author | Tero Marttila <terom@fixme.fi> |
Thu, 12 Mar 2009 23:54:03 +0200 | |
changeset 48 | 4841f4398fd2 |
child 70 | a9a4c5e6aa30 |
permissions | -rw-r--r-- |
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#ifndef SIGNALS_H |
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#define SIGNALS_H |
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/** |
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* @file |
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* |
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* Handle signals in a libevent way |
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*/ |
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#include "error.h" |
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#include <event2/event.h> |
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/** |
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* How many signals we can define actions for |
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*/ |
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#define MAX_SIGNALS 8 |
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/** |
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* State for a set of signals |
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*/ |
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struct signals; |
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/** |
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* Used as a handler for signals that should cause a loopexit. |
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*/ |
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void signals_loopexit (int signal, short event, void *arg); |
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/** |
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* Used to receive signals, but discard them, and continue what we were doing. |
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*/ |
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void signals_ignore (int signal, short event, void *arg); |
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/** |
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* Allocate a signals struct, acting on the given ev_base. |
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* |
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* Returns NULL on failure |
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*/ |
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err_t signals_create (struct signals **signals_ptr, struct event_base *ev_base); |
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/* |
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* Add a signal to be handled by the given signals struct with the given handler. |
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*/ |
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err_t signals_add (struct signals *signals, int sigval, void (*sig_handler)(evutil_socket_t, short, void *), void *arg); |
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/* |
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* Add a set of default signals |
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* SIGPIPE signals_ignore |
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* SIGINT signals_loopexit |
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*/ |
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struct signals *signals_default (struct event_base *ev_base); |
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/* |
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* Free the resources/handlers associated with the given signal handler |
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*/ |
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void signals_free (struct signals *signals); |
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#endif /* LIB_SIGNAL_H */ |