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ITS#7209 Default MDB_DSYNC = O_SYNC if no O_DSYNC

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Hallvard Furuseth 2015-11-17 18:22:25 +01:00
parent f6b7277e9a
commit 2a839d5dfa
1 changed files with 4 additions and 1 deletions
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5
libraries/liblmdb/mdb.c
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@ -403,10 +403,13 @@ static int mdb_mutex_failed(MDB_env *env, mdb_mutexref_t mutex, int rc);
* *
* @note If O_DSYNC is undefined but exists in /usr/include, * @note If O_DSYNC is undefined but exists in /usr/include,
* preferably set some compiler flag to get the definition. * preferably set some compiler flag to get the definition.
* Otherwise compile with the less efficient -DMDB_DSYNC=O_SYNC.
*/ */
#ifndef MDB_DSYNC #ifndef MDB_DSYNC
# ifdef O_DSYNC
# define MDB_DSYNC O_DSYNC # define MDB_DSYNC O_DSYNC
# else
# define MDB_DSYNC O_SYNC
# endif
#endif #endif
#endif #endif