/*
 * Copyright 2003-2009, Axel Dörfler, axeld@pinc-software.de.
 * Copyright 2007, Ryan Leavengood, leavengood@gmail.com.
 * All rights reserved. Distributed under the terms of the MIT License.
 */
#ifndef _PTHREAD_PRIVATE_H_
#define _PTHREAD_PRIVATE_H_


#include <pthread.h>

#include <OS.h>


// _pthread_thread::flags values
#define THREAD_DETACHED                         0x01
#define THREAD_DEAD                                     0x02
#define THREAD_CANCELED                         0x04
#define THREAD_CANCEL_ENABLED           0x08
#define THREAD_CANCEL_ASYNCHRONOUS      0x10

// _pthread_mutex::flags values
#define MUTEX_FLAG_SHARED       0x80000000


struct thread_creation_attributes;

// The public *_t types are only pointers to these structures
// This way, we are completely free to change them, which might be
// necessary in the future (not only due to the incomplete implementation
// at this point).

typedef struct _pthread_condattr {
        bool            process_shared;
        clockid_t       clock_id;
} pthread_condattr;

typedef struct _pthread_mutexattr {
        int32           type;
        bool            process_shared;
} pthread_mutexattr;

typedef struct _pthread_barrierattr {
        bool            process_shared;
} pthread_barrierattr;

typedef struct _pthread_attr {
        int32           detach_state;
        int32           sched_priority;
        size_t          stack_size;
        size_t          guard_size;
        void            *stack_address;
} pthread_attr;

typedef struct _pthread_rwlockattr {
        uint32_t        flags;
} pthread_rwlockattr;

typedef void (*pthread_key_destructor)(void *data);

struct pthread_key {
        int32           sequence;
        pthread_key_destructor destructor;
};

struct pthread_key_data {
        int32           sequence;
        void            *value;
};

#define PTHREAD_UNUSED_SEQUENCE 0

typedef struct _pthread_thread {
        thread_id       id;
        int32           flags;
        void            *(*entry)(void*);
        void            *entry_argument;
        void            *exit_value;
        struct pthread_key_data specific[PTHREAD_KEYS_MAX];
        struct __pthread_cleanup_handler *cleanup_handlers;
} pthread_thread;


#ifdef __cplusplus
extern "C" {
#endif

void __pthread_key_call_destructors(pthread_thread *thread);
void __pthread_destroy_thread(void);
pthread_thread *__allocate_pthread(void* (*entry)(void*), void *data);
void __init_pthread(pthread_thread* thread, void* (*entry)(void*), void* data);
status_t __pthread_init_creation_attributes(
        const pthread_attr_t* pthreadAttributes, pthread_t thread,
        status_t (*entryFunction)(void*, void*), void* argument1,
        void* argument2, const char* name,
        struct thread_creation_attributes* attributes);
void __pthread_set_default_priority(int32 priority);
status_t __pthread_mutex_lock(pthread_mutex_t* mutex, bigtime_t timeout);

int __pthread_getname_np(pthread_t thread, char* buffer, size_t length);
int __pthread_setname_np(pthread_t thread, const char* name);

#ifdef __cplusplus
}
#endif

#endif  /* _PTHREAD_PRIVATE_H_ */