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Imported Upstream version 6.0.0.172

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Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2019-04-12 14:10:50 +00:00
parent 8016999e4d
commit 64ac736ec5
32155 changed files with 3981439 additions and 75368 deletions
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66
mcs/class/System.Web/System.Web.Caching/CacheDependency.cs
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@ -27,6 +27,7 @@
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Security.Permissions;
@ -45,10 +46,12 @@ namespace System.Web.Caching
DateTime start;
Cache cache;
FileSystemWatcher[] watchers;
static readonly bool useSharedWatchers = Environment.GetEnvironmentVariable ("MONO_SYSTEMWEB_CACHEDEPENDENCY_SHARED_FSW") != null;
static readonly Dictionary<string, FileSystemWatcher> sharedWatchers = new Dictionary<string, FileSystemWatcher> ();
bool hasChanged;
bool used;
DateTime utcLastModified;
object locker = new object ();
static readonly object locker = new object ();
EventHandlerList events = new EventHandlerList ();
internal event EventHandler DependencyChanged {
@ -102,25 +105,47 @@ namespace System.Web.Caching
filename = filenames [n];
if (String.IsNullOrEmpty (filename))
continue;
FileSystemWatcher watcher = new FileSystemWatcher ();
string path = null;
string filter = null;
if (Directory.Exists (filename))
watcher.Path = filename;
path = filename;
else {
string parentPath = Path.GetDirectoryName (filename);
if (parentPath != null && Directory.Exists (parentPath)) {
watcher.Path = parentPath;
watcher.Filter = Path.GetFileName (filename);
path = parentPath;
filter = Path.GetFileName (filename);
} else
continue;
}
watcher.NotifyFilter |= NotifyFilters.Size;
watcher.Created += new FileSystemEventHandler (OnChanged);
watcher.Changed += new FileSystemEventHandler (OnChanged);
watcher.Deleted += new FileSystemEventHandler (OnChanged);
watcher.Renamed += new RenamedEventHandler (OnChanged);
watcher.EnableRaisingEvents = true;
watchers [n] = watcher;
lock (locker) {
FileSystemWatcher watcher;
if (useSharedWatchers) {
if (!sharedWatchers.TryGetValue (path, out watcher)) {
watcher = new FileSystemWatcher ();
watcher.Path = path;
watcher.NotifyFilter |= NotifyFilters.Size;
watcher.Created += new FileSystemEventHandler ((s, e) => { if (filter == null || e.Name == filter) OnChanged (s, e); });
watcher.Changed += new FileSystemEventHandler ((s, e) => { if (filter == null || e.Name == filter) OnChanged (s, e); });
watcher.Deleted += new FileSystemEventHandler ((s, e) => { if (filter == null || e.Name == filter) OnChanged (s, e); });
watcher.Renamed += new RenamedEventHandler ((s, e) => { if (filter == null || e.OldName == filter) OnChanged (s, e); });
watcher.EnableRaisingEvents = true;
sharedWatchers [path] = watcher;
}
} else {
watcher = new FileSystemWatcher ();
watcher.Path = path;
if (filter != null)
watcher.Filter = filter;
watcher.NotifyFilter |= NotifyFilters.Size;
watcher.Created += new FileSystemEventHandler (OnChanged);
watcher.Changed += new FileSystemEventHandler (OnChanged);
watcher.Deleted += new FileSystemEventHandler (OnChanged);
watcher.Renamed += new RenamedEventHandler (OnChanged);
watcher.EnableRaisingEvents = true;
watchers [n] = watcher;
}
}
}
}
this.cachekeys = cachekeys;
@ -137,8 +162,17 @@ namespace System.Web.Caching
var sb = new StringBuilder ();
lock (locker) {
if (watchers != null)
foreach (FileSystemWatcher fsw in watchers)
FileSystemWatcher[] watcherList;
if (useSharedWatchers) {
watcherList = new FileSystemWatcher[sharedWatchers.Count];
sharedWatchers.Values.CopyTo (watcherList, 0);
} else {
watcherList = watchers;
}
if (watcherList != null)
foreach (FileSystemWatcher fsw in watcherList)
if (fsw != null && fsw.Path != null && fsw.Path.Length != 0)
sb.Append ("_" + fsw.Path);
}
@ -172,6 +206,8 @@ namespace System.Web.Caching
void DisposeWatchers ()
{
if (useSharedWatchers) return;
lock (locker) {
if (watchers != null) {
foreach (FileSystemWatcher w in watchers)