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//
// System.Threading.WaitHandle.cs
//
// Author:
// Dick Porter (dick@ximian.com)
//
// (C) Ximian, Inc. http://www.ximian.com
//
using System.Runtime.CompilerServices;
namespace System.Threading
{
public abstract class WaitHandle : MarshalByRefObject, IDisposable
{
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private static extern bool WaitAll_internal(WaitHandle[] handles, int ms, bool exitContext);
public static bool WaitAll(WaitHandle[] waitHandles) {
if(waitHandles.Length>64) {
throw new NotSupportedException("Too many handles");
}
for(int i=0; i<waitHandles.Length; i++) {
if(waitHandles[i]==null) {
throw new ArgumentNullException("null handle");
}
}
return(WaitAll_internal(waitHandles, Timeout.Infinite,
false));
}
public static bool WaitAll(WaitHandle[] waitHandles,
int millisecondsTimeout,
bool exitContext) {
if(waitHandles.Length>64) {
throw new NotSupportedException("Too many handles");
}
for(int i=0; i<waitHandles.Length; i++) {
if(waitHandles[i]==null) {
throw new ArgumentNullException("null handle");
}
}
return(WaitAll_internal(waitHandles, millisecondsTimeout, false));
}
public static bool WaitAll(WaitHandle[] waitHandles,
TimeSpan timeout,
bool exitContext) {
if(timeout.Milliseconds < 0 ||
timeout.Milliseconds > Int32.MaxValue) {
throw new ArgumentOutOfRangeException("Timeout out of range");
}
if(waitHandles.Length>64) {
throw new NotSupportedException("Too many handles");
}
for(int i=0; i<waitHandles.Length; i++) {
if(waitHandles[i]==null) {
throw new ArgumentNullException("null handle");
}
}
return(WaitAll_internal(waitHandles,
timeout.Milliseconds,
exitContext));
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private static extern int WaitAny_internal(WaitHandle[] handles, int ms, bool exitContext);
// LAMESPEC: Doesn't specify how to signal failures
public static int WaitAny(WaitHandle[] waitHandles) {
if(waitHandles.Length>64) {
throw new NotSupportedException("Too many handles");
}
for(int i=0; i<waitHandles.Length; i++) {
if(waitHandles[i]==null) {
throw new ArgumentNullException("null handle");
}
}
return(WaitAny_internal(waitHandles, Timeout.Infinite,
false));
}
public static int WaitAny(WaitHandle[] waitHandles,
int millisecondsTimeout,
bool exitContext) {
if(waitHandles.Length>64) {
throw new NotSupportedException("Too many handles");
}
for(int i=0; i<waitHandles.Length; i++) {
if(waitHandles[i]==null) {
throw new ArgumentNullException("null handle");
}
}
return(WaitAny_internal(waitHandles,
millisecondsTimeout,
exitContext));
}
public static int WaitAny(WaitHandle[] waitHandles,
TimeSpan timeout, bool exitContext) {
if(timeout.Milliseconds < 0 ||
timeout.Milliseconds > Int32.MaxValue) {
throw new ArgumentOutOfRangeException("Timeout out of range");
}
if(waitHandles.Length>64) {
throw new NotSupportedException("Too many handles");
}
for(int i=0; i<waitHandles.Length; i++) {
if(waitHandles[i]==null) {
throw new ArgumentNullException("null handle");
}
}
return(WaitAny_internal(waitHandles,
timeout.Milliseconds,
exitContext));
}
[MonoTODO]
public WaitHandle() {
// FIXME
}
public const int WaitTimeout = 258;
protected IntPtr os_handle = IntPtr.Zero;
public virtual IntPtr Handle {
get {
return(os_handle);
}
set {
os_handle=value;
}
}
public virtual void Close() {
Dispose(false);
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
protected virtual extern bool WaitOne_internal(IntPtr handle, int ms, bool exitContext);
public virtual bool WaitOne() {
return(WaitOne_internal(os_handle, Timeout.Infinite,
false));
}
public virtual bool WaitOne(int millisecondsTimeout, bool exitContext) {
return(WaitOne_internal(os_handle,
millisecondsTimeout,
exitContext));
}
public virtual bool WaitOne(TimeSpan timeout, bool exitContext) {
return(WaitOne_internal(os_handle,
timeout.Milliseconds,
exitContext));
}
protected static readonly IntPtr InvalidHandle;
private bool disposed = false;
public void Dispose() {
Dispose(true);
// Take yourself off the Finalization queue
GC.SuppressFinalize(this);
}
protected virtual void Dispose(bool explicitDisposing) {
// Check to see if Dispose has already been called.
if(!this.disposed) {
// If this is a call to Dispose,
// dispose all managed resources.
if(explicitDisposing) {
// Free up stuff here
//Components.Dispose();
}
// Release unmanaged resources
// Note that this is not thread safe.
// Another thread could start
// disposing the object after the
// managed resources are disposed, but
// before the disposed flag is set to
// true.
this.disposed=true;
//Release(handle);
//handle=IntPtr.Zero;
}
}
~WaitHandle() {
Dispose(false);
}
}
}
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