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28cc5d1ed9
{{{
svn merge -r 19523:19895 https://svn.tokutek.com/tokudb/toku/tokudb.2499d
}}}
.
git-svn-id: file:///svn/toku/tokudb@19902 c7de825b-a66e-492c-adef-691d508d4ae1
36 lines
942 B
C
36 lines
942 B
C
/* -*- mode: C; c-basic-offset: 4 -*- */
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#ident "Copyright (c) 2007-2010 Tokutek Inc. All rights reserved."
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#ifndef XIDS_INTERNAL_H
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#define XIDS_INTERNAL_H
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#if defined(__cplusplus) || defined(__cilkplusplus)
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extern "C" {
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#endif
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// Variable size list of transaction ids (known in design doc as xids<>).
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// ids[0] is the outermost transaction.
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// ids[num_xids - 1] is the innermost transaction.
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// Should only be accessed by accessor functions xids_xxx, not directly.
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// If the xids struct is unpacked, the compiler aligns the ids[] and we waste a lot of space
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#if TOKU_WINDOWS
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#pragma pack(push, 1)
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#endif
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typedef struct __attribute__((__packed__)) xids_t {
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u_int8_t num_stored_xids; // maximum value of MAX_TRANSACTION_RECORDS - 1 ...
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// ... because transaction 0 is implicit
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TXNID ids[];
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} XIDS_S;
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#if TOKU_WINDOWS
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#pragma pack(pop)
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#endif
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#if defined(__cplusplus) || defined(__cilkplusplus)
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};
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#endif
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#endif
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