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Kernel: waitpid() should unblock and -ECHILD if SIG_IGN reaps child

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This commit is contained in:
Andreas Kling
2019-09-08 13:54:48 +02:00
parent c983e96664
commit 23eafdb8d6
2 changed files with 8 additions and 0 deletions
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5
Kernel/Scheduler.cpp
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@@ -195,6 +195,11 @@ Thread::WaitBlocker::WaitBlocker(int wait_options, pid_t& waitee_pid)
bool Thread::WaitBlocker::should_unblock(Thread& thread, time_t, long)
{
bool should_unblock = false;
if (m_waitee_pid != -1) {
auto* peer = Process::from_pid(m_waitee_pid);
if (!peer)
return true;
}
thread.process().for_each_child([&](Process& child) {
if (m_waitee_pid != -1 && m_waitee_pid != child.pid())
return IterationDecision::Continue;