# ubthread.h

    00001 /**************************************************************************************
    00002  Copyright (c) 2002 The UbixOS Project
    00003  All rights reserved.
    00004
    00005 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
    00006
    00007 Redistributions of source code must retain the above copyright notice, this list of conditions, the following disclaimer and the list of authors.
    00008 Redistributions in binary form must reproduce the above copyright notice, this list of conditions, the following disclaimer and the list of authors
    00009 in the documentation and/or other materials provided with the distribution. Neither the name of the UbixOS Project nor the names of its
    00010 contributors may be used to endorse or promote products derived from this software without specific prior written permission.
    00011
    00012 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
    00013 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
    00014 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
    00015 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
    00016 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
    00017 OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    00018 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    00019
    00020  $Id$
    00021
    00022 **************************************************************************************/
    00023
    00024 #ifndef _UBTHREAD_H
    00025 #define _UBTHREAD_H
    00026
    00027 #include <ubixos/types.h>
    00028 #include <ubixos/sched.h>
    00029 #include <ubixos/time.h>
    00030
    00031 #define ETIMEDOUT -1
    00032
    00033 #define LOCKED     1
    00034 #define UNLOCKED   0
    00035
    00036 typedef struct ubthread       *ubthread_t;
    00037 typedef struct ubthread_cond  *ubthread_cond_t;
    00038 typedef struct ubthread_mutex *ubthread_mutex_t;
    00039
    00040 struct ubthread {
    00041   kTask_t *task;
    00042   };
    00043
    00044 struct ubthread_cond {
    00045   int   id;
    00046   uInt8 locked;
    00047   };
    00048
    00049 struct ubthread_mutex {
    00050   int     id;
    00051   uInt8   locked;
    00052   pidType pid;
    00053   };
    00054
    00055 struct ubthread_list {
    00056   struct ubthread_list *next;
    00057   ubthread_t           thread;
    00058   };
    00059
    00060 struct ubthread_cond_list {
    00061   struct ubthread_cond_list *next;
    00062   ubthread_cond_t           *cond;
    00063   };
    00064
    00065 struct ubthread_mutex_list {
    00066   struct ubthread_mutex_list *next;
    00067   ubthread_mutex_t           *mutex;
    00068   };
    00069
    00070
    00071 kTask_t *ubthread_self();
    00072 int ubthread_cond_init(ubthread_cond_t *cond,const uInt32 attr);
    00073 int ubthread_mutex_init(ubthread_mutex_t *mutex,const uInt32 attr);
    00074 int ubthread_cond_destroy(ubthread_cond_t *cond);
    00075 int ubthread_mutex_destroy(ubthread_mutex_t *mutex);
    00076 int ubthread_create(kTask_t **thread,const uInt32 *attr,void *start_routine, void *arg);
    00077 int ubthread_mutex_lock(ubthread_mutex_t *mutex);
    00078 int ubthread_mutex_unlock(ubthread_mutex_t *mutex);
    00079 int ubthread_cond_timedwait(ubthread_cond_t *cond, ubthread_mutex_t *mutex, const struct timespec *abstime);
    00080 int ubthread_cond_wait(ubthread_cond_t *cond, ubthread_mutex_t *mutex);
    00081 int ubthread_cond_signal(ubthread_cond_t *cond);
    00082
    00083 #endif