fff164c22e
In go1.14+, SIGURG is used by the runtime to handle preemtable system calls. In practice this signal caught *frequently*. For reference: https://go.googlesource.com/proposal/+/master/design/24543-non-cooperative-preemption.md https://github.com/golang/go/issues/37942 Signed-off-by: Brian Goff <cpuguy83@gmail.com>
49 lines
907 B
Go
49 lines
907 B
Go
package container
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import (
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"context"
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"os"
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"testing"
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"time"
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"github.com/docker/cli/internal/test"
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"github.com/docker/docker/pkg/signal"
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)
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func TestForwardSignals(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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called := make(chan struct{})
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client := &fakeClient{containerKillFunc: func(ctx context.Context, container, signal string) error {
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close(called)
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return nil
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}}
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cli := test.NewFakeCli(client)
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sigc := make(chan os.Signal)
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defer close(sigc)
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go ForwardAllSignals(ctx, cli, t.Name(), sigc)
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timer := time.NewTimer(30 * time.Second)
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defer timer.Stop()
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select {
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case <-timer.C:
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t.Fatal("timeout waiting to send signal")
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case sigc <- signal.SignalMap["TERM"]:
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}
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if !timer.Stop() {
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<-timer.C
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}
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timer.Reset(30 * time.Second)
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select {
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case <-called:
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case <-timer.C:
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t.Fatal("timeout waiting for signal to be processed")
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}
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}
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