func init() { if C.sg_init() != 0 { panic(getError()) } // if C.sg_drop_privileges() != 0 { // panic(getError()) // } }
// NewStat return a new Stat handle func NewStat() *Stat { s := &Stat{} runtime.SetFinalizer(s, (*Stat).free) initDone := make(chan bool) s.exitMessage = make(chan bool) C.sg_init(1) go func() { // We need some function calls to be performed on the same thread // Those for which statgrab is using a thread local runtime.LockOSThread() defer runtime.UnlockOSThread() // Throw away the first reading as thats averaged over the machines uptime C.sg_get_cpu_stats_diff(nil) C.sg_get_network_io_stats_diff(nil) C.sg_get_page_stats_diff(nil) C.sg_get_disk_io_stats_diff(nil) initDone <- true for { select { case <-s.exitMessage: break case f := <-mainfunc: f() } } }() <-initDone return s }
// NewStat return a new Stat handle func NewStat() *Stat { s := &Stat{} runtime.SetFinalizer(s, (*Stat).free) C.sg_init(1) return s }