2005-03-10 03:19:04 +00:00
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#include <lladd/transactional.h>
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typedef struct ringBufferLog_s ringBufferLog_t;
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ringBufferLog_t * openLogRingBuffer(size_t size, lsn_t initialOffset);
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void closeLogRingBuffer(ringBufferLog_t * log);
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int ringBufferAppend(ringBufferLog_t * log, byte * dat, size_t size);
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int ringBufferTruncateRead(byte * buf, ringBufferLog_t * log,size_t size);
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2005-03-14 00:25:29 +00:00
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// int writeLogEntry(LogEntry * e); (as implemented by ring buffer, but need to remember size of entry too
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// void syncLog() (block writers until log is empty / call sync log on consumers?)
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// lsn_t flushedLSN return lsn as of last syncLog?
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// int truncateLog(lsn_t) (no-op?)
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// lsn_t firstLogEntry() Unimplemented? Or return first thing in current ring buffer?
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// void closeLogWriter() (syncLog + closeRingBuffer)
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// deleteLogWriter no-op
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// LogEntry* readLSNEntry(lsn_t) if LSN is the next available log entry, return it, else error.
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