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/* -----------------------------------------------------------------------------
*
* (c) The GHC Team, 2008-2017
*
* Support for fast binary event logging.
*
* Do not #include this file directly: #include "Rts.h" instead.
*
* To understand the structure of the RTS headers, see the wiki:
* https://gitlab.haskell.org/ghc/ghc/wikis/commentary/source-tree/includes
*
* ---------------------------------------------------------------------------*/
#pragma once
#include <stddef.h>
#include <stdbool.h>
/*
* Abstraction for writing eventlog data.
*/
typedef struct {
// Initialize an EventLogWriter (may be NULL)
void (* initEventLogWriter) (void);
// Write a series of events
bool (* writeEventLog) (void *eventlog, size_t eventlog_size);
// Flush possibly existing buffers (may be NULL)
void (* flushEventLog) (void);
// Close an initialized EventLogOutput (may be NULL)
void (* stopEventLogWriter) (void);
} EventLogWriter;
/*
* An EventLogWriter which writes eventlogs to
* a file `program.eventlog`.
*/
extern const EventLogWriter FileEventLogWriter;
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