1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* 28*0Sstevel@tonic-gate * condvar.h: 29*0Sstevel@tonic-gate * 30*0Sstevel@tonic-gate * definitions for thread synchronization primitives: condition variables 31*0Sstevel@tonic-gate * This is the public part of the interface to condition variables. The 32*0Sstevel@tonic-gate * private (implementation-specific) part is in <arch>/sys/condvar_impl.h. 33*0Sstevel@tonic-gate */ 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate #ifndef _SYS_CONDVAR_H 36*0Sstevel@tonic-gate #define _SYS_CONDVAR_H 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate #ifndef _ASM 41*0Sstevel@tonic-gate #include <sys/types.h> 42*0Sstevel@tonic-gate #include <sys/time.h> 43*0Sstevel@tonic-gate #ifdef _KERNEL 44*0Sstevel@tonic-gate #include <sys/mutex.h> 45*0Sstevel@tonic-gate #endif /* _KERNEL */ 46*0Sstevel@tonic-gate #endif /* _ASM */ 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate #ifdef __cplusplus 49*0Sstevel@tonic-gate extern "C" { 50*0Sstevel@tonic-gate #endif 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate #ifndef _ASM 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate /* 55*0Sstevel@tonic-gate * Condtion variables. 56*0Sstevel@tonic-gate */ 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate typedef struct _kcondvar { 59*0Sstevel@tonic-gate ushort_t _opaque; 60*0Sstevel@tonic-gate } kcondvar_t; 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate typedef enum { 63*0Sstevel@tonic-gate CV_DEFAULT, 64*0Sstevel@tonic-gate CV_DRIVER 65*0Sstevel@tonic-gate } kcv_type_t; 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate #if defined(_KERNEL) 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate /* 71*0Sstevel@tonic-gate * condition variable function prototypes 72*0Sstevel@tonic-gate */ 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate extern void cv_init(kcondvar_t *, char *, kcv_type_t, void *); 75*0Sstevel@tonic-gate extern void cv_destroy(kcondvar_t *); 76*0Sstevel@tonic-gate extern void cv_wait(kcondvar_t *, kmutex_t *); 77*0Sstevel@tonic-gate extern void cv_wait_stop(kcondvar_t *, kmutex_t *, int); 78*0Sstevel@tonic-gate extern clock_t cv_timedwait(kcondvar_t *, kmutex_t *, clock_t); 79*0Sstevel@tonic-gate extern int cv_wait_sig(kcondvar_t *, kmutex_t *); 80*0Sstevel@tonic-gate extern clock_t cv_timedwait_sig(kcondvar_t *, kmutex_t *, clock_t); 81*0Sstevel@tonic-gate extern int cv_wait_sig_swap(kcondvar_t *, kmutex_t *); 82*0Sstevel@tonic-gate extern int cv_wait_sig_swap_core(kcondvar_t *, kmutex_t *, int *); 83*0Sstevel@tonic-gate extern void cv_signal(kcondvar_t *); 84*0Sstevel@tonic-gate extern void cv_broadcast(kcondvar_t *); 85*0Sstevel@tonic-gate extern int cv_waituntil_sig(kcondvar_t *, kmutex_t *, timestruc_t *, int); 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate #endif /* defined(_KERNEL) */ 88*0Sstevel@tonic-gate 89*0Sstevel@tonic-gate #endif /* _ASM */ 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate #ifdef __cplusplus 92*0Sstevel@tonic-gate } 93*0Sstevel@tonic-gate #endif 94*0Sstevel@tonic-gate 95*0Sstevel@tonic-gate #endif /* _SYS_CONDVAR_H */ 96