97902ce2dd
1998-08-18 Martin Baulig <martin@home-of-linux.org> * LIBGTOP-VERSION: Set version number to 0.25.0. There is now really a feature freeze until it's released, bug fixes only ... * include/glibtop/procmap (glibtop_map_entry): Added `flags' and `filename' fields.
133 lines
3.7 KiB
C
133 lines
3.7 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 =
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(1 << GLIBTOP_PROC_MAP_NUMBER) + (1 << GLIBTOP_PROC_MAP_TOTAL) +
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(1 << GLIBTOP_PROC_MAP_SIZE);
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static const unsigned long _glibtop_sysdeps_map_entry =
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(1 << GLIBTOP_MAP_ENTRY_START) + (1 << GLIBTOP_MAP_ENTRY_END) +
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(1 << GLIBTOP_MAP_ENTRY_OFFSET) + (1 << GLIBTOP_MAP_ENTRY_PERM) +
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(1 << GLIBTOP_MAP_ENTRY_INODE) + (1 << GLIBTOP_MAP_ENTRY_DEVICE) +
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(1 << GLIBTOP_MAP_ENTRY_FILENAME);
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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, perm;
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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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/* Compute access permissions. */
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perm = 0;
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if (flags [0] == 'r')
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perm |= GLIBTOP_MAP_PERM_READ;
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if (flags [1] == 'w')
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perm |= GLIBTOP_MAP_PERM_WRITE;
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if (flags [2] == 'x')
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perm |= GLIBTOP_MAP_PERM_EXECUTE;
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if (flags [3] == 's')
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perm |= GLIBTOP_MAP_PERM_SHARED;
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if (flags [3] == 'p')
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perm |= GLIBTOP_MAP_PERM_PRIVATE;
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/* Read filename. */
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fn [0] = fgetc (maps);
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if (fn [0] != '\n' && fn [0] != EOF) {
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fscanf (maps, "%*[ ]%[^\n]\n", fn);
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} else fn [0] = 0;
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size = (n+1) * sizeof (glibtop_map_entry);
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entry_list = glibtop_realloc_r (server, entry_list, size);
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memset (&(entry_list [n]), 0, sizeof (glibtop_map_entry));
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entry_list [n].flags = _glibtop_sysdeps_map_entry;
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entry_list [n].start = (u_int64_t) start;
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entry_list [n].end = (u_int64_t) end;
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entry_list [n].offset = (u_int64_t) offset;
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entry_list [n].perm = (u_int64_t) perm;
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entry_list [n].device = (u_int64_t) (dev_major << 8) +
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(u_int64_t) dev_minor;
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entry_list [n].inode = (u_int64_t) inode;
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strncpy (entry_list [n].filename, fn, GLIBTOP_MAP_FILENAME_LEN);
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entry_list [n].filename [GLIBTOP_MAP_FILENAME_LEN] = 0;
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n++;
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} while (rv != EOF && rv && fn [0] != EOF);
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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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