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Log more information about exited children

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When we receive a SIGCHLD, log more information about how the child
processes that we reap terminated.

Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
This commit is contained in:
Nalin Dahyabhai 2016-10-18 13:34:03 -04:00
parent 23d86cd866
commit 6ec61a43f3
1 changed files with 15 additions and 3 deletions
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18
utils/utils.go
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@ -146,12 +146,24 @@ func StartReaper() {
sig := <-sigs
for {
// Reap processes
cpid, _ := syscall.Wait4(-1, nil, syscall.WNOHANG, nil)
var status syscall.WaitStatus
cpid, err := syscall.Wait4(-1, &status, syscall.WNOHANG, nil)
if err != nil {
if err != syscall.ECHILD {
logrus.Debugf("wait4 after %v: %v", sig, err)
}
break
}
if cpid < 1 {
break
}
logrus.Debugf("Reaped process with pid %d %v", cpid, sig)
if status.Exited() {
logrus.Debugf("Reaped process with pid %d, exited with status %d", cpid, status.ExitStatus())
} else if status.Signaled() {
logrus.Debugf("Reaped process with pid %d, exited on %s", cpid, status.Signal())
} else {
logrus.Debugf("Reaped process with pid %d", cpid)
}
}
}
}()