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/* -*- linux-c -*-
*
* stapio.c - SystemTap module io handler.
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2005-2007 Red Hat, Inc.
*
*/
#include "staprun.h"
#include <pwd.h>
char *__name__ = "stapio";
int main(int argc, char **argv)
{
setup_signals();
parse_args(argc, argv);
if (buffer_size)
dbug(1, "Using a buffer of %u MB.\n", buffer_size);
if (optind < argc) {
parse_modpath(argv[optind++]);
dbug(2, "modpath=\"%s\", modname=\"%s\"\n", modpath, modname);
}
if (optind < argc) {
if (attach_mod) {
err("ERROR: Cannot have module options with attach (-A).\n");
usage(argv[0]);
} else {
unsigned start_idx = 3; /* reserve three slots in modoptions[] */
while (optind < argc && start_idx + 1 < MAXMODOPTIONS)
modoptions[start_idx++] = argv[optind++];
modoptions[start_idx] = NULL;
}
}
if (modpath == NULL || *modpath == '\0') {
err("ERROR: Need a module name or path to load.\n");
usage(argv[0]);
}
if (init_stapio())
exit(1);
if (stp_main_loop()) {
err("ERROR: Couldn't enter main loop. Exiting.\n");
exit(1);
}
return 0;
}
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