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setpag.c
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setpag.c
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/*
* Copyright 2000, International Business Machines Corporation and others.
* All Rights Reserved.
*
* This software has been released under the terms of the IBM Public
* License. For details, see the LICENSE file in the top-level source
* directory or online at http://www.openafs.org/dl/license10.html
*
* This file contains the lsetpag system call. (setpag is handled by the
* rmtsys layer and turned into either setpag or a remote call as is
* appropriate.) It is kept separate to allow for the creation of a simple
* shared library containing only setpag.
*/
#include <afsconfig.h>
#include <afs/param.h>
#include <roken.h>
#if !defined(AFS_AIX_ENV) && !defined(AFS_NT40_ENV)
# include <sys/syscall.h>
#endif
#include <afs/afs_args.h>
#include <afs/sys_prototypes.h>
#include "afssyscalls.h"
#ifdef AFS_AIX32_ENV
/*
* in VRMIX, system calls look just like function calls, so we don't
* need to do anything!
*/
#else
#if defined(AFS_SGI_ENV)
#pragma weak xlsetpag = lsetpag
int
lsetpag(void)
{
return (syscall(AFS_SETPAG));
}
#else /* AFS_SGI_ENV */
int
lsetpag(void)
{
int errcode;
#ifdef AFS_LINUX_ENV
int rval;
rval = proc_afs_syscall(AFSCALL_SETPAG,0,0,0,0,&errcode);
if(rval) {
# ifdef AFS_SYSCALL
errcode = syscall(AFS_SYSCALL, AFSCALL_SETPAG);
# else
errcode = -1;
# endif
}
#elif defined(AFS_DARWIN80_ENV)
int rval;
rval = ioctl_afs_syscall(AFSCALL_SETPAG,0,0,0,0,0,0,&errcode);
if (rval) {
errcode = rval;
}
#elif defined(AFS_SUN511_ENV)
int rval;
rval = ioctl_sun_afs_syscall(AFSCALL_SETPAG,0,0,0,0,0,0,&errcode);
if (rval) {
errcode = rval;
}
#else
errcode = syscall(AFS_SYSCALL, AFSCALL_SETPAG);
#endif
return (errcode);
}
#endif /* !AFS_SGI_ENV */
#endif /* !AFS_AIX32_ENV */