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Changes On Branch separate-lock-mutex
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Changes In Branch separate-lock-mutex Excluding Merge-Ins

This is equivalent to a diff from 8607b84a to 1c948348

2018-07-26
21:48
In the unix VFS, give every unixInodeInfo object its own mutex, rather than using the global VFS mutex, to improve concurrency in cases where there are many threads operating on separate database files. (check-in: 22f47cf4 user: drh tags: trunk)
2018-07-24
13:57
Add missing SQLITE_OMIT_WINDOWFUNC check to the json1 extension. (check-in: fe19f823 user: mistachkin tags: trunk)
2018-07-23
22:55
Return an SQLITE_NOMEM error if the locking mutex fails to allocate. (Closed-Leaf check-in: 1c948348 user: drh tags: separate-lock-mutex)
21:10
First attempt at reducing mutex contention in the unix VFS by providing a separate mutex for each unixInodeInfo object. (check-in: f69afaf0 user: drh tags: separate-lock-mutex)
18:53
Fix typo of 'SQLITE_OMIT_WINDOWFUNC'. (check-in: 8607b84a user: mistachkin tags: trunk)
18:32
Attempt to improve the documentation for snapshots. No changes to code. (check-in: 46dd076a user: drh tags: trunk)

Changes to src/os_unix.c.