/* $NetBSD: sa.h,v 1.14 2008/10/20 16:16:27 tsutsui Exp $ */ /*- * Copyright (c) 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Nathan J. Williams. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _SYS_SA_H_ #define _SYS_SA_H_ #include <sys/satypes.h> #include <sys/ucontext.h> struct sa_t { ucontext_t *sa_context; int sa_id; int sa_cpu; }; /* kernel known per upcall stack data */ struct sa_stackinfo_t { unsigned int sasi_stackgen; /* stack generation counter */ }; #define SA_UPCALL_NEWPROC 0 #define SA_UPCALL_PREEMPTED 1 #define SA_UPCALL_BLOCKED 2 #define SA_UPCALL_UNBLOCKED 3 #define SA_UPCALL_SIGNAL 4 #define SA_UPCALL_SIGEV 5 #define SA_UPCALL_USER 6 #define SA_UPCALL_NUPCALLS 7 #define SA_UPCALL_STRINGS "newproc", "preempted", "blocked", "unblocked", \ "signal", "sigev", "user" #define SA_FLAG_PREEMPT 0x0001 /* Generate upcalls on a vanilla preempt() */ #define SA_FLAG_STACKINFO 0x010000 /* Use stackinfo for upcall stack return */ #ifdef _KERNEL extern int sa_system_disabled; #endif /* _KERNEL */ #endif /* !_SYS_SA_H_ */