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Merge pull request #20934 from icecrime/20543_debugging

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Fix race condition on daemon shutdown (#20543)
This commit is contained in:
David Calavera 2016-03-04 11:08:50 -08:00
commit 2af84d8875
1 changed files with 7 additions and 4 deletions
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11
daemon/execdriver/native/driver.go
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@ -157,6 +157,10 @@ func (d *Driver) Run(c *execdriver.Command, pipes *execdriver.Pipes, hooks execd
if err != nil {
return execdriver.ExitStatus{ExitCode: -1}, err
}
if err := cont.Start(p); err != nil {
return execdriver.ExitStatus{ExitCode: -1}, err
}
d.Lock()
d.activeContainers[c.ID] = cont
d.Unlock()
@ -167,10 +171,6 @@ func (d *Driver) Run(c *execdriver.Command, pipes *execdriver.Pipes, hooks execd
d.cleanContainer(c.ID)
}()
if err := cont.Start(p); err != nil {
return execdriver.ExitStatus{ExitCode: -1}, err
}
//close the write end of any opened pipes now that they are dup'ed into the container
for _, writer := range writers {
writer.Close()
@ -302,6 +302,9 @@ func (d *Driver) Kill(c *execdriver.Command, sig int) error {
if err != nil {
return err
}
if state.InitProcessPid == -1 {
return fmt.Errorf("avoid sending signal %d to container %s with pid -1", sig, c.ID)
}
return syscall.Kill(state.InitProcessPid, syscall.Signal(sig))
}