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#ifndef RSPAMD_EVENTS_H
#define RSPAMD_EVENTS_H
#include "config.h"
#include "mem_pool.h"
struct rspamd_async_event;
typedef void (*event_finalizer_t)(void *user_data);
typedef gboolean (*session_finalizer_t)(void *user_data);
struct rspamd_async_event {
GQuark subsystem;
event_finalizer_t fin;
void *user_data;
guint ref;
};
struct rspamd_async_session {
session_finalizer_t fin;
event_finalizer_t restore;
event_finalizer_t cleanup;
GHashTable *events;
void *user_data;
rspamd_mempool_t *pool;
gboolean wanna_die;
guint threads;
GMutex *mtx;
GCond *cond;
};
/**
* Make new async session
* @param pool pool to alloc memory from
* @param fin a callback called when no events are found in session
* @param restore a callback is called to restore processing of session
* @param cleanup a callback called when session is forcefully destroyed
* @param user_data abstract user data
* @return
*/
struct rspamd_async_session * new_async_session (rspamd_mempool_t *pool,
session_finalizer_t fin, event_finalizer_t restore,
event_finalizer_t cleanup, void *user_data);
/**
* Insert new event to the session
* @param session session object
* @param fin finalizer callback
* @param user_data abstract user_data
* @param forced unused
*/
void register_async_event (struct rspamd_async_session *session,
event_finalizer_t fin, void *user_data, GQuark subsystem);
/**
* Remove normal event
* @param session session object
* @param fin final callback
* @param ud user data object
*/
void remove_normal_event (struct rspamd_async_session *session,
event_finalizer_t fin,
void *ud);
/**
* Must be called at the end of session, it calls fin functions for all non-forced callbacks
* @return true if the whole session was destroyed and false if there are forced events
*/
gboolean destroy_session (struct rspamd_async_session *session);
/**
* Check session for events pending and call fin callback if no events are pending
* @param session session object
* @return TRUE if session has pending events
*/
gboolean check_session_pending (struct rspamd_async_session *session);
/**
* Add new async thread to session
* @param session session object
*/
void register_async_thread (struct rspamd_async_session *session);
/**
* Remove async thread from session and check whether session can be terminated
* @param session session object
*/
void remove_async_thread (struct rspamd_async_session *session);
#endif /* RSPAMD_EVENTS_H */
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