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Fix possible panic on killing container

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Signed-off-by: Alexander Morozov <lk4d4@docker.com>
This commit is contained in:
Alexander Morozov 2015-02-18 11:27:38 -08:00
parent eb0d65933d
commit e995670935
1 changed files with 4 additions and 0 deletions
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4
daemon/execdriver/native/driver.go
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@ -4,6 +4,7 @@ package native
import ( import (
"encoding/json" "encoding/json"
"errors"
"fmt" "fmt"
"io" "io"
"io/ioutil" "io/ioutil"
@ -173,6 +174,9 @@ func (d *driver) Run(c *execdriver.Command, pipes *execdriver.Pipes, startCallba
} }
func (d *driver) Kill(p *execdriver.Command, sig int) error { func (d *driver) Kill(p *execdriver.Command, sig int) error {
if p.ProcessConfig.Process == nil {
return errors.New("exec: not started")
}
return syscall.Kill(p.ProcessConfig.Process.Pid, syscall.Signal(sig)) return syscall.Kill(p.ProcessConfig.Process.Pid, syscall.Signal(sig))
} }