125 lines
3.8 KiB
C
125 lines
3.8 KiB
C
/* $Id$ */
|
|
|
|
/* Copyright (C) 1998-99 Martin Baulig
|
|
This file is part of LibGTop 1.0.
|
|
|
|
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
|
|
|
|
LibGTop is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License,
|
|
or (at your option) any later version.
|
|
|
|
LibGTop is distributed in the hope that it will be useful, but WITHOUT
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with LibGTop; see the file COPYING. If not, write to the
|
|
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
|
|
#include <glibtop.h>
|
|
#include <glibtop/error.h>
|
|
#include <glibtop/xmalloc.h>
|
|
#include <glibtop/procmap.h>
|
|
|
|
#include <glibtop_private.h>
|
|
|
|
static const unsigned long _glibtop_sysdeps_proc_map =
|
|
(1 << GLIBTOP_PROC_MAP_NUMBER) + (1 << GLIBTOP_PROC_MAP_TOTAL) +
|
|
(1 << GLIBTOP_PROC_MAP_SIZE);
|
|
|
|
static const unsigned long _glibtop_sysdeps_map_entry =
|
|
(1 << GLIBTOP_MAP_ENTRY_START) + (1 << GLIBTOP_MAP_ENTRY_END) +
|
|
(1 << GLIBTOP_MAP_ENTRY_OFFSET) + (1 << GLIBTOP_MAP_ENTRY_PERM) +
|
|
(1 << GLIBTOP_MAP_ENTRY_INODE) + (1 << GLIBTOP_MAP_ENTRY_DEVICE) +
|
|
(1 << GLIBTOP_MAP_ENTRY_FILENAME);
|
|
|
|
/* Init function. */
|
|
|
|
void
|
|
glibtop_init_proc_map_s (glibtop *server)
|
|
{
|
|
server->sysdeps.proc_map = _glibtop_sysdeps_proc_map;
|
|
}
|
|
|
|
/* Provides detailed information about a process. */
|
|
|
|
glibtop_map_entry *
|
|
glibtop_get_proc_map_s (glibtop *server, glibtop_proc_map *buf, pid_t pid)
|
|
{
|
|
glibtop_map_entry *retval = NULL;
|
|
libgtop_proc_maps_t *maps;
|
|
size_t count, max_len, i;
|
|
int ret;
|
|
|
|
glibtop_init_s (&server, GLIBTOP_SYSDEPS_PROC_MAP, 0);
|
|
|
|
memset (buf, 0, sizeof (glibtop_proc_map));
|
|
|
|
/* Get number of map entries. */
|
|
count = glibtop_get_proc_data_proc_maps_s (server, pid, NULL, 0);
|
|
|
|
/* Allocate memory. */
|
|
maps = glibtop_calloc_r (server, count, sizeof (libgtop_proc_maps_t));
|
|
max_len = count * sizeof (libgtop_proc_maps_t);
|
|
|
|
ret = glibtop_get_proc_data_proc_maps_s (server, pid, maps, max_len);
|
|
if (ret < 0) {
|
|
glibtop_free_r (server, maps);
|
|
return NULL;
|
|
}
|
|
|
|
/* Calculate number of map entries. */
|
|
count = ret / sizeof (libgtop_proc_maps_t);
|
|
|
|
/* Allocate memory for the result. */
|
|
retval = glibtop_calloc_r (server, count, sizeof (glibtop_map_entry));
|
|
|
|
for (i = 0; i < count; i++) {
|
|
char *filename;
|
|
|
|
retval [i].start = maps [i].header.start;
|
|
retval [i].end = maps [i].header.end;
|
|
retval [i].offset = maps [i].header.offset;
|
|
|
|
if (maps [i].header.perm & LIBGTOP_VM_READ)
|
|
retval [i].perm |= GLIBTOP_MAP_PERM_READ;
|
|
if (maps [i].header.perm & LIBGTOP_VM_WRITE)
|
|
retval [i].perm |= GLIBTOP_MAP_PERM_WRITE;
|
|
if (maps [i].header.perm & LIBGTOP_VM_EXEC)
|
|
retval [i].perm |= GLIBTOP_MAP_PERM_EXECUTE;
|
|
if (maps [i].header.perm & LIBGTOP_VM_SHARED)
|
|
retval [i].perm |= GLIBTOP_MAP_PERM_SHARED;
|
|
if (!(maps [i].header.perm & LIBGTOP_VM_MAYSHARE))
|
|
retval [i].perm |= GLIBTOP_MAP_PERM_PRIVATE;
|
|
|
|
retval [i].device = maps [i].header.device;
|
|
retval [i].inode = maps [i].header.inode;
|
|
|
|
filename = maps [i].filename;
|
|
filename += maps [i].header.filename_offset;
|
|
|
|
strncpy (retval [i].filename, filename, GLIBTOP_MAP_FILENAME_LEN);
|
|
retval [i].filename [GLIBTOP_MAP_FILENAME_LEN-1] = '\0';
|
|
|
|
retval [i].flags = _glibtop_sysdeps_map_entry;
|
|
}
|
|
|
|
/* Free map entries. */
|
|
glibtop_free_r (server, maps);
|
|
|
|
/* Write retval. */
|
|
buf->number = count;
|
|
buf->size = sizeof (glibtop_map_entry);
|
|
buf->total = buf->number * sizeof (glibtop_map_entry);
|
|
|
|
buf->flags = _glibtop_sysdeps_proc_map;
|
|
|
|
return retval;
|
|
}
|