/usr/share/gocode/src/github.com/influxdata/influxdb/pkg/limiter/fixed.go is in golang-github-influxdb-influxdb-dev 1.1.1+dfsg1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | package limiter
// Fixed is a simple channel based concurrency limiter. It uses a fixed
// size channel to limit callers from proceeding until there is a value avalable
// in the channel. If all are in-use, the caller blocks until one is freed.
type Fixed chan struct{}
func NewFixed(limit int) Fixed {
return make(Fixed, limit)
}
func (t Fixed) Take() {
t <- struct{}{}
}
func (t Fixed) Release() {
<-t
}
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