53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
#ifndef _LIGHTTPD_COLLECT_H_
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#define _LIGHTTPD_COLLECT_H_
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#ifndef _LIGHTTPD_BASE_H_
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#error Please include <lighttpd/base.h> instead of this file
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#endif
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/* executes a function in each worker context */
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/** CollectFunc: the type of functions to execute in each workers context
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* - wrk: the current worker
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* - fdata: optional user data
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* the return value will be placed in the GArray
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*/
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typedef gpointer (*CollectFunc)(worker *wrk, gpointer fdata);
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/** CollectCallback: the type of functions to call after a function was called in each workers context
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* - cbdata: optional callback data
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* depending on the data you should only use it when complete == TRUE
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* - fdata : the data the CollectFunc got (this data must be valid until cb is called)
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* - result: the return values
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* - complete: determines if cbdata is still valid
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* if this is FALSE, it may be called from another context than collect_start was called
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*/
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typedef void (*CollectCallback)(gpointer cbdata, gpointer fdata, GPtrArray *result, gboolean complete);
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struct collect_info;
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typedef struct collect_info collect_info;
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/* internal structure */
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struct collect_info {
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worker *wrk;
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gint counter;
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gboolean stopped;
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CollectFunc func;
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gpointer fdata;
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CollectCallback cb;
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gpointer cbdata;
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GPtrArray *results;
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};
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/** collect_start returns NULL if the callback was called directly (e.g. for only one worker and ctx = wrk) */
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LI_API collect_info* collect_start(worker *ctx, CollectFunc func, gpointer fdata, CollectCallback cb, gpointer cbdata);
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LI_API void collect_break(collect_info* ci); /** this will result in complete == FALSE in the callback; call it if cbdata gets invalid */
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/* internal functions */
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LI_API void collect_watcher_cb(struct ev_loop *loop, ev_async *w, int revents);
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#endif
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