go/sqlite3
1
0
Fork 0
mirror of https://github.com/ncruces/go-sqlite3.git synced 2026-01-12 14:09:13 +00:00
Code Issues Packages Projects Releases Wiki Activity

Remove noop locker.

Browse Source
This commit is contained in:
Nuno Cruces
2023-01-26 12:23:31 +00:00
parent 606163010a
commit 7f6213fbdb
4 changed files with 47 additions and 147 deletions
Download Patch File Download Diff File Expand all files Collapse all files

104
.github/coverage.html vendored
View File

@@ -71,9 +71,7 @@
<option value="file7">github.com/ncruces/go-sqlite3/vfs_lock.go (51.6%)</option>
<option value="file8">github.com/ncruces/go-sqlite3/vfs_lock_noop.go (0.0%)</option>
<option value="file9">github.com/ncruces/go-sqlite3/vfs_unix.go (54.3%)</option>
<option value="file8">github.com/ncruces/go-sqlite3/vfs_unix.go (53.6%)</option>
</select>
</div>
@@ -1465,76 +1463,6 @@ func vfsCheckReservedLock(ctx context.Context, mod api.Module, pFile, pResOut ui
<pre class="file" id="file8" style="display: none">package sqlite3
type vfsNoopLocker struct {
state vfsLockState
}
var _ vfsLocker = &amp;vfsNoopLocker{}
func (l *vfsNoopLocker) LockState() vfsLockState <span class="cov0" title="0">{
return l.state
}</span>
func (l *vfsNoopLocker) LockShared() xErrorCode <span class="cov0" title="0">{
if assert &amp;&amp; !(l.state == _NO_LOCK) </span><span class="cov0" title="0">{
panic(assertErr + " [wz9dcw]")</span>
}
<span class="cov0" title="0">l.state = _SHARED_LOCK
return _OK</span>
}
func (l *vfsNoopLocker) LockReserved() xErrorCode <span class="cov0" title="0">{
if assert &amp;&amp; !(l.state == _SHARED_LOCK) </span><span class="cov0" title="0">{
panic(assertErr + " [m9hcil]")</span>
}
<span class="cov0" title="0">l.state = _RESERVED_LOCK
return _OK</span>
}
func (l *vfsNoopLocker) LockPending() xErrorCode <span class="cov0" title="0">{
if assert &amp;&amp; !(l.state == _SHARED_LOCK || l.state == _RESERVED_LOCK) </span><span class="cov0" title="0">{
panic(assertErr + " [wx8nk2]")</span>
}
<span class="cov0" title="0">l.state = _PENDING_LOCK
return _OK</span>
}
func (l *vfsNoopLocker) LockExclusive() xErrorCode <span class="cov0" title="0">{
if assert &amp;&amp; !(l.state == _PENDING_LOCK) </span><span class="cov0" title="0">{
panic(assertErr + " [84nbax]")</span>
}
<span class="cov0" title="0">l.state = _EXCLUSIVE_LOCK
return _OK</span>
}
func (l *vfsNoopLocker) DowngradeLock() xErrorCode <span class="cov0" title="0">{
if assert &amp;&amp; !(l.state &gt; _SHARED_LOCK) </span><span class="cov0" title="0">{
panic(assertErr + " [je31i3]")</span>
}
<span class="cov0" title="0">l.state = _SHARED_LOCK
return _OK</span>
}
func (l *vfsNoopLocker) Unlock() xErrorCode <span class="cov0" title="0">{
if assert &amp;&amp; !(l.state &gt; _NO_LOCK) </span><span class="cov0" title="0">{
panic(assertErr + " [m6e9w5]")</span>
}
<span class="cov0" title="0">l.state = _NO_LOCK
return _OK</span>
}
func (l *vfsNoopLocker) CheckReservedLock() (bool, xErrorCode) <span class="cov0" title="0">{
if l.state &gt;= _RESERVED_LOCK </span><span class="cov0" title="0">{
return true, _OK
}</span>
<span class="cov0" title="0">return false, _OK</span>
}
</pre>
<pre class="file" id="file9" style="display: none">//go:build unix
package sqlite3
import (
"os"
"runtime"
@@ -1550,8 +1478,12 @@ func (l *vfsFileLocker) LockState() vfsLockState <span class="cov8" title="1">{
}</span>
func (l *vfsFileLocker) LockShared() xErrorCode <span class="cov8" title="1">{
if assert &amp;&amp; !(l.state == _NO_LOCK) </span><span class="cov0" title="0">{
panic(assertErr + " [wz9dcw]")</span>
}
// A PENDING lock is needed before acquiring a SHARED lock.
if !l.fcntlSetLock(&amp;syscall.Flock_t{
<span class="cov8" title="1">if !l.fcntlSetLock(&amp;syscall.Flock_t{
Type: syscall.F_RDLCK,
Start: _PENDING_BYTE,
Len: 1,
@@ -1582,8 +1514,12 @@ func (l *vfsFileLocker) LockShared() xErrorCode <span class="cov8" title="1">{
}
func (l *vfsFileLocker) LockReserved() xErrorCode <span class="cov8" title="1">{
if assert &amp;&amp; !(l.state == _SHARED_LOCK) </span><span class="cov0" title="0">{
panic(assertErr + " [m9hcil]")</span>
}
// Acquire the RESERVED lock.
if !l.fcntlSetLock(&amp;syscall.Flock_t{
<span class="cov8" title="1">if !l.fcntlSetLock(&amp;syscall.Flock_t{
Type: syscall.F_WRLCK,
Start: _RESERVED_BYTE,
Len: 1,
@@ -1595,8 +1531,12 @@ func (l *vfsFileLocker) LockReserved() xErrorCode <span class="cov8" title="1">{
}
func (l *vfsFileLocker) LockPending() xErrorCode <span class="cov8" title="1">{
if assert &amp;&amp; !(l.state == _SHARED_LOCK || l.state == _RESERVED_LOCK) </span><span class="cov0" title="0">{
panic(assertErr + " [wx8nk2]")</span>
}
// Acquire the PENDING lock.
if !l.fcntlSetLock(&amp;syscall.Flock_t{
<span class="cov8" title="1">if !l.fcntlSetLock(&amp;syscall.Flock_t{
Type: syscall.F_WRLCK,
Start: _PENDING_BYTE,
Len: 1,
@@ -1608,8 +1548,12 @@ func (l *vfsFileLocker) LockPending() xErrorCode <span class="cov8" title="1">{
}
func (l *vfsFileLocker) LockExclusive() xErrorCode <span class="cov8" title="1">{
if assert &amp;&amp; !(l.state == _PENDING_LOCK) </span><span class="cov0" title="0">{
panic(assertErr + " [84nbax]")</span>
}
// Acquire the EXCLUSIVE lock.
if !l.fcntlSetLock(&amp;syscall.Flock_t{
<span class="cov8" title="1">if !l.fcntlSetLock(&amp;syscall.Flock_t{
Type: syscall.F_WRLCK,
Start: _SHARED_FIRST,
Len: _SHARED_SIZE,
@@ -1621,8 +1565,12 @@ func (l *vfsFileLocker) LockExclusive() xErrorCode <span class="cov8" title="1">
}
func (l *vfsFileLocker) DowngradeLock() xErrorCode <span class="cov8" title="1">{
if assert &amp;&amp; !(l.state &gt; _SHARED_LOCK) </span><span class="cov0" title="0">{
panic(assertErr + " [je31i3]")</span>
}
// Downgrade to a SHARED lock.
if !l.fcntlSetLock(&amp;syscall.Flock_t{
<span class="cov8" title="1">if !l.fcntlSetLock(&amp;syscall.Flock_t{
Type: syscall.F_RDLCK,
Start: _SHARED_FIRST,
Len: _SHARED_SIZE,