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da867d4d68
git-svn-id: http://svn.irssi.org/repos/irssi/trunk@2730 dbcabf3a-b0e7-0310-adc4-f8d773084564
77 lines
3.0 KiB
C
77 lines
3.0 KiB
C
#ifndef __SIGNAL_H
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#define __SIGNAL_H
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#define SIGNAL_PRIORITY_LOW 100
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#define SIGNAL_PRIORITY_DEFAULT 0
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#define SIGNAL_PRIORITY_HIGH -100
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#define SIGNAL_MAX_ARGUMENTS 6
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typedef void (*SIGNAL_FUNC) (const void *, const void *,
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const void *, const void *,
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const void *, const void *);
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extern void *signal_user_data; /* use signal_get_user_data() macro to access */
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/* bind a signal */
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void signal_add_full(const char *module, int priority,
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const char *signal, SIGNAL_FUNC func, void *user_data);
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void signal_add_full_id(const char *module, int priority,
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int signal, SIGNAL_FUNC func, void *user_data);
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#define signal_add(signal, func) \
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signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_DEFAULT, (signal), (SIGNAL_FUNC) (func), NULL)
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#define signal_add_first(signal, func) \
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signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_HIGH, (signal), (SIGNAL_FUNC) (func), NULL)
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#define signal_add_last(signal, func) \
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signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_LOW, (signal), (SIGNAL_FUNC) (func), NULL)
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#define signal_add_data(signal, func, data) \
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signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_DEFAULT, (signal), (SIGNAL_FUNC) (func), data)
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#define signal_add_first_data(signal, func, data) \
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signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_HIGH, (signal), (SIGNAL_FUNC) (func), data)
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#define signal_add_last_data(signal, func, data) \
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signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_LOW, (signal), (SIGNAL_FUNC) (func), data)
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/* unbind signal */
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void signal_remove_full(const char *signal, SIGNAL_FUNC func, void *user_data);
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#define signal_remove(signal, func) \
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signal_remove_full((signal), (SIGNAL_FUNC) (func), NULL)
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#define signal_remove_data(signal, func, data) \
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signal_remove_full((signal), (SIGNAL_FUNC) (func), data)
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void signal_remove_id(int signal_id, SIGNAL_FUNC func, void *user_data);
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/* emit signal */
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int signal_emit(const char *signal, int params, ...);
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int signal_emit_id(int signal_id, int params, ...);
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/* continue currently emitted signal with different parameters */
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void signal_continue(int params, ...);
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/* stop the current ongoing signal emission */
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void signal_stop(void);
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/* stop ongoing signal emission by signal name */
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void signal_stop_by_name(const char *signal);
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/* return the name of the signal that is currently being emitted */
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const char *signal_get_emitted(void);
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/* return the ID of the signal that is currently being emitted */
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int signal_get_emitted_id(void);
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/* return TRUE if specified signal was stopped */
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int signal_is_stopped(int signal_id);
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/* return the user data of the signal function currently being emitted */
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#define signal_get_user_data() signal_user_data
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/* remove all signals that belong to `module' */
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void signals_remove_module(const char *module);
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/* signal name -> ID */
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#define signal_get_uniq_id(signal) \
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module_get_uniq_id_str("signals", signal)
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/* signal ID -> name */
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#define signal_get_id_str(signal_id) \
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module_find_id_str("signals", signal_id)
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void signals_init(void);
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void signals_deinit(void);
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#endif
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