write.c

linux 操作系统下对系统资源监控程序的编写

/* $Id: write.c,v 1.15 2004/03/04 15:29:12 hadess Exp $ */

/* Copyright (C) 1998-99 Martin Baulig
   This file is part of LibGTop 1.0.

   Contributed by Martin Baulig <[e-mail]>, 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 <config.h>

#include <glibtop/write.h>
#include "libgtop-i18n.h"

/* Writes some data to server. */

void
glibtop_write_l (glibtop *server, size_t size, void *buf)
{
	int ret;

	glibtop_init_r (&server, 0, 0);

	if (size == 0) return;

#ifdef DEBUG
	fprintf (stderr, "LIBRARY: really writing %d bytes.\n", size);
#endif

	if (server->socket) {
		ret = send (server->socket, buf, size, 0);
	} else {
		ret = write (server->output [1], buf, size);
	}

	if (ret < 0)
		glibtop_error_io_r (server, ngettext ("write %d byte", "write %d bytes", size), size);
}