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userret.h revision 1.4 
      1 /*	$NetBSD: userret.h,v 1.4 2003/01/18 06:33:42 thorpej Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1988 University of Utah.
      5  * Copyright (c) 1992, 1993
      6  *	The Regents of the University of California.  All rights reserved.
      7  *
      8  * This code is derived from software contributed to Berkeley by
      9  * the Systems Programming Group of the University of Utah Computer
     10  * Science Department and Ralph Campbell.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. All advertising materials mentioning features or use of this software
     21  *    must display the following acknowledgement:
     22  *	This product includes software developed by the University of
     23  *	California, Berkeley and its contributors.
     24  * 4. Neither the name of the University nor the names of its contributors
     25  *    may be used to endorse or promote products derived from this software
     26  *    without specific prior written permission.
     27  *
     28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     38  * SUCH DAMAGE.
     39  *
     40  * from: Utah Hdr: trap.c 1.32 91/04/06
     41  *
     42  *	@(#)trap.c	8.5 (Berkeley) 1/11/94
     43  */
     44 
     45 #ifndef _SH3_USERRET_H_
     46 #define	_SH3_USERRET_H_
     47 
     48 static __inline void
     49 userret(struct lwp *l)
     50 {
     51 	struct proc *p = l->l_proc;
     52 	int sig;
     53 
     54 	/* Take pending signals. */
     55 	while ((sig = CURSIG(l)) != 0)
     56 		postsig(sig);
     57 
     58 	/* Invoke per-process kernel-exit handling, if any. */
     59 	if (p->p_userret)
     60 		(*p->p_userret)(l, p->p_userret_arg);
     61 
     62 	/* Invoke any pending upcalls. */
     63 	while (l->l_flag & L_SA_UPCALL)
     64 		sa_upcall_userret(l);
     65 
     66 	curcpu()->ci_schedstate.spc_curpriority = l->l_priority = l->l_usrpri;
     67 }
     68 
     69 #endif /* !_SH3_USERRET_H_ */
     70