2 * Copyright (c) 1993 Jan-Simon Pendry
4 * The Regents of the University of California. All rights reserved.
6 * This code is derived from software contributed to Berkeley by
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * $FreeBSD: src/sys/miscfs/procfs/procfs_type.c,v 1.6 1999/08/28 00:46:56 peter Exp $
34 * $DragonFly: src/sys/vfs/procfs/procfs_type.c,v 1.5 2007/02/19 01:14:24 corecode Exp $
37 #include <sys/param.h>
38 #include <sys/systm.h>
40 #include <sys/sysent.h>
41 #include <sys/vnode.h>
42 #include <vfs/procfs/procfs.h>
45 procfs_dotype(struct proc
*curp
, struct lwp
*lp
, struct pfsnode
*pfs
,
48 struct proc
*p
= lp
->lwp_proc
;
52 * buffer for emulation type
55 char *none
= "Not Available";
57 if (uio
->uio_rw
!= UIO_READ
)
60 if (uio
->uio_offset
!= 0)
63 if (p
&& p
->p_sysent
&& p
->p_sysent
->sv_name
) {
64 len
= strlen(p
->p_sysent
->sv_name
);
65 bcopy(p
->p_sysent
->sv_name
, mebuffer
, len
);
68 bcopy(none
, mebuffer
, len
);
70 mebuffer
[len
++] = '\n';
71 error
= uiomove(mebuffer
, len
, uio
);
76 procfs_validtype(struct lwp
*lp
)
78 return ((lp
->lwp_proc
->p_flags
& P_SYSTEM
) == 0);