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Overview
| Comment: | Make SQLITE_MFS_NSHARD a compile time setting. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | mutexfree-shmlock |
| Files: | files | file ages | folders |
| SHA3-256: |
b9a741519055a8560ec1d0ab7d0c15ff |
| User & Date: | dan 2018-12-10 16:52:31 |
Context
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2018-12-24
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| 15:15 | Merge latest trunk with this branch. (Leaf check-in: 606b1ead user: dan tags: mutexfree-shmlock) | |
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2018-12-18
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| 19:46 | Add the "mutexfree-shmlock" patch to this branch. (check-in: c3191fc8 user: dan tags: begin-concurrent-pnu-wal2) | |
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2018-12-10
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| 16:53 | Merge latest mutexfree-shmlock changes into this branch. (Leaf check-in: 186b376e user: dan tags: begin-concurrent-pnu-mutexfree-shmlock) | |
| 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) | |
Changes
Changes to src/os_unix.c.
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** plus implementations of sqlite3_os_init() and sqlite3_os_end(). */ #include "sqliteInt.h" #if SQLITE_OS_UNIX /* This file is used on unix only */ /* Turn this feature on in all builds for now */ #define SQLITE_MUTEXFREE_SHMLOCK 1 #define SQLITE_MFS_NSHARD 5 #define SQLITE_MFS_EXCLUSIVE 255 /* ** There are various methods for file locking used for concurrency ** control: ** ** 1. POSIX locking (the default), ** 2. No locking, |
> > | > | > > |
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** plus implementations of sqlite3_os_init() and sqlite3_os_end(). */ #include "sqliteInt.h" #if SQLITE_OS_UNIX /* This file is used on unix only */ /* Turn this feature on in all builds for now */ #define SQLITE_MUTEXFREE_SHMLOCK 1 #define SQLITE_MFS_EXCLUSIVE 255 #ifndef SQLITE_MFS_NSHARD # define SQLITE_MFS_NSHARD 8 #endif #if SQLITE_MFS_NSHARD<1 # error "SQLITE_MFS_NSHARD must be greater than 0" #endif /* ** There are various methods for file locking used for concurrency ** control: ** ** 1. POSIX locking (the default), ** 2. No locking, |