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mdbx: rework mdbx_read_header().

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This commit is contained in:
Leo Yuriev
2017-04-27 15:17:30 +03:00
parent fd078ee163
commit 40dee6f05f
2 changed files with 38 additions and 26 deletions
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6
src/bits.h
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@@ -278,8 +278,10 @@ typedef struct MDB_meta {
#define MDB_DATASIGN_NONE 0u
#define MDB_DATASIGN_WEAK 1u
volatile uint64_t mm_datasync_sign;
#define META_IS_WEAK(meta) ((meta)->mm_datasync_sign == MDB_DATASIGN_WEAK)
#define META_IS_STEADY(meta) ((meta)->mm_datasync_sign > MDB_DATASIGN_WEAK)
#define SIGN_IS_WEAK(sign) ((sign) == MDB_DATASIGN_WEAK)
#define SIGN_IS_STEADY(sign) ((sign) > MDB_DATASIGN_WEAK)
#define META_IS_WEAK(meta) SIGN_IS_WEAK((meta)->mm_datasync_sign)
#define META_IS_STEADY(meta) SIGN_IS_STEADY((meta)->mm_datasync_sign)
volatile mdbx_canary mm_canary;
} MDB_meta;