Commit 97ed9620 authored by Hallvard Furuseth's avatar Hallvard Furuseth
Browse files

mdb_env_sync(,force=1): Override MDB_MAPASYNC.

With MDB_MAPASYNC, the API provided no way to ensure full sync.
parent b9275c99
......@@ -1523,7 +1523,8 @@ mdb_env_sync(MDB_env *env, int force)
int rc = 0;
if (force || !F_ISSET(env->me_flags, MDB_NOSYNC)) {
if (env->me_flags & MDB_WRITEMAP) {
int flags = (env->me_flags & MDB_MAPASYNC) ? MS_ASYNC : MS_SYNC;
int flags = ((env->me_flags & MDB_MAPASYNC) && !force)
? MS_ASYNC : MS_SYNC;
if (MDB_MSYNC(env->me_map, env->me_mapsize, flags))
rc = ErrCode();
#ifdef _WIN32
......
......@@ -500,9 +500,9 @@ int mdb_env_info(MDB_env *env, MDB_envinfo *stat);
* the OS buffers upon commit as well, unless the environment was
* opened with #MDB_NOSYNC.
* @param[in] env An environment handle returned by #mdb_env_create()
* @param[in] force If non-zero, force the flush to occur. Otherwise
* @param[in] force If non-zero, force a synchronous flush. Otherwise
* if the environment has the #MDB_NOSYNC flag set the flushes
* will be omitted.
* will be omitted, and with #MDB_MAPASYNC they will be asynchronous.
* @return A non-zero error value on failure and 0 on success. Some possible
* errors are:
* <ul>
......
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