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7 check-ins using file src/main.c version 156076e2

2018-12-10
16:52
Make SQLITE_MFS_NSHARD a compile time setting. (check-in: b9a74151 user: dan tags: mutexfree-shmlock)
15:51
Add extra tests to shmlock.test (direct testing of xShmLock methods). (check-in: d2c785f9 user: dan tags: mutexfree-shmlock)
15:24
Rework the SQLITE_MUTEXFREE_SHMLOCK code to reduce contention. (check-in: d9157dd1 user: dan tags: mutexfree-shmlock)
09:45
Avoid a mutex in-and-out in unixShmBarrier() on this branch. Use __sync_synchronize() instead. (check-in: a8c5fd86 user: dan tags: mutexfree-shmlock)
2018-12-06
18:58
Experiment with using an atomic CPU primitive instead of a mutex for intra-process locking with the unix-excl VFS. (check-in: 8f4cb9dd user: dan tags: mutexfree-shmlock)
16:11
Issue a warning whenever a double-quoted string literal is used. (check-in: ac9ad504 user: drh tags: trunk)
03:59
Invoking the sqlite3_trace() or sqlite3_trace_v2() interfaces cancels any sqlite3_profile() that is running. (check-in: ec63d350 user: drh tags: trunk)