ubthread.h

/**************************************************************************************
 Copyright (c) 2002 The UbixOS Project
 All rights reserved.

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 $Id$

**************************************************************************************/

#ifndef _UBTHREAD_H
#define _UBTHREAD_H

#include <ubixos/types.h>
#include <ubixos/sched.h>
#include <ubixos/time.h>

#define ETIMEDOUT -1

#define LOCKED     1
#define UNLOCKED   0

typedef struct ubthread       *ubthread_t;
typedef struct ubthread_cond  *ubthread_cond_t;
typedef struct ubthread_mutex *ubthread_mutex_t;

struct ubthread {
  kTask_t *task;
  };

struct ubthread_cond {
  int   id;
  uInt8 locked;
  };

struct ubthread_mutex {
  int     id;
  uInt8   locked;
  pidType pid;
  };

struct ubthread_list {
  struct ubthread_list *next;
  ubthread_t           thread;
  };

struct ubthread_cond_list {
  struct ubthread_cond_list *next;
  ubthread_cond_t           *cond;
  };

struct ubthread_mutex_list {
  struct ubthread_mutex_list *next;
  ubthread_mutex_t           *mutex;
  };


kTask_t *ubthread_self();
int ubthread_cond_init(ubthread_cond_t *cond,const uInt32 attr);
int ubthread_mutex_init(ubthread_mutex_t *mutex,const uInt32 attr);
int ubthread_cond_destroy(ubthread_cond_t *cond);
int ubthread_mutex_destroy(ubthread_mutex_t *mutex);
int ubthread_create(kTask_t **thread,const uInt32 *attr,void *start_routine, void *arg);
int ubthread_mutex_lock(ubthread_mutex_t *mutex);
int ubthread_mutex_unlock(ubthread_mutex_t *mutex);
int ubthread_cond_timedwait(ubthread_cond_t *cond, ubthread_mutex_t *mutex, const struct timespec *abstime);
int ubthread_cond_wait(ubthread_cond_t *cond, ubthread_mutex_t *mutex);
int ubthread_cond_signal(ubthread_cond_t *cond);

#endif

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