[Mono-dev] Mono 2.0 (arm): Reverse PInvoke can cause memory corruption?
vargaz at gmail.com
Fri Oct 10 15:41:22 EDT 2008
The GC only stops threads registered with it. This can be done multiple ways:
- all threads started by the runtime are automatically registered.
- an embedding app can register its threads by calling the
mono_thread_attach () API
- a non-registered thread is automatically registered the first time
it calls into managed
The third way is the easiest for applications, but it might have race
condition: if a GC
happens inside the call, I'm not sure what happens.
2008/10/10 FirstName LastName <mousse_man at hotmail.com>:
> Recently, I asked about doing reverse pinvoke from a native thread that
> caused an assert in mini-arm.c.
> A fix was done and I'm able to do it. But know, I have a feeling that I
> have memory corruption. My application is crashing at different times
> and display different stack traces.
> I have a general question regarding GC. When the GC runs, does it stop all
> threads in the process, even those created in unmanaged.
> I asking the following because I'm wondering what would happen if the GC
> collects and at the same time, a reverse pinvoke is done from a native
> thread (back to managed code)?
> Can this be an issue?
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