trying to step through code within lock

Question

I have a function that looks like this

 public void DoSomething(){ var lockThis = new Object(); lock(lockThis){ //trying to step through code } }

So I place a breakpoint within lock(lockThis){...}. In theory, only one thread is in the critical section at a time, but can't I step through? It breaks at the first line of code within it, and it keeps hitting the same line. The breakpoints behave just like outside the lock.

EDIT: I should describe the environment. This class and the method arewithin the middle tier DLL. The method is called by a webservice in an ASP.NET application. I am doing a stress test on the webservice which spawns multiple threads that call the above method.

Each thread is trying to lock a different object. Two threads can't lock the same lock at the same time, but these are different locks. — David Schwartz
– David Schwartz, Commented Mar 19, 2015 at 0:43

Peyman · Accepted Answer · 2015-03-19 00:22:01Z

2

Your Lock object should be share between different thread, in this case you create single instance for each thread and call.`

Object lockThis = new Object();

or (depends on your code)

static Obejct lockThis = new Object(); public void DoSomething() { lock(lockThis) { //trying to step through code } }

answered Mar 19, 2015 at 0:22

Peyman

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5 Comments

user79284 Over a year ago

I tried your second solution. It is still behaving the same. I edited the post to give a description of my environment.

Peyman Over a year ago

As I said you should use same instance of object for locking, I don't know how you use this method. Do you use same instance of class or create new one each time?

Peyman Over a year ago

Second one means Static object?

user79284 Over a year ago

Yes. I am using the second option. Yes a new instance is created each time and I can't think of a way around it. Static class AND static method will be the way to go?

Peyman Over a year ago

Yes the static object should create only once, and it should be working

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