rclone/fs/accounting/accounting_unix.go
Nick Craig-Wood 57d5de6fba build: fix up package paths after repo move
git grep -l github.com/ncw/rclone | xargs -d'\n' perl -i~ -lpe 's|github.com/ncw/rclone|github.com/rclone/rclone|g'
goimports -w `find . -name \*.go`
2019-07-28 18:47:38 +01:00

36 lines
797 B
Go

// Accounting and limiting reader
// Unix specific functions.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
package accounting
import (
"os"
"os/signal"
"syscall"
"github.com/rclone/rclone/fs"
)
// startSignalHandler() sets a signal handler to catch SIGUSR2 and toggle throttling.
func startSignalHandler() {
signals := make(chan os.Signal, 1)
signal.Notify(signals, syscall.SIGUSR2)
go func() {
// This runs forever, but blocks until the signal is received.
for {
<-signals
tokenBucketMu.Lock()
bwLimitToggledOff = !bwLimitToggledOff
tokenBucket, prevTokenBucket = prevTokenBucket, tokenBucket
s := "disabled"
if tokenBucket != nil {
s = "enabled"
}
tokenBucketMu.Unlock()
fs.Logf(nil, "Bandwidth limit %s by user", s)
}
}()
}