i have a test code like this:
func main() {
tcpAddress, err := net.ResolveTCPAddr("tcp", ":9999")
if err != nil {
fmt.Println(err)
}
listener, err := net.ListenTCP("tcp", tcpAddress)
c, e := listener.AcceptTCP()
if e != nil {
fmt.Println(e)
}
t := make([]byte, 0, 1000)
c.Read(t)
}
when the main function blocked on AcceptTCP(), the runtime.sysmon()
function will enter sleep soon which is because npidle equal to gomaxprocs.
and then a tcp connect coming, how acceptTCP been waked? I couldn't find a
runtime.netpoll() been call anymore.
could some give some advise, effective tools, design document or debug
method to read golang's source code? I always want to debug some code in
runtime, but i
conn't find a effective way to do this now; I read these code so hard
without clearly understand the detail design .
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