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proc/native: report trapWaitInternal errors in nativeProcess.stop

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The process could quit while we are inside stop, we should report the
error otherwise the following code will try to send on the closed
ptrace channel.
Fixes a sporadic error in TestIssue1101.
This commit is contained in:
aarzilli 2020-04-16 16:08:20 +02:00 committed by Derek Parker
parent 55543e2570
commit f9b6c43910
1 changed files with 4 additions and 1 deletions
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5
pkg/proc/native/proc_linux.go
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@ -475,7 +475,10 @@ func (dbp *nativeProcess) stop(trapthread *nativeThread) (err error) {
// check if any other thread simultaneously received a SIGTRAP
for {
th, _ := dbp.trapWaitInternal(-1, trapWaitNohang)
th, err := dbp.trapWaitInternal(-1, trapWaitNohang)
if err != nil {
return dbp.exitGuard(err)
}
if th == nil {
break
}