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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:53:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:53:30 +0000 |
commit | 2c7cac91ed6e7db0f6937923d2b57f97dbdbc337 (patch) | |
tree | c05dc0f8e6aa3accc84e3e5cffc933ed94941383 /lib/sigevent.h | |
parent | Initial commit. (diff) | |
download | frr-upstream/8.4.4.tar.xz frr-upstream/8.4.4.zip |
Adding upstream version 8.4.4.upstream/8.4.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/sigevent.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/lib/sigevent.h b/lib/sigevent.h new file mode 100644 index 0000000..dd1ee99 --- /dev/null +++ b/lib/sigevent.h @@ -0,0 +1,67 @@ +/* + * Quagga Signal handling header. + * + * Copyright (C) 2004 Paul Jakma. + * + * This file is part of Quagga. + * + * Quagga 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, or (at your option) any + * later version. + * + * Quagga 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; see the file COPYING; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _FRR_SIGNAL_H +#define _FRR_SIGNAL_H + +#include <thread.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#define FRR_SIGNAL_TIMER_INTERVAL 2L + +struct frr_signal_t { + int signal; /* signal number */ + void (*handler)(void); /* handler to call */ + + volatile sig_atomic_t caught; /* private member */ +}; + +/* initialise sigevent system + * takes: + * - pointer to valid struct thread_master + * - number of elements in passed in signals array + * - array of frr_signal_t's describing signals to handle + * and handlers to use for each signal + */ +extern void signal_init(struct thread_master *m, int sigc, + struct frr_signal_t *signals); + + +/* + * Check whether any signals have been received and are pending. This is done + * with the application's key signals blocked. The complete set of signals + * is returned in 'setp', so the caller can restore them when appropriate. + * If there are pending signals, returns 'true', 'false' otherwise. + */ +bool frr_sigevent_check(sigset_t *setp); + +/* check whether there are signals to handle, process any found */ +extern int frr_sigevent_process(void); + +#ifdef __cplusplus +} +#endif + +#endif /* _FRR_SIGNAL_H */ |