gonzui: mtkernel_3/kernel/tkernel/semaphore.h

    1: /*
    2:  *----------------------------------------------------------------------
    3:  *    micro T-Kernel 3.00.00
    4:  *
    5:  *    Copyright (C) 2006-2019 by Ken Sakamura.
    6:  *    This software is distributed under the T-License 2.1.
    7:  *----------------------------------------------------------------------
    8:  *
    9:  *    Released by TRON Forum(http://www.tron.org) at 2019/12/11.
   10:  *
   11:  *----------------------------------------------------------------------
   12:  */
   13: 
   14: /*
   15:  *      semaphore.h
   16:  *      Semaphore
   17:  */
   18: 
   19: #ifndef _SEMAPHORE_H_
   20: #define _SEMAPHORE_H_
   21: 
   22: /*
   23:  * Semaphore control block
   24:  */
   25: typedef struct semaphore_control_block {
   26:         QUEUE  wait_queue;      /* Semaphore wait queue */
   27:         ID     semid;              /* Semaphore ID */
   28:         void   *exinf;           /* Extended information */
   29:         ATR    sematr;            /* Semaphore attribute */
   30:         INT    semcnt;            /* Semaphore current count value */
   31:         INT    maxsem;            /* Semaphore maximum count value */
   32: #if USE_OBJECT_NAME
   33:         UB     name[OBJECT_NAME_LENGTH];   /* name */
   34: #endif
   35: } SEMCB;
   36: 
   37: IMPORT SEMCB knl_semcb_table[]; /* Semaphore control block */
   38: IMPORT QUEUE knl_free_semcb;    /* FreeQue */
   39: 
   40: #define get_semcb(id)   ( &knl_semcb_table[INDEX_SEM(id)] )
   41: 
   42: 
   43: #endif /* _SEMAPHORE_H_ */