/*
 * Copyright 2013 MongoDB, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


#ifndef BSON_THREAD_PRIVATE_H
#define BSON_THREAD_PRIVATE_H


#if !defined (BSON_INSIDE) && !defined (BSON_COMPILATION)
# error "Only <bson.h> can be included directly."
#endif


#include "bson-compat.h"
#include "bson-config.h"
#include "bson-macros.h"


BSON_BEGIN_DECLS


#if defined(BSON_OS_UNIX)
#  include <pthread.h>
#  define bson_mutex_t                    pthread_mutex_t
#  define bson_mutex_init(_n)             pthread_mutex_init((_n), NULL)
#  define bson_mutex_lock                 pthread_mutex_lock
#  define bson_mutex_unlock               pthread_mutex_unlock
#  define bson_mutex_destroy              pthread_mutex_destroy
#  define bson_thread_t                   pthread_t
#  define bson_thread_create(_t,_f,_d)    pthread_create((_t), NULL, (_f), (_d))
#  define bson_thread_join(_n)            pthread_join((_n), NULL)
#  define bson_once_t                     pthread_once_t
#  define bson_once                       pthread_once
#  define BSON_ONCE_FUN(n)                void n(void)
#  define BSON_ONCE_RETURN                return
#  ifdef _PTHREAD_ONCE_INIT_NEEDS_BRACES
#    define BSON_ONCE_INIT                {PTHREAD_ONCE_INIT}
#  else
#    define BSON_ONCE_INIT                PTHREAD_ONCE_INIT
#  endif
#else
#  define bson_mutex_t                    CRITICAL_SECTION
#  define bson_mutex_init                 InitializeCriticalSection
#  define bson_mutex_lock                 EnterCriticalSection
#  define bson_mutex_unlock               LeaveCriticalSection
#  define bson_mutex_destroy              DeleteCriticalSection
#  define bson_thread_t                   HANDLE
#  define bson_thread_create(_t,_f,_d)    (!(*(_t) = CreateThread(NULL,0,(void*)_f,_d,0,NULL)))
#  define bson_thread_join(_n)            WaitForSingleObject((_n), INFINITE)
#  define bson_once_t                     INIT_ONCE
#  define BSON_ONCE_INIT                  INIT_ONCE_STATIC_INIT
#  define bson_once(o, c)                 InitOnceExecuteOnce(o, c, NULL, NULL)
#  define BSON_ONCE_FUN(n)                BOOL CALLBACK n(PINIT_ONCE _ignored_a, PVOID _ignored_b, PVOID *_ignored_c)
#  define BSON_ONCE_RETURN                return true
#endif


BSON_END_DECLS


#endif /* BSON_THREAD_PRIVATE_H */