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mdbx: add C_GCFREEZE cursor's flag.

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Change-Id: I813a2c2ac30564d8943f0cf50a601b858dda0bd9
This commit is contained in:
Leo Yuriev
2018-08-26 11:04:45 +03:00
parent f373a0ca84
commit 8966a1773c
2 changed files with 17 additions and 8 deletions
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4
src/bits.h
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@@ -670,6 +670,7 @@ struct MDBX_cursor {
#define C_DEL 0x08 /* last op was a cursor_del */
#define C_UNTRACK 0x40 /* Un-track cursor when closing */
#define C_RECLAIMING 0x80 /* FreeDB lookup is prohibited */
#define C_GCFREEZE 0x100 /* me_reclaimed_pglist must not be updated */
unsigned mc_flags; /* see mdbx_cursor */
MDBX_page *mc_pg[CURSOR_STACK]; /* stack of pushed pages */
indx_t mc_ki[CURSOR_STACK]; /* stack of page indices */
@@ -1274,3 +1275,6 @@ static __inline size_t pgno_align2os_bytes(const MDBX_env *env, pgno_t pgno) {
static __inline pgno_t pgno_align2os_pgno(const MDBX_env *env, pgno_t pgno) {
return bytes2pgno(env, pgno_align2os_bytes(env, pgno));
}
/* Do not spill pages to disk if txn is getting full, may fail instead */
#define MDBX_NOSPILL 0x8000