/* -*- 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, see <http://www.gnu.org/licenses/>.
*
* Copyright (C) 2005-2012 Red Hat, Inc.
*
*/
#include "staprun.h"
#include <pwd.h>
char *__name__ = "stapio";
int main(int argc, char **argv)
{
#if ENABLE_NLS
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
#endif
setup_signals();
parse_args(argc, argv);
/* If we inherited a relay_basedir_fd, we want to keep it to ourselves -
i.e., FD_CLOEXEC the bad boy. */
if (relay_basedir_fd >= 0) {
int rc = set_clexec(relay_basedir_fd);
if (rc)
exit(-1);
}
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(_("Cannot have module options with attach (-A).\n"));
usage(argv[0],1);
} 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(_("Need a module name or path to load.\n"));
usage(argv[0],1);
}
if (init_stapio())
exit(1);
if (stp_main_loop()) {
err(_("Couldn't enter main loop. Exiting.\n"));
exit(1);
}
return 0;
}