61 lines
2.0 KiB
C
61 lines
2.0 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 Martin Baulig <martin@home-of-linux.org>, April 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/open.h>
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/* Opens pipe to gtop server. Returns 0 on success and -1 on error. */
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void
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glibtop_open (glibtop *server, const char *program_name)
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{
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char version [BUFSIZ], buffer [BUFSIZ];
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memset (server, 0, sizeof (glibtop));
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server->name = program_name;
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if (pipe (server->input) || pipe (server->output))
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glibtop_error__r (server, _("cannot make a pipe: %s\n"), strerror (errno));
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server->pid = fork ();
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if (server->pid < 0) {
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glibtop_error__r (server, _("%s: fork failed: %s\n"), strerror (errno));
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} else if (server->pid == 0) {
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close (0); close (1); /* close (2); */
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close (server->input [0]); close (server->output [1]);
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dup2 (server->input [1], 1); /* dup2 (server->input [1], 2); */
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dup2 (server->output [0], 0);
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execl (GTOP_SERVER, NULL);
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_exit (2);
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}
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close (server->input [1]);
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close (server->output [0]);
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sprintf (version, "%s server %s ready.\n", PACKAGE, VERSION);
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glibtop_read__r (server, strlen (version), buffer);
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if (memcmp (version, buffer, strlen (version)))
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glibtop_error__r (server, _("server version is not %s"), VERSION);
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}
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