74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/* $Id$ */
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/* Copyright (C) 1998-99 Martin Baulig
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This file is part of LibGTop 1.0.
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Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
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LibGTop is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#include <glibtop.h>
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#include <glibtop_private.h>
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/* Read /proc/<pid>/psinfo. */
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int
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glibtop_get_proc_data_psinfo_s (glibtop *server, struct psinfo *psinfo, pid_t pid)
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{
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int fd;
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char buffer [BUFSIZ];
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sprintf (buffer, "/proc/%d/psinfo", (int) pid);
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fd = open (buffer, O_RDONLY);
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if (fd < 0) {
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glibtop_warn_io_r (server, "open (%s)", buffer);
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return -1;
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}
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if (read (fd, psinfo, sizeof (struct psinfo)) != sizeof (struct psinfo)) {
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close (fd);
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glibtop_warn_io_r (server, "read (%s)", buffer);
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return -1;
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}
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close (fd);
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return 0;
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}
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int
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glibtop_get_proc_data_usage_s (glibtop *server, struct prusage *prusage, pid_t pid)
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{
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int fd;
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char buffer [BUFSIZ];
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sprintf (buffer, "/proc/%d/usage", (int) pid);
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fd = open (buffer, O_RDONLY);
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if (fd < 0) {
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glibtop_warn_io_r (server, "open (%s)", buffer);
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return -1;
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}
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if (read (fd, prusage, sizeof (struct prusage)) != sizeof (struct prusage)) {
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close (fd);
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glibtop_warn_io_r (server, "read (%s)", buffer);
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return -1;
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}
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close (fd);
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return 0;
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}
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