1.Dd January 24, 2024 2.Dt SQLITE_MUTEX_FAST 3 3.Os 4.Sh NAME 5.Nm SQLITE_MUTEX_FAST , 6.Nm SQLITE_MUTEX_RECURSIVE , 7.Nm SQLITE_MUTEX_STATIC_MAIN , 8.Nm SQLITE_MUTEX_STATIC_MEM , 9.Nm SQLITE_MUTEX_STATIC_MEM2 , 10.Nm SQLITE_MUTEX_STATIC_OPEN , 11.Nm SQLITE_MUTEX_STATIC_PRNG , 12.Nm SQLITE_MUTEX_STATIC_LRU , 13.Nm SQLITE_MUTEX_STATIC_LRU2 , 14.Nm SQLITE_MUTEX_STATIC_PMEM , 15.Nm SQLITE_MUTEX_STATIC_APP1 , 16.Nm SQLITE_MUTEX_STATIC_APP2 , 17.Nm SQLITE_MUTEX_STATIC_APP3 , 18.Nm SQLITE_MUTEX_STATIC_VFS1 , 19.Nm SQLITE_MUTEX_STATIC_VFS2 , 20.Nm SQLITE_MUTEX_STATIC_VFS3 21.Nd mutex types 22.Sh SYNOPSIS 23.In sqlite3.h 24.Fd #define SQLITE_MUTEX_FAST 25.Fd #define SQLITE_MUTEX_RECURSIVE 26.Fd #define SQLITE_MUTEX_STATIC_MAIN 27.Fd #define SQLITE_MUTEX_STATIC_MEM 28.Fd #define SQLITE_MUTEX_STATIC_MEM2 29.Fd #define SQLITE_MUTEX_STATIC_OPEN 30.Fd #define SQLITE_MUTEX_STATIC_PRNG 31.Fd #define SQLITE_MUTEX_STATIC_LRU 32.Fd #define SQLITE_MUTEX_STATIC_LRU2 33.Fd #define SQLITE_MUTEX_STATIC_PMEM 34.Fd #define SQLITE_MUTEX_STATIC_APP1 35.Fd #define SQLITE_MUTEX_STATIC_APP2 36.Fd #define SQLITE_MUTEX_STATIC_APP3 37.Fd #define SQLITE_MUTEX_STATIC_VFS1 38.Fd #define SQLITE_MUTEX_STATIC_VFS2 39.Fd #define SQLITE_MUTEX_STATIC_VFS3 40.Sh DESCRIPTION 41The 42.Fn sqlite3_mutex_alloc 43interface takes a single argument which is one of these integer constants. 44.Pp 45The set of static mutexes may change from one SQLite release to the 46next. 47Applications that override the built-in mutex logic must be prepared 48to accommodate additional static mutexes. 49.Sh IMPLEMENTATION NOTES 50These declarations were extracted from the 51interface documentation at line 8178. 52.Bd -literal 53#define SQLITE_MUTEX_FAST 0 54#define SQLITE_MUTEX_RECURSIVE 1 55#define SQLITE_MUTEX_STATIC_MAIN 2 56#define SQLITE_MUTEX_STATIC_MEM 3 /* sqlite3_malloc() */ 57#define SQLITE_MUTEX_STATIC_MEM2 4 /* NOT USED */ 58#define SQLITE_MUTEX_STATIC_OPEN 4 /* sqlite3BtreeOpen() */ 59#define SQLITE_MUTEX_STATIC_PRNG 5 /* sqlite3_randomness() */ 60#define SQLITE_MUTEX_STATIC_LRU 6 /* lru page list */ 61#define SQLITE_MUTEX_STATIC_LRU2 7 /* NOT USED */ 62#define SQLITE_MUTEX_STATIC_PMEM 7 /* sqlite3PageMalloc() */ 63#define SQLITE_MUTEX_STATIC_APP1 8 /* For use by application */ 64#define SQLITE_MUTEX_STATIC_APP2 9 /* For use by application */ 65#define SQLITE_MUTEX_STATIC_APP3 10 /* For use by application */ 66#define SQLITE_MUTEX_STATIC_VFS1 11 /* For use by built-in VFS */ 67#define SQLITE_MUTEX_STATIC_VFS2 12 /* For use by extension VFS */ 68#define SQLITE_MUTEX_STATIC_VFS3 13 /* For use by application VFS */ 69.Ed 70.Sh SEE ALSO 71.Xr sqlite3_mutex_alloc 3 72