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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

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Overview
Comment:Instead of extra locks, use F_GETLK to ensure that readonly_shm clients cannot connect to a wal-mode database if there are no writers.
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Timelines: family | ancestors | descendants | both | readonly-wal-recovery
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SHA3-256: 5492f457dc7cc5c416de4b4e61e84bd2f10b4e6ce54011b7a60feb47f629c923
User & Date: dan 2017-10-26 17:05:22
Context
2017-10-26
17:34
Fix an error in the previous commit on this branch. check-in: f71dfee0 user: dan tags: readonly-wal-recovery
17:05
Instead of extra locks, use F_GETLK to ensure that readonly_shm clients cannot connect to a wal-mode database if there are no writers. check-in: 5492f457 user: dan tags: readonly-wal-recovery
2017-10-25
23:28
Use extra locks to prevent a readonly_shm=1 process from connecting to a WAL-mode database if there are no writers. check-in: 35d97908 user: drh tags: readonly-wal-recovery
Changes
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Changes to src/os_unix.c.