Fix Poller poll to handle empty case

pebbe · Feb 18, 2022 · 7c72941 · 7c72941
1 parent 5806f25
commit 7c72941
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Showing 2 changed files with 8 additions and 0 deletions.
diff --git a/draft/polling.go b/draft/polling.go
@@ -153,6 +153,10 @@ func (p *Poller) PollAll(timeout time.Duration) ([]Polled, error) {
 func (p *Poller) poll(timeout time.Duration, all bool) ([]Polled, error) {
 	lst := make([]Polled, 0, len(p.items))
 
+	if len(p.items) == 0 {
+		return lst, nil
+	}
+
 	var ctx *Context
 	for _, soc := range p.socks {
 		if !soc.opened {

diff --git a/polling.go b/polling.go
@@ -153,6 +153,10 @@ func (p *Poller) PollAll(timeout time.Duration) ([]Polled, error) {
 func (p *Poller) poll(timeout time.Duration, all bool) ([]Polled, error) {
 	lst := make([]Polled, 0, len(p.items))
 
+	if len(p.items) == 0 {
+		return lst, nil
+	}
+
 	var ctx *Context
 	for _, soc := range p.socks {
 		if !soc.opened {