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//===------------------------ threading_support.h -------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCXXABI_THREADING_SUPPORT_H
#define _LIBCXXABI_THREADING_SUPPORT_H
#include "__cxxabi_config.h"
#include "config.h"
#ifndef _LIBCXXABI_HAS_NO_THREADS
#if defined(_LIBCXXABI_USE_THREAD_API_PTHREAD)
#include <pthread.h>
#define _LIBCXXABI_THREAD_ABI_VISIBILITY inline _LIBCXXABI_INLINE_VISIBILITY
// Mutex
typedef pthread_mutex_t __libcxxabi_mutex_t;
#define _LIBCXXABI_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
_LIBCXXABI_THREAD_ABI_VISIBILITY
int __libcxxabi_mutex_lock(__libcxxabi_mutex_t *mutex) {
return pthread_mutex_lock(mutex);
}
_LIBCXXABI_THREAD_ABI_VISIBILITY
int __libcxxabi_mutex_unlock(__libcxxabi_mutex_t *mutex) {
return pthread_mutex_unlock(mutex);
}
// Condition variable
typedef pthread_cond_t __libcxxabi_condvar_t;
#define _LIBCXXABI_CONDVAR_INITIALIZER PTHREAD_COND_INITIALIZER
_LIBCXXABI_THREAD_ABI_VISIBILITY
int __libcxxabi_condvar_wait(__libcxxabi_condvar_t *cv,
__libcxxabi_mutex_t *mutex) {
return pthread_cond_wait(cv, mutex);
}
_LIBCXXABI_THREAD_ABI_VISIBILITY
int __libcxxabi_condvar_broadcast(__libcxxabi_condvar_t *cv) {
return pthread_cond_broadcast(cv);
}
// Execute once
typedef pthread_once_t __libcxxabi_exec_once_flag;
#define _LIBCXXABI_EXEC_ONCE_INITIALIZER PTHREAD_ONCE_INIT
_LIBCXXABI_THREAD_ABI_VISIBILITY
int __libcxxabi_execute_once(__libcxxabi_exec_once_flag *flag,
void (*init_routine)(void)) {
return pthread_once(flag, init_routine);
}
// Thread id
#if defined(__APPLE__) && !defined(__arm__)
_LIBCXXABI_THREAD_ABI_VISIBILITY
mach_port_t __libcxxabi_thread_get_port()
{
return pthread_mach_thread_np(pthread_self());
}
#endif
// Thread
typedef pthread_t __libcxxabi_thread_t;
_LIBCXXABI_THREAD_ABI_VISIBILITY
int __libcxxabi_thread_create(__libcxxabi_thread_t* __t,
void* (*__func)(void*), void* __arg)
{
return pthread_create(__t, 0, __func, __arg);
}
_LIBCXXABI_THREAD_ABI_VISIBILITY
int __libcxxabi_thread_join(__libcxxabi_thread_t* __t)
{
return pthread_join(*__t, 0);
}
// TLS
typedef pthread_key_t __libcxxabi_tls_key;
_LIBCXXABI_THREAD_ABI_VISIBILITY
int __libcxxabi_tls_create(__libcxxabi_tls_key *key,
void (*destructor)(void *)) {
return pthread_key_create(key, destructor);
}
_LIBCXXABI_THREAD_ABI_VISIBILITY
void *__libcxxabi_tls_get(__libcxxabi_tls_key key) {
return pthread_getspecific(key);
}
_LIBCXXABI_THREAD_ABI_VISIBILITY
int __libcxxabi_tls_set(__libcxxabi_tls_key key, void *value) {
return pthread_setspecific(key, value);
}
#endif // _LIBCXXABI_USE_THREAD_API_PTHREAD
#endif // !_LIBCXXABI_HAS_NO_THREADS
#endif // _LIBCXXABI_THREADING_SUPPORT_H
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