terraform/vendor/github.com/creack/goselect/select.go

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2017-01-20 16:59:14 +01:00
package goselect
import (
"syscall"
"time"
)
// Select wraps syscall.Select with Go types
func Select(n int, r, w, e *FDSet, timeout time.Duration) error {
var timeval *syscall.Timeval
if timeout >= 0 {
t := syscall.NsecToTimeval(timeout.Nanoseconds())
timeval = &t
}
return sysSelect(n, r, w, e, timeval)
}
// RetrySelect wraps syscall.Select with Go types, and retries a number of times, with a given retryDelay.
func RetrySelect(n int, r, w, e *FDSet, timeout time.Duration, retries int, retryDelay time.Duration) (err error) {
for i := 0; i < retries; i++ {
if err = Select(n, r, w, e, timeout); err != syscall.EINTR {
return err
}
time.Sleep(retryDelay)
}
return err
}