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This commit is contained in:
Martin Baulig
1998-05-19 18:19:50 +00:00
commit 33cdc01c1d
249 changed files with 19386 additions and 0 deletions
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lib/open.c Normal file
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/* $Id$ */
/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
This file is part of the Gnome Top Library.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
The Gnome Top Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The Gnome Top Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <glibtop/open.h>
/* Opens pipe to gtop server. Returns 0 on success and -1 on error. */
void
glibtop_open (glibtop *server, const char *program_name)
{
char version [BUFSIZ], buffer [BUFSIZ];
memset (server, 0, sizeof (glibtop));
server->name = program_name;
if (pipe (server->input) || pipe (server->output))
glibtop_error__r (server, _("cannot make a pipe: %s\n"), strerror (errno));
server->pid = fork ();
if (server->pid < 0) {
glibtop_error__r (server, _("%s: fork failed: %s\n"), strerror (errno));
} else if (server->pid == 0) {
close (0); close (1); /* close (2); */
close (server->input [0]); close (server->output [1]);
dup2 (server->input [1], 1); /* dup2 (server->input [1], 2); */
dup2 (server->output [0], 0);
execl (GTOP_SERVER, NULL);
_exit (2);
}
close (server->input [1]);
close (server->output [0]);
sprintf (version, "%s server %s ready.\n", PACKAGE, VERSION);
glibtop_read__r (server, strlen (version), buffer);
if (memcmp (version, buffer, strlen (version)))
glibtop_error__r (server, _("server version is not %s"), VERSION);
}