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Diffstat (limited to 'libevent/evsignal.h')
-rw-r--r-- | libevent/evsignal.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/libevent/evsignal.h b/libevent/evsignal.h new file mode 100644 index 00000000000..9b0405eea09 --- /dev/null +++ b/libevent/evsignal.h @@ -0,0 +1,54 @@ +/* + * Copyright 2000-2002 Niels Provos <provos@citi.umich.edu> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef _EVSIGNAL_H_ +#define _EVSIGNAL_H_ + +#include <signal.h> + +typedef void (*ev_sighandler_t)(int); + +struct evsignal_info { + struct event ev_signal; + int ev_signal_pair[2]; + int ev_signal_added; + volatile sig_atomic_t evsignal_caught; + struct event_list evsigevents[NSIG]; + sig_atomic_t evsigcaught[NSIG]; +#ifdef HAVE_SIGACTION + struct sigaction **sh_old; +#else + ev_sighandler_t **sh_old; +#endif + int sh_old_max; +}; +int evsignal_init(struct event_base *); +void evsignal_process(struct event_base *); +int evsignal_add(struct event *); +int evsignal_del(struct event *); +void evsignal_dealloc(struct event_base *); + +#endif /* _EVSIGNAL_H_ */ |