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) 1991-1997 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #ifndef _SYS_CONDVAR_IMPL_H 28 #define _SYS_CONDVAR_IMPL_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 /* 33 * Implementation-private definitions for condition variables 34 */ 35 36 #ifndef _ASM 37 #include <sys/types.h> 38 #include <sys/thread.h> 39 #endif /* _ASM */ 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 45 #ifndef _ASM 46 47 /* 48 * Condtion variables. 49 */ 50 51 typedef struct _condvar_impl { 52 ushort_t cv_waiters; 53 } condvar_impl_t; 54 55 #define CV_HAS_WAITERS(cvp) (((condvar_impl_t *)(cvp))->cv_waiters != 0) 56 57 #endif /* _ASM */ 58 59 #ifdef __cplusplus 60 } 61 #endif 62 63 #endif /* _SYS_CONDVAR_IMPL_H */ 64