in sigar_linux.go [78:99]
func (self *ProcFDUsage) Get(pid int) error {
err := readFile(procFileName(pid, "limits"), func(line string) bool {
if strings.HasPrefix(line, "Max open files") {
fields := strings.Fields(line)
if len(fields) == 6 {
self.SoftLimit, _ = strconv.ParseUint(fields[3], 10, 64)
self.HardLimit, _ = strconv.ParseUint(fields[4], 10, 64)
}
return false
}
return true
})
if err != nil {
return err
}
fds, err := ioutil.ReadDir(procFileName(pid, "fd"))
if err != nil {
return err
}
self.Open = uint64(len(fds))
return nil
}