sched.h revision 1.3.4.3
1 1.3.4.2 tls /* $NetBSD: sched.h,v 1.3.4.3 2017/12/03 11:37:59 jdolecek Exp $ */ 2 1.3.4.2 tls 3 1.3.4.2 tls /*- 4 1.3.4.2 tls * Copyright (c) 2013 The NetBSD Foundation, Inc. 5 1.3.4.2 tls * All rights reserved. 6 1.3.4.2 tls * 7 1.3.4.2 tls * This code is derived from software contributed to The NetBSD Foundation 8 1.3.4.2 tls * by Taylor R. Campbell. 9 1.3.4.2 tls * 10 1.3.4.2 tls * Redistribution and use in source and binary forms, with or without 11 1.3.4.2 tls * modification, are permitted provided that the following conditions 12 1.3.4.2 tls * are met: 13 1.3.4.2 tls * 1. Redistributions of source code must retain the above copyright 14 1.3.4.2 tls * notice, this list of conditions and the following disclaimer. 15 1.3.4.2 tls * 2. Redistributions in binary form must reproduce the above copyright 16 1.3.4.2 tls * notice, this list of conditions and the following disclaimer in the 17 1.3.4.2 tls * documentation and/or other materials provided with the distribution. 18 1.3.4.2 tls * 19 1.3.4.2 tls * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.3.4.2 tls * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.3.4.2 tls * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.3.4.2 tls * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.3.4.2 tls * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.3.4.2 tls * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.3.4.2 tls * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.3.4.2 tls * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.3.4.2 tls * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.3.4.2 tls * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.3.4.2 tls * POSSIBILITY OF SUCH DAMAGE. 30 1.3.4.2 tls */ 31 1.3.4.2 tls 32 1.3.4.2 tls #ifndef _LINUX_SCHED_H_ 33 1.3.4.2 tls #define _LINUX_SCHED_H_ 34 1.3.4.2 tls 35 1.3.4.2 tls #include <sys/param.h> 36 1.3.4.2 tls #include <sys/kernel.h> 37 1.3.4.2 tls #include <sys/proc.h> 38 1.3.4.2 tls 39 1.3.4.2 tls #define TASK_COMM_LEN MAXCOMLEN 40 1.3.4.2 tls 41 1.3.4.2 tls #define current curproc 42 1.3.4.2 tls 43 1.3.4.2 tls static inline pid_t 44 1.3.4.2 tls task_pid_nr(struct proc *p) 45 1.3.4.2 tls { 46 1.3.4.2 tls return p->p_pid; 47 1.3.4.2 tls } 48 1.3.4.2 tls 49 1.3.4.2 tls static inline long 50 1.3.4.2 tls schedule_timeout_uninterruptible(long timeout) 51 1.3.4.2 tls { 52 1.3.4.3 jdolecek long remain; 53 1.3.4.2 tls int start, end; 54 1.3.4.2 tls 55 1.3.4.3 jdolecek if (cold) { 56 1.3.4.3 jdolecek DELAY(timeout); 57 1.3.4.3 jdolecek return 0; 58 1.3.4.3 jdolecek } 59 1.3.4.3 jdolecek 60 1.3.4.2 tls start = hardclock_ticks; 61 1.3.4.2 tls /* XXX Integer truncation...not likely to matter here. */ 62 1.3.4.2 tls (void)kpause("loonix", false /*!intr*/, timeout, NULL); 63 1.3.4.2 tls end = hardclock_ticks; 64 1.3.4.2 tls 65 1.3.4.3 jdolecek remain = timeout - (end - start); 66 1.3.4.3 jdolecek return remain > 0 ? remain : 0; 67 1.3.4.2 tls } 68 1.3.4.2 tls 69 1.3.4.2 tls #endif /* _LINUX_SCHED_H_ */ 70
Indexes created Tue Sep 30 20:09:53 GMT 2025