Add sched_yield().

This commit is contained in:
ad 2007-01-16 05:28:45 +00:00
parent b8daad9836
commit 606e323b3e
3 changed files with 53 additions and 6 deletions

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@ -1,4 +1,4 @@
# $NetBSD: files,v 1.826 2007/01/11 05:36:29 mouse Exp $
# $NetBSD: files,v 1.827 2007/01/16 05:28:45 ad Exp $
# @(#)files.newconf 7.5 (Berkeley) 5/10/93
@ -1335,6 +1335,7 @@ file kern/sys_generic.c
file kern/sys_pipe.c !pipe_socketpair
file kern/sys_pmc.c
file kern/sys_process.c ptrace | ktrace
file kern/sys_sched.c
file kern/sys_socket.c
file kern/syscalls.c syscall_debug
file kern/sysv_ipc.c sysvshm | sysvsem | sysvmsg

50
sys/kern/sys_sched.c Normal file
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@ -0,0 +1,50 @@
/* $NetBSD: sys_sched.c,v 1.1 2007/01/16 05:28:45 ad Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
* All rights reserved.
*
* 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sys_sched.c,v 1.1 2007/01/16 05:28:45 ad Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <sys/syscallargs.h>
int
sys_sched_yield(struct lwp *l, void *v, register_t *retval)
{
yield();
return 0;
}

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@ -1,4 +1,4 @@
$NetBSD: syscalls.master,v 1.161 2007/01/16 01:30:45 ad Exp $
$NetBSD: syscalls.master,v 1.162 2007/01/16 05:28:45 ad Exp $
; @(#)syscalls.master 8.2 (Berkeley) 1/13/94
@ -708,11 +708,7 @@
347 UNIMPL sys_sched_getparam
348 UNIMPL sys_sched_setscheduler
349 UNIMPL sys_sched_getscheduler
#if !defined(KERNEL)
350 STD { int sys_sched_yield(void); }
#else
350 EXCL sys_sched_yield
#endif
351 UNIMPL sys_sched_get_priority_max
352 UNIMPL sys_sched_get_priority_min
353 UNIMPL sys_sched_rr_get_interval