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/*
* prfp.c -- process_file() function for lsof library
*/
/*
* Copyright 1997 Purdue Research Foundation, West Lafayette, Indiana
* 47907. All rights reserved.
*
* Written by Victor A. Abell
*
* This software is not subject to any license of the American Telephone
* and Telegraph Company or the Regents of the University of California.
*
* Permission is granted to anyone to use this software for any purpose on
* any computer system, and to alter it and redistribute it freely, subject
* to the following restrictions:
*
* 1. Neither the authors nor Purdue University are responsible for any
* consequences of the use of this software.
*
* 2. The origin of this software must not be misrepresented, either by
* explicit claim or by omission. Credit to the authors and Purdue
* University must appear in documentation and sources.
*
* 3. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 4. This notice may not be removed or altered.
*/
#include "../machine.h"
#if defined(USE_LIB_PROCESS_FILE)
# if !defined(lint)
static char copyright[] =
"@(#) Copyright 1997 Purdue Research Foundation.\nAll rights reserved.\n";
static char *rcsid = "$Id: prfp.c,v 1.12 2006/03/27 22:56:06 abe Exp abe $";
# endif /* !defined(lint) */
#include "../lsof.h"
/*
* process_file() - process file
*/
/*
* The caller may define:
*
* FILEPTR as the name of the location to store a pointer
* to the current file struct -- e.g.,
*
* struct file *foobar;
* #define FILEPTR foobar
*/
void
process_file(fp)
KA_T fp; /* kernel file structure address */
{
struct file f;
int flag;
char tbuf[32];
#if defined(FILEPTR)
/*
* Save file structure address for process_node().
*/
FILEPTR = &f;
#endif /* defined(FILEPTR) */
/*
* Read file structure.
*/
if (kread((KA_T)fp, (char *)&f, sizeof(f))) {
(void) snpf(Namech, Namechl, "can't read file struct from %s",
print_kptr(fp, (char *)NULL, 0));
enter_nm(Namech);
return;
}
Lf->off = (SZOFFTYPE)f.f_offset;
if (f.f_count) {
/*
* Construct access code.
*/
if ((flag = (f.f_flag & (FREAD | FWRITE))) == FREAD)
Lf->access = 'r';
else if (flag == FWRITE)
Lf->access = 'w';
else if (flag == (FREAD | FWRITE))
Lf->access = 'u';
#if defined(HASFSTRUCT)
/*
* Save file structure values.
*/
# if !defined(HASNOFSCOUNT)
if (Fsv & FSV_CT) {
Lf->fct = (long)f.f_count;
Lf->fsv |= FSV_CT;
}
# endif /* !defined(HASNOFSCOUNT) */
# if !defined(HASNOFSADDR)
if (Fsv & FSV_FA) {
Lf->fsa = fp;
Lf->fsv |= FSV_FA;
}
# endif /* !defined(HASNOFSADDR) */
# if !defined(HASNOFSFLAGS)
if (Fsv & FSV_FG) {
Lf->ffg = (long)f.f_flag;
Lf->fsv |= FSV_FG;
}
# endif /* !defined(HASNOFSFLAGS) */
# if !defined(HASNOFSNADDR)
if (Fsv & FSV_NI) {
Lf->fna = (KA_T)f.f_data;
Lf->fsv |= FSV_NI;
}
# endif /* !defined(HASNOFSNADDR) */
#endif /* defined(HASFSTRUCT) */
/*
* Process structure by its type.
*/
switch (f.f_type) {
#if defined(DTYPE_PIPE)
case DTYPE_PIPE:
# if defined(HASPIPEFN)
if (!Selinet)
HASPIPEFN((KA_T)f.f_data);
# endif /* defined(HASPIPEFN) */
return;
#endif /* defined(DTYPE_PIPE) */
#if defined(DTYPE_GNODE)
case DTYPE_GNODE:
#endif /* defined(DTYPE_GNODE) */
#if defined(DTYPE_INODE)
case DTYPE_INODE:
#endif /* defined(DTYPE_INODE) */
#if defined(DTYPE_PORT)
case DTYPE_PORT:
#endif /* defined(DTYPE_PORT) */
#if defined(DTYPE_VNODE)
case DTYPE_VNODE:
#endif /* defined(DTYPE_VNODE) */
#if defined(HASF_VNODE)
process_node((KA_T)f.f_vnode);
#else /* !defined(HASF_VNODE) */
process_node((KA_T)f.f_data);
#endif /* defined(HASF_VNODE) */
return;
case DTYPE_SOCKET:
process_socket((KA_T)f.f_data);
return;
#if defined(HASKQUEUE)
case DTYPE_KQUEUE:
process_kqueue((KA_T)f.f_data);
return;
#endif /* defined(HASKQUEUE) */
#if defined(HASPSXSEM)
case DTYPE_PSXSEM:
process_psxsem((KA_T)f.f_data);
return;
#endif /* defined(HASPSXSEM) */
#if defined(HASPSXSHM)
case DTYPE_PSXSHM:
process_psxshm((KA_T)f.f_data);
return;
#endif /* defined(HASPSXSHM) */
#if defined(HASPRIVFILETYPE)
case PRIVFILETYPE:
HASPRIVFILETYPE((KA_T)f.f_data);
return;
#endif /* defined(HASPRIVFILETYPE) */
default:
if (f.f_type || f.f_ops) {
(void) snpf(Namech, Namechl,
"%s file struct, ty=%#x, op=%s",
print_kptr(fp, tbuf, sizeof(tbuf)), (int)f.f_type,
print_kptr((KA_T)f.f_ops, (char *)NULL, 0));
enter_nm(Namech);
return;
}
}
}
enter_nm("no more information");
}
#else /* !defined(USE_LIB_PROCESS_FILE) */
static char d1[] = "d"; static char *d2 = d1;
#endif /* defined(USE_LIB_PROCESS_FILE) */
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