diff options
Diffstat (limited to 'sys/fs/procfs')
| -rw-r--r-- | sys/fs/procfs/procfs.c | 5 | ||||
| -rw-r--r-- | sys/fs/procfs/procfs.h | 1 | ||||
| -rw-r--r-- | sys/fs/procfs/procfs_osrel.c | 68 |
3 files changed, 73 insertions, 1 deletions
diff --git a/sys/fs/procfs/procfs.c b/sys/fs/procfs/procfs.c index 77d1dc6..8b69eb1 100644 --- a/sys/fs/procfs/procfs.c +++ b/sys/fs/procfs/procfs.c @@ -108,7 +108,8 @@ procfs_attr(PFS_ATTR_ARGS) else if (strcmp(pn->pn_name, "mem") == 0 || strcmp(pn->pn_name, "regs") == 0 || strcmp(pn->pn_name, "dbregs") == 0 || - strcmp(pn->pn_name, "fpregs") == 0) + strcmp(pn->pn_name, "fpregs") == 0 || + strcmp(pn->pn_name, "osrel") == 0) vap->va_mode = 0600; if (p != NULL) { @@ -186,6 +187,8 @@ procfs_init(PFS_INIT_ARGS) NULL, NULL, NULL, PFS_RD); pfs_create_file(dir, "status", procfs_doprocstatus, NULL, NULL, NULL, PFS_RD); + pfs_create_file(dir, "osrel", procfs_doosrel, + procfs_attr, procfs_candebug, NULL, PFS_RDWR); pfs_create_link(dir, "file", procfs_doprocfile, NULL, procfs_notsystem, NULL, 0); diff --git a/sys/fs/procfs/procfs.h b/sys/fs/procfs/procfs.h index 48d4bca..2598224 100644 --- a/sys/fs/procfs/procfs.h +++ b/sys/fs/procfs/procfs.h @@ -39,6 +39,7 @@ #ifdef _KERNEL int procfs_docurproc(PFS_FILL_ARGS); +int procfs_doosrel(PFS_FILL_ARGS); int procfs_doproccmdline(PFS_FILL_ARGS); int procfs_doprocctl(PFS_FILL_ARGS); int procfs_doprocdbregs(PFS_FILL_ARGS); diff --git a/sys/fs/procfs/procfs_osrel.c b/sys/fs/procfs/procfs_osrel.c new file mode 100644 index 0000000..d32bd6d --- /dev/null +++ b/sys/fs/procfs/procfs_osrel.c @@ -0,0 +1,68 @@ +/*- + * Copyright (c) 2009 Konstantin Belousov + * 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. + * 4. 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. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/proc.h> +#include <sys/sbuf.h> +#include <sys/uio.h> + +#include <fs/pseudofs/pseudofs.h> +#include <fs/procfs/procfs.h> + +int +procfs_doosrel(PFS_FILL_ARGS) +{ + const char *pp; + int ov, osrel, i; + + if (uio == NULL) + return (EOPNOTSUPP); + if (uio->uio_rw == UIO_READ) { + sbuf_printf(sb, "%d\n", p->p_osrel); + } else { + sbuf_trim(sb); + sbuf_finish(sb); + pp = sbuf_data(sb); + osrel = 0; + i = sbuf_len(sb); + while (i--) { + if (*pp < '0' || *pp > '9') + return (EINVAL); + ov = osrel * 10 + *pp++ - '0'; + if (ov < osrel) + return (EINVAL); + osrel = ov; + } + p->p_osrel = osrel; + } + return (0); +} |
