projects / dragonfly.git / blame
| Commit | Line | Data |
|---|---|---|
| 984263bc MD |
1 | /* |
| 2 | * Copyright (c) 1993 Jan-Simon Pendry | |
| 3 | * Copyright (c) 1993 | |
| 4 | * The Regents of the University of California. All rights reserved. | |
| 5 | * | |
| 6 | * This code is derived from software contributed to Berkeley by | |
| 7 | * Jan-Simon Pendry. | |
| 8 | * | |
| 9 | * Redistribution and use in source and binary forms, with or without | |
| 10 | * modification, are permitted provided that the following conditions | |
| 11 | * are met: | |
| 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. All advertising materials mentioning features or use of this software | |
| 18 | * must display the following acknowledgement: | |
| 19 | * This product includes software developed by the University of | |
| 20 | * California, Berkeley and its contributors. | |
| 21 | * 4. Neither the name of the University nor the names of its contributors | |
| 22 | * may be used to endorse or promote products derived from this software | |
| 23 | * without specific prior written permission. | |
| 24 | * | |
| 25 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 26 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 28 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 30 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 31 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 32 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 33 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 34 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 35 | * SUCH DAMAGE. | |
| 36 | * | |
| 37 | * $FreeBSD: src/sys/miscfs/procfs/procfs_type.c,v 1.6 1999/08/28 00:46:56 peter Exp $ | |
| c7e98b2f | 38 | * $DragonFly: src/sys/vfs/procfs/procfs_type.c,v 1.5 2007/02/19 01:14:24 corecode Exp $ |
| 984263bc MD |
39 | */ |
| 40 | ||
| 41 | #include <sys/param.h> | |
| 42 | #include <sys/systm.h> | |
| 43 | #include <sys/proc.h> | |
| 44 | #include <sys/sysent.h> | |
| 45 | #include <sys/vnode.h> | |
| 1f2de5d4 | 46 | #include <vfs/procfs/procfs.h> |
| 984263bc MD |
47 | |
| 48 | int | |
| c7e98b2f | 49 | procfs_dotype(struct proc *curp, struct lwp *lp, struct pfsnode *pfs, |
| ac424f9b | 50 | struct uio *uio) |
| 984263bc | 51 | { |
| c7e98b2f | 52 | struct proc *p = lp->lwp_proc; |
| 984263bc MD |
53 | int len; |
| 54 | int error; | |
| 55 | /* | |
| 56 | * buffer for emulation type | |
| 57 | */ | |
| 58 | char mebuffer[256]; | |
| 59 | char *none = "Not Available"; | |
| 60 | ||
| 61 | if (uio->uio_rw != UIO_READ) | |
| 62 | return (EOPNOTSUPP); | |
| 63 | ||
| 64 | if (uio->uio_offset != 0) | |
| 65 | return (0); | |
| 66 | ||
| 67 | if (p && p->p_sysent && p->p_sysent->sv_name) { | |
| 68 | len = strlen(p->p_sysent->sv_name); | |
| 69 | bcopy(p->p_sysent->sv_name, mebuffer, len); | |
| 70 | } else { | |
| 71 | len = strlen(none); | |
| 72 | bcopy(none, mebuffer, len); | |
| 73 | } | |
| 74 | mebuffer[len++] = '\n'; | |
| 75 | error = uiomove(mebuffer, len, uio); | |
| 76 | return error; | |
| 77 | } | |
| 78 | ||
| 79 | int | |
| c7e98b2f | 80 | procfs_validtype(struct lwp *lp) |
| 984263bc | 81 | { |
| 4643740a | 82 | return ((lp->lwp_proc->p_flags & P_SYSTEM) == 0); |
| 984263bc | 83 | } |