/* * Copyright (c) 1993 Jan-Simon Pendry * Copyright (c) 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Jan-Simon Pendry. * * 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. Neither the name of the University 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 REGENTS 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 REGENTS 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. * * $FreeBSD: src/sys/miscfs/procfs/procfs_type.c,v 1.6 1999/08/28 00:46:56 peter Exp $ */ #include #include #include #include #include #include #include int procfs_dotype(struct proc *curp, struct lwp *lp, struct pfsnode *pfs, struct uio *uio) { struct proc *p = lp->lwp_proc; int len; int error; /* * buffer for emulation type */ char mebuffer[256]; char *none = "Not Available"; if (uio->uio_rw != UIO_READ) return (EOPNOTSUPP); if (uio->uio_offset != 0) return (0); if (p && p->p_sysent && p->p_sysent->sv_name) { len = strlen(p->p_sysent->sv_name); bcopy(p->p_sysent->sv_name, mebuffer, len); } else { len = strlen(none); bcopy(none, mebuffer, len); } mebuffer[len++] = '\n'; error = uiomove(mebuffer, len, uio); return error; } int procfs_validtype(struct lwp *lp) { return ((lp->lwp_proc->p_flags & P_SYSTEM) == 0); }