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#ifndef _LIGHTTPD_COLLECT_H_
#define _LIGHTTPD_COLLECT_H_
#ifndef _LIGHTTPD_BASE_H_
#error Please include <lighttpd/base.h> instead of this file
#endif
/* executes a function in each worker context */
/** CollectFunc: the type of functions to execute in each workers context
* - wrk: the current worker
* - fdata: optional user data
* the return value will be placed in the GArray
*/
typedef gpointer (*liCollectFuncCB)(liWorker *wrk, gpointer fdata);
/** CollectCallback: the type of functions to call after a function was called in each workers context
* - cbdata: optional callback data
* depending on the data you should only use it when complete == TRUE
* - fdata : the data the CollectFunc got (this data must be valid until cb is called)
* - result: the return values
* - complete: determines if cbdata is still valid
* if this is FALSE, it may be called from another context than li_collect_start was called
*/
typedef void (*liCollectCB)(gpointer cbdata, gpointer fdata, GPtrArray *result, gboolean complete);
typedef struct liCollectInfo liCollectInfo;
/** li_collect_start returns NULL if the callback was called directly (e.g. for only one worker and ctx = wrk) */
LI_API liCollectInfo* li_collect_start(liWorker *ctx, liCollectFuncCB func, gpointer fdata, liCollectCB cb, gpointer cbdata);
/** li_collect_start_global uses srv->main_worker to call cb(), and never returns direclty */
LI_API liCollectInfo* li_collect_start_global(liServer *srv, liCollectFuncCB func, gpointer fdata, liCollectCB cb, gpointer cbdata);
LI_API void li_collect_break(liCollectInfo* ci); /** this will result in complete == FALSE in the callback; call it if cbdata gets invalid */
/* internal functions */
LI_API void li_collect_watcher_cb(liEventBase *watcher, int events);
#endif