database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-08-05 15:55:57 +03:00
Code Activity

Attempt to clarify the operation of the xLock and xUnlock VFS I/O methods.

Browse Source 
Assert() statements added to prove that they behave as the documentation says.

FossilOrigin-Name: 3efa811251d4510a074231a1e0b667783cc5f90777466b9dcae675cd9892b423
This commit is contained in:
drh
2022-10-04 14:50:46 +00:00
parent a4b2f41938
commit 2eca06141f
4 changed files with 31 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/os.c
View File

@@ -106,9 +106,11 @@ int sqlite3OsFileSize(sqlite3_file *id, i64 *pSize){
}
int sqlite3OsLock(sqlite3_file *id, int lockType){
DO_OS_MALLOC_TEST(id);
assert( lockType>=SQLITE_LOCK_SHARED && lockType<=SQLITE_LOCK_EXCLUSIVE );
return id->pMethods->xLock(id, lockType);
}
int sqlite3OsUnlock(sqlite3_file *id, int lockType){
assert( lockType==SQLITE_LOCK_NONE || lockType==SQLITE_LOCK_SHARED );
return id->pMethods->xUnlock(id, lockType);
}
int sqlite3OsCheckReservedLock(sqlite3_file *id, int *pResOut){