Synchronized Get/Set

[Guest]

Hi
I am a new pie to Visual Stadio 2005 C# NETCF 2.0

I have a property call

public bool Name
{
get
{
return this.name;
}
set
{
this.name = value;
}
}

Cause there is a couple of thread will access this method, So I want to
synchronized this variable, but I do not how to lock it.
I have found a solution call ReadwriterLock, but it does not support NETCF2.0

How to write this function?

Thanks

 

[Guest]

C# contains a method called lock that prevents further changes to the object
until exited from the lock. Other methods include creating a mutex or
creating a ManualResetEvent. There are many articles on google and msdn that
explain how to perform Thread Synchronization.

Rick D.
Contractor

 

[Guest]

Generally would would only lock reference types but there occations you might
want to lock value types, counters etc. For this,
System.Threading.Interlocked can be used.
int mysharedint = 0;
IE: System.Threading.Interlocked(ref mysharedint);

I have never used this with booleans, I guess you would cast it.

 

[maxxel]

jeff je napisal:

Cause there is a couple of thread will access this method, So I want to
synchronized this variable, but I do not how to lock it.
I have found a solution call ReadwriterLock, but it does not support NETCF2.0

locking these two (simple) methods won't solve sychronization issues
(get-set property = two methods),
you have to lock resource for the time it must be consistent.

bad code:

if (x.Name == true) // read
{
// do stuff

// x.Name becomes false from another thread

x.Name = false; // write
}

proper code:

lock(x)
{
if (x.Name == true) // read
{
// do stuff

// other threads waiting for lock to be released

x.Name = false; // write
}
}

all threads accessing this property must synchronize, so there
won't be any inconsistencies.

Maxxel