30 lines
628 B
Go
30 lines
628 B
Go
|
package oonimkall
|
||
|
|
||
|
import (
|
||
|
"context"
|
||
|
"math"
|
||
|
"time"
|
||
|
)
|
||
|
|
||
|
const maxTimeout = int64(time.Duration(math.MaxInt64) / time.Second)
|
||
|
|
||
|
func clampTimeout(timeout, max int64) int64 {
|
||
|
if timeout > max {
|
||
|
timeout = max
|
||
|
}
|
||
|
return timeout
|
||
|
}
|
||
|
|
||
|
func newContext(timeout int64) (context.Context, context.CancelFunc) {
|
||
|
return newContextEx(timeout, maxTimeout)
|
||
|
}
|
||
|
|
||
|
func newContextEx(timeout, max int64) (context.Context, context.CancelFunc) {
|
||
|
if timeout > 0 {
|
||
|
timeout = clampTimeout(timeout, max)
|
||
|
return context.WithTimeout(
|
||
|
context.Background(), time.Duration(timeout)*time.Second)
|
||
|
}
|
||
|
return context.WithCancel(context.Background())
|
||
|
}
|