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Kernel+LibC+UE: Introduce SIGINFO (generated with ^T)

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This signal is ignored by default, but can be caught to implement state
reporting a la BSD. :^)
This commit is contained in:
Andreas Kling
2020-09-08 18:07:25 +02:00
parent 687aad01be
commit f8e59addf7
5 changed files with 10 additions and 4 deletions
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7
Kernel/TTY/TTY.cpp
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@@ -48,7 +48,7 @@ void TTY::set_default_termios()
{
memset(&m_termios, 0, sizeof(m_termios));
m_termios.c_lflag |= ISIG | ECHO | ICANON;
static const char default_cc[32] = "\003\034\010\025\004\0\1\0\021\023\032\0\022\017\027\026\0";
static const char default_cc[32] = "\003\034\010\025\004\0\1\0\021\023\032\0\022\017\027\026\0\024";
memcpy(m_termios.c_cc, default_cc, sizeof(default_cc));
}
@@ -141,6 +141,11 @@ bool TTY::is_werase(u8 ch) const
void TTY::emit(u8 ch)
{
if (should_generate_signals()) {
if (ch == m_termios.c_cc[VINFO]) {
dbg() << tty_name() << ": VINFO pressed!";
generate_signal(SIGINFO);
return;
}
if (ch == m_termios.c_cc[VINTR]) {
dbg() << tty_name() << ": VINTR pressed!";
generate_signal(SIGINT);