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| author | drh <drh@noemail.net> | 2015-09-06 10:31:37 +0000 |
|---|---|---|
| committer | drh <drh@noemail.net> | 2015-09-06 10:31:37 +0000 |
| commit | 2d64034bc2b1d61eea4c75e11af5c5ef15576352 (patch) | |
| tree | 9229933a8abadc1ee0cefe0a297f10134f4e696f /src/mutex_unix.c | |
| parent | 6081c1dbdf7730752bbde89ebb17d01bb30bf8f0 (diff) | |
| download | sqlite-2d64034bc2b1d61eea4c75e11af5c5ef15576352.tar.gz sqlite-2d64034bc2b1d61eea4c75e11af5c5ef15576352.zip | |
Improved memory barrier that should work with MinGW on older versions of
Windows.
FossilOrigin-Name: 47dc24bd1e8f76eb17ba53a883b8984b3e1b2934
Diffstat (limited to 'src/mutex_unix.c')
| -rw-r--r-- | src/mutex_unix.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/src/mutex_unix.c b/src/mutex_unix.c index e181ba5bd..78fba1d81 100644 --- a/src/mutex_unix.c +++ b/src/mutex_unix.c @@ -84,11 +84,10 @@ static int pthreadMutexNotheld(sqlite3_mutex *p){ ** Try to provide a memory barrier operation, needed for initialization only. */ void sqlite3MemoryBarrier(void){ -#if defined(__GNUC__) - __sync_synchronize(); -#endif -#ifdef SQLITE_MEMORY_BARRIER +#if defined(SQLITE_MEMORY_BARRIER) SQLITE_MEMORY_BARRIER; +#elif defined(__GNUC__) + __sync_synchronize(); #endif } |