FAQ

On Fri, Nov 7, 2014 at 5:37 PM, wrote:
1) when GOMAXPROCS is unset, or set to 1, we can have two OS threads running
in parrallel (main thread + finalizer thread) ?
You can't have two Go threads running in parallel, but you can have a
finalizer Go thread running in parallel with a C thread.

2) the GC never interrupts a cgo call that is executing ? When there are
many threads, GC waits for the threads to come at a rendez-vous point before
running ?
GC can run during a long-running cgo call.

3) if the resource allocator is not thread-safe, how use it in a finalizer ?
Have the finalizer adds objects to a queue, and have a goroutine that
free items on the queue holding appropriate locks.

Ian

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