96e630a009
1998-08-18 Martin Baulig <martin@home-of-linux.org> * sysdeps/linux/procmap.c: Added implementation.
109 lines
2.9 KiB
C
109 lines
2.9 KiB
C
/* $Id$ */
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/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the Gnome Top Library.
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Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
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The Gnome Top Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The Gnome Top Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/xmalloc.h>
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#include <glibtop/procmap.h>
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static const unsigned long _glibtop_sysdeps_proc_map = 0;
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/* Init function. */
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void
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glibtop_init_proc_map_s (glibtop *server)
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{
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server->sysdeps.proc_map = _glibtop_sysdeps_proc_map;
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}
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/* Provides detailed information about a process. */
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glibtop_map_entry *
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glibtop_get_proc_map_s (glibtop *server, glibtop_proc_map *buf, pid_t pid)
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{
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char fn [BUFSIZ];
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glibtop_map_entry *entry_list = NULL;
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int rv, n = 0;
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FILE *maps;
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glibtop_init_s (&server, GLIBTOP_SYSDEPS_PROC_MAP, 0);
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memset (buf, 0, sizeof (glibtop_proc_map));
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sprintf (fn, "/proc/%d/maps", pid);
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maps = fopen (fn, "r");
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if (!maps) return NULL;
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do {
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short dev_major, dev_minor;
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unsigned long start, end, offset, inode;
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char flags [5];
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size_t size;
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rv = fscanf (maps,
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"%08lx-%08lx %4c\n %08lx %02hx:%02hx %ld",
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&start, &end, flags, &offset,
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&dev_major, &dev_minor, &inode);
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flags [4] = 0;
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fn [0] = fgetc (maps);
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/* printf ("fn [0] '%c' %x\n", fn [0], fn [0]); */
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if (fn [0] != '\n' && fn [0] != EOF) {
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fscanf (maps, "%*[ ]%[^\n]\n", fn);
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/* row->filename = glibtop_strdup_r (server, fn); */
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} /* else row->filename = NULL; */
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/* if (rv != EOF)
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printf ("%08lx-%08lx %s\n",
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row->VMstart, row->VMend,
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row->filename); */
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n++;
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size = n * sizeof (glibtop_map_entry);
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entry_list = glibtop_realloc_r (server, entry_list, size);
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entry_list [n-1].start = (u_int64_t) start;
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entry_list [n-1].end = (u_int64_t) end;
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entry_list [n-1].offset = (u_int64_t) offset;
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entry_list [n-1].device = (u_int64_t) (dev_major << 8) +
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(u_int64_t) dev_minor;
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entry_list [n-1].inode = (u_int64_t) inode;
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} while (rv != EOF && rv && fn [0] != EOF);
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/* printf ("allocated: %d\n", i); */
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fclose (maps);
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buf->number = n;
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buf->size = sizeof (glibtop_map_entry);
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buf->total = n * sizeof (glibtop_map_entry);
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return entry_list;
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}
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