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Fix a problem in the previous commit. Both unixShm.lockState and unixShm.readLock should be set to READ when downgrading from a WRITE to a READ lock

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FossilOrigin-Name: 90119fecbce06c8db82194dfd9d5045be29b1cda
This commit is contained in:
dan
2010-04-30 16:41:53 +00:00
parent 78daa5a7d9
commit 43a56b812c
3 changed files with 8 additions and 8 deletions
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src/os_unix.c
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@@ -5242,7 +5242,7 @@ static int unixShmLock(
}else if( p->lockState==SQLITE_SHM_WRITE ){
rc = unixShmSharedLock(pFile, p, UNIX_SHM_A);
unixShmUnlock(pFile, p, UNIX_SHM_C|UNIX_SHM_D);
p->lockState = SQLITE_SHM_READ;
p->lockState = p->readLock = SQLITE_SHM_READ;
}else{
assert( p->lockState==SQLITE_SHM_RECOVER );
unixShmUnlock(pFile, p, UNIX_SHM_MUTEX);