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mdbx: add MDBX_EXCLUSIVE instead of mdbx_env_open_ex().

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Change-Id: I3c817d58d971385bcd07643df14beaf7122c7836
This commit is contained in:
Leo Yuriev
2018-06-13 17:02:31 +03:00
parent 09ad941a05
commit 0dfa9cd09a
8 changed files with 69 additions and 46 deletions
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7
mdbx.h
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@@ -288,9 +288,8 @@ typedef int(MDBX_cmp_func)(const MDBX_val *a, const MDBX_val *b);
#define MDBX_MAPASYNC 0x100000u
/* tie reader locktable slots to MDBX_txn objects instead of to threads */
#define MDBX_NOTLS 0x200000u
/* don't do any locking, caller must manage their own locks
* WARNING: libmdbx don't support this mode. */
#define MDBX_NOLOCK__UNSUPPORTED 0x400000u
/* open DB in exclusive/monopolistic mode. */
#define MDBX_EXCLUSIVE 0x400000u
/* don't do readahead */
#define MDBX_NORDAHEAD 0x800000u
/* don't initialize malloc'd memory before writing to datafile */
@@ -670,8 +669,6 @@ LIBMDBX_API int mdbx_env_create(MDBX_env **penv);
* - MDBX_EAGAIN - the environment was locked by another process. */
LIBMDBX_API int mdbx_env_open(MDBX_env *env, const char *path, unsigned flags,
mode_t mode);
LIBMDBX_API int mdbx_env_open_ex(MDBX_env *env, const char *path,
unsigned flags, mode_t mode, int *exclusive);
/* Copy an MDBX environment to the specified path, with options.
*