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 1996-2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SCHEDCTL_H 28 #define _SCHEDCTL_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #include <sys/schedctl.h> 37 38 typedef sc_public_t schedctl_t; 39 40 extern void yield(void); 41 42 #define schedctl_start(p) \ 43 (void) (((p) == NULL)? 0 : \ 44 ((((schedctl_t *)(p))->sc_nopreempt = 1), 0)) 45 46 #define schedctl_stop(p) \ 47 (void) (((p) == NULL)? 0 : \ 48 ((((schedctl_t *)(p))->sc_nopreempt = 0), \ 49 (((schedctl_t *)(p))->sc_yield? (yield(), 0) : 0))) 50 51 /* 52 * libsched API 53 */ 54 #if defined(__STDC__) 55 schedctl_t *schedctl_init(void); 56 schedctl_t *schedctl_lookup(void); 57 void schedctl_exit(void); 58 #else 59 schedctl_t *schedctl_init(); 60 schedctl_t *schedctl_lookup(); 61 void schedctl_exit(); 62 #endif /* __STDC__ */ 63 64 #ifdef __cplusplus 65 } 66 #endif 67 68 #endif /* _SCHEDCTL_H */ 69