I need to call some C functions from Go. I think I know how to proceed
using cgo.
However, I was wondering how goroutines and blocking calls in the C
functions work together.
So in the below example (pseudocode) will the goroutine be suspended when
the pthread_lock call is waiting to acquire the lock?
I am guessing that the Go engine will detect that the OS thread on which
the goroutine(s) are running is blocked so it will suspend them too.
Once the thread is runnable, the blocked goroutines will be scheduled to
run.
For example:
int cfunc (int a) {
pthread_lock(..);
++a;
pthread_unlock();
}
func main() {
for (i := 0; i < 100; i++) {
go cfunc(i)
}
}
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