usr/src/uts/common/sys/sema_impl.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 1993-1997 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26
  27 /*
  28  * semaphore.h:
  29  *
  30  * definitions for thread synchronization primitives:
  31  * mutexs, semaphores, condition variables, and readers/writer
  32  * locks.
  33  */
  34
  35 #ifndef _SYS_SEMA_IMPL_H
  36 #define _SYS_SEMA_IMPL_H
  37
  38 #ifndef _ASM
  39 #include <sys/types.h>
  40 #include <sys/machlock.h>
  41 #endif  /* _ASM */
  42
  43 #ifdef  __cplusplus
  44 extern "C" {
  45 #endif
  46
  47 #ifndef _ASM
  48
  49 /*
  50  * Semaphores.
  51  */
  52
  53 typedef struct _sema_impl {
  54         struct _kthread *s_slpq;
  55         int             s_count;
  56 } sema_impl_t;
  57
  58 #endif  /* _ASM */
  59
  60 #ifdef  __cplusplus
  61 }
  62 #endif
  63
  64 #endif  /* _SYS_SEMA_IMPL_H */