diff options
Diffstat (limited to 'runsc/cmd')
| -rw-r--r-- | runsc/cmd/debug.go | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/runsc/cmd/debug.go b/runsc/cmd/debug.go index 7952489de..b20987b2c 100644 --- a/runsc/cmd/debug.go +++ b/runsc/cmd/debug.go @@ -15,6 +15,8 @@ package cmd import ( + "syscall" + "context" "flag" "github.com/google/subcommands" @@ -27,6 +29,7 @@ import ( type Debug struct { pid int stacks bool + signal int } // Name implements subcommands.Command. @@ -48,6 +51,7 @@ func (*Debug) Usage() string { func (d *Debug) SetFlags(f *flag.FlagSet) { f.IntVar(&d.pid, "pid", 0, "sandbox process ID. Container ID is not necessary if this is set") f.BoolVar(&d.stacks, "stacks", false, "if true, dumps all sandbox stacks to the log") + f.IntVar(&d.signal, "signal", -1, "sends signal to the sandbox") } // Execute implements subcommands.Command.Execute. @@ -96,6 +100,12 @@ func (d *Debug) Execute(_ context.Context, f *flag.FlagSet, args ...interface{}) Fatalf("sandbox %q is not running", c.Sandbox.ID) } + if d.signal > 0 { + log.Infof("Sending signal %d to process: %d", d.signal, c.Sandbox.Pid) + if err := syscall.Kill(c.Sandbox.Pid, syscall.Signal(d.signal)); err != nil { + Fatalf("failed to send signal %d to processs %d", d.signal, c.Sandbox.Pid) + } + } if d.stacks { log.Infof("Retrieving sandbox stacks") stacks, err := c.Sandbox.Stacks() |