD_COND_INITIALIZER _PTHREAD_INIT #define PTHREAD_RWLOCK_INITIALIZER _PTHREAD_INIT #define PTHREAD_MUTEX_INITIALIZER _PTHREAD_INIT #define _PTHREAD_INIT \ { 0 } typedef uintptr_t pthread_t; typedef int pthread_id_np_t; typedef char pthread_condattr_t; typedef char pthread_rwlockattr_t; typedef char pthread_barrierattr_t; typedef unsigned pthread_key_t; typedef void (*pthread_key_dtor)(void *); typedef struct pthread_once_s { _Atomic(uint32_t) _lock; } pthread_once_t; typedef struct pthread_spinlock_s { _Atomic(int) _lock; } pthread_spinlock_t; typedef struct pthread_mutex_s { _Atomic(int32_t) _lock; unsigned _type : 2; unsigned _pshared : 1; unsigned _depth : 6; unsigned _owner : 23; long _pid; } pthread_mutex_t; typedef struct pthread_mutexattr_s { char _type; char _pshared; } pthread_mutexattr_t; typedef struct pthread_cond_s { void *_nsync[2]; } pthread_cond_t; typedef struct pthread_rwlock_s { void *_nsync[2]; char _iswrite; } pthread_rwlock_t; typedef struct pthread_barrier_s { void *_nsync; } pthread_barrier_t; typedef struct pthread_attr_s { char __detachstate; char __inheritsched; char __havesigmask; int __schedparam; int __schedpolicy; int __contentionscope; unsigned __guardsize; unsigned __stacksize; uint32_t __sigmask[4]; char *__stackaddr; } pthread_attr_t; struct _pthread_cleanup_buffer { void (*__routine)(void *); void *__arg; int __canceltype; struct _pthread_cleanup_buffer *__prev; }; /* clang-format off */ int pthread_atfork(void (*)(void), void (*)(void), void (*)(void)); int pthread_attr_destroy(pthread_attr_t *) paramsnonnull(); int pthread_attr_getdetachstate(const pthread_attr_t *, int *) paramsnonnull(); int pthread_attr_getguardsize(const pthread_attr_t *, size_t *) paramsnonnull(); int pthread_attr_getinheritsched(const pthread_attr_t *, int *) paramsnonnull(); int pthread_attr_getschedpolicy(const pthread_attr_t *, int *) paramsnonnull(); int pthread_attr_getscope(const pthread_attr_t *, int *) paramsnonnull(); int pthread_attr_getstack(const pthread_attr_t *, void **, size_t *) paramsnonnull(); int pthread_attr_getstacksize(const pthread_attr_t *, size_t *) paramsnonnull(); int pthread_attr_init(pthread_attr_t *) paramsnonnull(); int pthread_attr_setdetachstate(pthread_attr_t *, int) paramsnonnull(); int pthread_attr_setguardsize(pthread_attr_t *, size_t) paramsnonnull(); int pthread_attr_setinheritsched(pthread_attr_t *, int) paramsnonnull(); int pthread_attr_setschedpolicy(pthread_attr_t *, int) paramsnonnull(); int pthread_attr_setscope(pthread_attr_t *, int) paramsnonnull(); int pthread_attr_setstack(pthread_attr_t *, void *, size_t) paramsnonnull((1)); int pthread_attr_setstacksize(pthread_attr_t *, size_t) paramsnonnull(); int pthread_barrier_destroy(pthread_barrier_t *) paramsnonnull(); int pthread_barrier_init(pthread_barrier_t *, const pthread_barrierattr_t *, unsigned) paramsnonnull((1)); int pthread_barrier_wait(pthread_barrier_t *) paramsnonnull(); int pthread_barrierattr_destroy(pthread_barrierattr_t *) paramsnonnull(); int pthread_barrierattr_getpshared(const pthread_barrierattr_t *, int *) paramsnonnull(); int pthread_barrierattr_init(pthread_barrierattr_t *) paramsnonnull(); int pthread_barrierattr_setpshared(pthread_barrierattr_t *, int) paramsnonnull(); int pthread_cancel(pthread_t); int pthread_cond_broadcast(pthread_cond_t *) paramsnonnull(); int pthread_cond_destroy(pthread_cond_t *) paramsnonnull(); int pthread_cond_init(pthread_cond_t *, const pthread_condattr_t *) paramsnonnull((1)); int pthread_cond_signal(pthread_cond_t *) paramsnonnull(); int pthread_cond_wait(pthread_cond_t *, pthread_mutex_t *) paramsnonnull(); int pthread_condattr_destroy(pthread_condattr_t *) paramsnonnull(); int pthread_condattr_getpshared(const pthread_condattr_t *, int *) paramsnonnull(); int pthread_condattr_init(pthread_condattr_t *) paramsnonnull(); int pthread_condattr_setpshared(pthread_condattr_t *, int) paramsnonnull(); int pthread_create(pthread_t *, const pthread_attr_t *, void *(*)(void *), void *) paramsnonnull((1)); int pthread_detach(pthread_t); int pthread_equal(pthread_t, pthread_t); int pthread_getattr_np(pthread_t, pthread_attr_t *) paramsnonnull(); int pthread_getname_np(pthread_t, char *, size_t) paramsnonnull(); int pthread_getunique_np(pthread_t, pthread_id_np_t *) paramsnonnull(); int pthread_join(pthread_t, void **); int pthread_key_create(pthread_key_t *, pthread_key_dtor) paramsnonnull((1)); int pthread_key_delete(pthread_key_t); int pthread_kill(pthread_t, int); int pthread_mutex_consistent(pthread_mutex_t *) paramsnonnull(); int pthread_mutex_destroy(pthread_mutex_t *) paramsnonnull(); int pthread_mutex_init(pthread_mutex_t *, const pthread_mutexattr_t *) paramsnonnull((1)); int pthread_mutex_lock(pthread_mutex_t *) paramsnonnull(); int pthread_mutex_trylock(pthread_mutex_t *) paramsnonnull(); int pthread_mutex_unlock(pthread_mutex_t *) paramsnonnull(); int pthread_mutexattr_destroy(pthread_mutexattr_t *) paramsnonnull(); int pthread_mutexattr_getpshared(const pthread_mutexattr_t *, int *) paramsnonnull(); int pthread_mutexattr_gettype(const pthread_mutexattr_t *, int *) paramsnonnull(); int pthread_mutexattr_init(pthread_mutexattr_t *) paramsnonnull(); int pthread_mutexattr_setpshared(pthread_mutexattr_t *, int) paramsnonnull(); int pthread_mutexattr_settype(pthread_mutexattr_t *, int) paramsnonnull(); int pthread_once(pthread_once_t *, void (*)(void)) paramsnonnull(); int pthread_orphan_np(void); int pthread_rwlock_destroy(pthread_rwlock_t *) paramsnonnull(); int pthread_rwlock_init(pthread_rwlock_t *, const pthread_rwlockattr_t *) paramsnonnull((1)); int pthread_rwlock_rdlock(pthread_rwlock_t *) paramsnonnull(); int pthread_rwlock_tryrdlock(pthread_rwlock_t *) paramsnonnull(); int pthread_rwlock_trywrlock(pthread_rwlock_t *) paramsnonnull(); int pthread_rwlock_unlock(pthread_rwlock_t *) paramsnonnull(); int pthread_rwlock_wrlock(pthread_rwlock_t *) paramsnonnull(); int pthread_rwlockattr_destroy(pthread_rwlockattr_t *) paramsnonnull(); int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *, int *) paramsnonnull(); int pthread_rwlockattr_init(pthread_rwlockattr_t *) paramsnonnull(); int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *, int) paramsnonnull(); int pthread_setcancelstate(int, int *); int pthread_setcanceltype(int, int *); int pthread_setname_np(pthread_t, const char *) paramsnonnull(); int pthread_setschedprio(pthread_t, int); int pthread_setspecific(pthread_key_t, const void *); int pthread_spin_destroy(pthread_spinlock_t *) paramsnonnull(); int pthread_spin_init(pthread_spinlock_t *, int) paramsnonnull(); int pthread_spin_lock(pthread_spinlock_t *) paramsnonnull(); int pthread_spin_trylock(pthread_spinlock_t *) paramsnonnull(); int pthread_spin_unlock(pthread_spinlock_t *) paramsnonnull(); int pthread_testcancel_np(void); int pthread_tryjoin_np(pthread_t, void **); int pthread_yield(void); pthread_id_np_t pthread_getthreadid_np(void); pthread_t pthread_self(void) pureconst; void *pthread_getspecific(pthread_key_t); void pthread_cleanup_pop(struct _pthread_cleanup_buffer *, int) paramsnonnull(); void pthread_cleanup_push(struct _pthread_cleanup_buffer *, void (*)(void *), void *) paramsnonnull((1)); void pthread_decimate_np(void); void pthread_exit(void *) wontreturn; void pthread_testcancel(void); /* clang-format on */ #define pthread_cleanup_push(routine, arg) \ { \ struct _pthread_cleanup_buffer _buffer; \ pthread_cleanup_push(&_buffer, (routine), (arg)); #define pthread_cleanup_pop(execute) \ pthread_cleanup_pop(&_buffer, (execute)); \ } #if (__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 407 && \ !defined(__STRICT_ANSI__) && !defined(MODE_DBG) extern const errno_t EBUSY; #define pthread_spin_lock(pSpin) \ ({ \ pthread_spinlock_t *_s = pSpin; \ while (__atomic_test_and_set(&_s->_lock, __ATOMIC_ACQUIRE)) { \ } \ 0; \ }) #define pthread_spin_unlock(pSpin) \ ({ \ pthread_spinlock_t *_s = pSpin; \ __atomic_store_n(&_s->_lock, 0, __ATOMIC_RELEASE); \ 0; \ }) #define pthread_spin_trylock(pSpin) \ ({ \ pthread_spinlock_t *_s = pSpin; \ __atomic_test_and_set(&_s->_lock, __ATOMIC_ACQUIRE) ? EBUSY : 0; \ }) #define pthread_spin_init(pSpin, multiprocess) \ (__atomic_store_n(&(pSpin)->_lock, 0, __ATOMIC_RELAXED), 0) #define pthread_spin_destroy(pSpin) \ (__atomic_store_n(&(pSpin)->_lock, -1, __ATOMIC_RELAXED), 0) #endif /* GCC 4.7+ */ COSMOPOLITAN_C_END_ #endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */ #endif /* COSMOPOLITAN_LIBC_THREAD_THREAD_H_ */