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Add MDB_FDATASYNC to allow override to fsync if needed.

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This commit is contained in:
Howard Chu 2011-11-11 12:49:11 -08:00
parent 291c0ce2db
commit 29de655bc4
1 changed files with 8 additions and 1 deletions
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9
libraries/libmdb/mdb.c
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@ -200,6 +200,13 @@
#ifndef MDB_DSYNC
# define MDB_DSYNC O_DSYNC
#endif
#endif
/** Function for flushing the data of a file. Define this to fsync
* if fdatasync() is not supported.
*/
#ifndef MDB_FDATASYNC
# define MDB_FDATASYNC fdatasync
#endif
/** A page number in the database.
@ -1283,7 +1290,7 @@ mdb_env_sync(MDB_env *env, int force)
{
int rc = 0;
if (force || !F_ISSET(env->me_flags, MDB_NOSYNC)) {
if (fdatasync(env->me_fd))
if (MDB_FDATASYNC(env->me_fd))
rc = ErrCode();
}
return rc;