diff options
Diffstat (limited to 'openbsc/src/signal.c')
-rw-r--r-- | openbsc/src/signal.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/openbsc/src/signal.c b/openbsc/src/signal.c deleted file mode 100644 index e04cadf73..000000000 --- a/openbsc/src/signal.c +++ /dev/null @@ -1,83 +0,0 @@ -/* Generic signalling/notification infrastructure */ -/* (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org> - * All Rights Reserved - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#include <openbsc/signal.h> -#include <openbsc/talloc.h> -#include <stdlib.h> -#include <string.h> - - -void *tall_sigh_ctx; -static LLIST_HEAD(signal_handler_list); - -struct signal_handler { - struct llist_head entry; - unsigned int subsys; - signal_cbfn *cbfn; - void *data; -}; - - -int register_signal_handler(unsigned int subsys, signal_cbfn *cbfn, void *data) -{ - struct signal_handler *sig_data; - - sig_data = talloc(tall_sigh_ctx, struct signal_handler); - if (!sig_data) - return -ENOMEM; - - memset(sig_data, 0, sizeof(*sig_data)); - - sig_data->subsys = subsys; - sig_data->data = data; - sig_data->cbfn = cbfn; - - /* FIXME: check if we already have a handler for this subsys/cbfn/data */ - - llist_add_tail(&sig_data->entry, &signal_handler_list); - - return 0; -} - -void unregister_signal_handler(unsigned int subsys, signal_cbfn *cbfn, void *data) -{ - struct signal_handler *handler; - - llist_for_each_entry(handler, &signal_handler_list, entry) { - if (handler->cbfn == cbfn && handler->data == data - && subsys == handler->subsys) { - llist_del(&handler->entry); - talloc_free(handler); - break; - } - } -} - - -void dispatch_signal(unsigned int subsys, unsigned int signal, void *signal_data) -{ - struct signal_handler *handler; - - llist_for_each_entry(handler, &signal_handler_list, entry) { - if (handler->subsys != subsys) - continue; - (*handler->cbfn)(subsys, signal, handler->data, signal_data); - } -} |