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Imported Upstream version 4.6.0.125

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Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2016-08-03 10:59:49 +00:00
parent a569aebcfd
commit e79aa3c0ed
17047 changed files with 3137615 additions and 392334 deletions
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191
mcs/class/corlib/System.Threading/Monitor.cs
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@ -37,205 +37,82 @@ using System.Runtime.InteropServices;
namespace System.Threading
{
[ComVisible (true)]
public static class Monitor
public static partial class Monitor
{
// Grabs the mutex on object 'obj', with a maximum
// wait time 'ms' but doesn't block - if it can't get
// the lock it returns false, true if it can
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern static bool Monitor_try_enter(object obj, int ms);
extern static bool Monitor_test_synchronised(object obj);
// Enter/Exit are implemented directly as icalls for performance reasons
// Acquires the mutex on object 'obj'
[MethodImplAttribute(MethodImplOptions.InternalCall)]
public extern static void Enter(object obj);
extern static void Monitor_pulse(object obj);
// Releases the mutex on object 'obj'
[ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
public extern static void Exit(object obj);
// Signals one of potentially many objects waiting on
// object 'obj'
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern static void Monitor_pulse(object obj);
// Checks whether object 'obj' is currently synchronised
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern static bool Monitor_test_synchronised(object obj);
public static void Pulse(object obj) {
if(obj==null) {
throw new ArgumentNullException("obj");
}
if(Monitor_test_synchronised(obj)==false) {
static void ObjPulse(Object obj)
{
if (!Monitor_test_synchronised (obj))
throw new SynchronizationLockException("Object is not synchronized");
}
Monitor_pulse(obj);
Monitor_pulse (obj);
}
// Signals all of potentially many objects waiting on
// object 'obj'
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern static void Monitor_pulse_all(object obj);
extern static void Monitor_pulse_all(object obj);
public static void PulseAll(object obj) {
if(obj==null) {
throw new ArgumentNullException("obj");
}
if(Monitor_test_synchronised(obj)==false) {
static void ObjPulseAll(Object obj)
{
if (!Monitor_test_synchronised (obj))
throw new SynchronizationLockException("Object is not synchronized");
}
Monitor_pulse_all(obj);
Monitor_pulse_all (obj);
}
public static bool TryEnter (object obj)
{
return TryEnter (obj, 0);
}
public static bool TryEnter (object obj, int millisecondsTimeout)
{
if (obj == null)
throw new ArgumentNullException ("obj");
if (millisecondsTimeout == Timeout.Infinite) {
Enter (obj);
return true;
}
if (millisecondsTimeout < 0)
throw new ArgumentException ("negative value for millisecondsTimeout", "millisecondsTimeout");
return Monitor_try_enter (obj, millisecondsTimeout);
}
public static bool TryEnter (object obj, TimeSpan timeout)
{
long ms = (long) timeout.TotalMilliseconds;
if (ms < Timeout.Infinite || ms > Int32.MaxValue)
throw new ArgumentOutOfRangeException ("timeout", "timeout out of range");
return TryEnter (obj, (int) ms);
}
// Waits for a signal on object 'obj' with maximum
// wait time 'ms'. Returns true if the object was
// signalled, false if it timed out
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern static bool Monitor_wait(object obj, int ms);
extern static bool Monitor_wait(object obj, int ms);
public static bool Wait (object obj)
static bool ObjWait(bool exitContext, int millisecondsTimeout, Object obj)
{
return Wait (obj, Timeout.Infinite);
}
public static bool Wait (object obj, int millisecondsTimeout)
{
if (obj == null)
throw new ArgumentNullException ("obj");
if (millisecondsTimeout < Timeout.Infinite)
throw new ArgumentOutOfRangeException ("millisecondsTimeout", "timeout out of range");
if (millisecondsTimeout < 0 && millisecondsTimeout != (int) Timeout.Infinite)
throw new ArgumentOutOfRangeException ("millisecondsTimeout");
if (!Monitor_test_synchronised (obj))
throw new SynchronizationLockException ("Object is not synchronized");
return Monitor_wait (obj, millisecondsTimeout);
}
public static bool Wait (object obj, TimeSpan timeout)
{
long ms = (long) timeout.TotalMilliseconds;
if (ms < Timeout.Infinite || ms > Int32.MaxValue)
throw new ArgumentOutOfRangeException ("timeout", "timeout out of range");
return Wait (obj, (int) ms);
}
public static bool Wait(object obj, int millisecondsTimeout, bool exitContext) {
try {
if (exitContext) {
#if MONOTOUCH
throw new NotSupportedException ("exitContext == true is not supported");
#else
#if !DISABLE_REMOTING
if (exitContext)
SynchronizationAttribute.ExitContext ();
#endif
}
return Wait (obj, millisecondsTimeout);
}
finally {
if (exitContext) SynchronizationAttribute.EnterContext ();
}
}
public static bool Wait(object obj, TimeSpan timeout, bool exitContext) {
try {
if (exitContext) {
#if MONOTOUCH
throw new NotSupportedException ("exitContext == true is not supported");
#else
SynchronizationAttribute.ExitContext ();
return Monitor_wait (obj, millisecondsTimeout);
} finally {
#if !DISABLE_REMOTING
if (exitContext)
SynchronizationAttribute.EnterContext ();
#endif
}
return Wait (obj, timeout);
}
finally {
if (exitContext) SynchronizationAttribute.EnterContext ();
}
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
extern static void try_enter_with_atomic_var (object obj, int millisecondsTimeout, ref bool lockTaken);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
extern static void enter_with_atomic_var (object obj, ref bool lockTaken);
// Can't make this an icall since it has the same name as the other Enter method
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static void Enter (object obj, ref bool lockTaken)
{
enter_with_atomic_var (obj, ref lockTaken);
}
public static void TryEnter (object obj, ref bool lockTaken)
{
TryEnter (obj, 0, ref lockTaken);
}
public static void TryEnter (object obj, TimeSpan timeout, ref bool lockTaken)
{
long ms = (long) timeout.TotalMilliseconds;
if (ms < Timeout.Infinite || ms > Int32.MaxValue)
throw new ArgumentOutOfRangeException ("timeout", "timeout out of range");
TryEnter (obj, (int)ms, ref lockTaken);
}
public static void TryEnter (object obj, int millisecondsTimeout, ref bool lockTaken)
static void ReliableEnterTimeout(Object obj, int timeout, ref bool lockTaken)
{
if (obj == null)
throw new ArgumentNullException ("obj");
if (lockTaken)
throw new ArgumentException ("lockTaken");
if (timeout < 0 && timeout != (int) Timeout.Infinite)
throw new ArgumentOutOfRangeException ("millisecondsTimeout");
if (millisecondsTimeout < 0 && millisecondsTimeout != Timeout.Infinite)
throw new ArgumentException ("negative value for millisecondsTimeout", "millisecondsTimeout");
try_enter_with_atomic_var (obj, millisecondsTimeout, ref lockTaken);
}
try_enter_with_atomic_var (obj, timeout, ref lockTaken);
}
static void ReliableEnter(Object obj, ref bool lockTaken)
{
ReliableEnterTimeout (obj, (int) Timeout.Infinite, ref lockTaken);
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
extern static bool Monitor_test_owner (object obj);
public
static bool IsEntered (object obj)
static bool IsEnteredNative(Object obj)
{
return Monitor_test_owner(obj);
return Monitor_test_owner (obj);
}
}
}