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| author |   jturner <jturner@openbsd.org> | 2015-12-23 20:07:36 +0000 |
|---|---|---|
| committer | jturner <jturner@openbsd.org> | 2015-12-23 20:07:36 +0000 |
| commit | 454f2601b89e8c6c8f927b542b09b36ffb6763a8 (patch) | |
| tree | 3aeb7f1535c5a957952029d1542c4f4ecd85a695 /lib/libsqlite3/src/mutex_unix.c | |
| parent | Do undo. (diff) | |
| download | wireguard-openbsd-454f2601b89e8c6c8f927b542b09b36ffb6763a8.tar.xz wireguard-openbsd-454f2601b89e8c6c8f927b542b09b36ffb6763a8.zip | |
Update sqlite3 to 3.9.2. Bump major, regen .pc and header. Changes
available here: http://sqlite.org/changes.html
Tested in bulk by aja@. ok landry@
Diffstat (limited to 'lib/libsqlite3/src/mutex_unix.c')
| -rw-r--r-- | lib/libsqlite3/src/mutex_unix.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/libsqlite3/src/mutex_unix.c b/lib/libsqlite3/src/mutex_unix.c index 0a493fa6a7c..dbdaa225b3e 100644 --- a/lib/libsqlite3/src/mutex_unix.c +++ b/lib/libsqlite3/src/mutex_unix.c @@ -81,6 +81,19 @@ static int pthreadMutexNotheld(sqlite3_mutex *p){ #endif /* +** Try to provide a memory barrier operation, needed for initialization +** and also for the implementation of xShmBarrier in the VFS in cases +** where SQLite is compiled without mutexes. +*/ +void sqlite3MemoryBarrier(void){ +#if defined(SQLITE_MEMORY_BARRIER) + SQLITE_MEMORY_BARRIER; +#elif defined(__GNUC__) && GCC_VERSION>=4001000 + __sync_synchronize(); +#endif +} + +/* ** Initialize and deinitialize the mutex subsystem. */ static int pthreadMutexInit(void){ return SQLITE_OK; } |