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Kernel: Send a SIGCHLD to the parent upon suspension of a process

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...that is controlling a TTY.
This commit is contained in:
AnotherTest 2020-08-06 03:22:06 +04:30 • committed by Andreas Kling
parent b3d1a05261
commit 05972668d1
1 changed files with 4 additions and 1 deletions
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5
Kernel/TTY/TTY.cpp
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@ -155,6 +155,10 @@ void TTY::emit(u8 ch)
if (ch == m_termios.c_cc[VSUSP]) { if (ch == m_termios.c_cc[VSUSP]) {
dbg() << tty_name() << ": VSUSP pressed!"; dbg() << tty_name() << ": VSUSP pressed!";
generate_signal(SIGTSTP); generate_signal(SIGTSTP);
if (auto process = Process::from_pid(m_pgid)) {
if (auto parent = Process::from_pid(process->ppid()))
(void)parent->send_signal(SIGCHLD, process);
}
return; return;
} }
} }
@ -390,5 +394,4 @@ void TTY::hang_up()
{ {
generate_signal(SIGHUP); generate_signal(SIGHUP);
} }
} }