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Minor TTY tweak.

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This commit is contained in:
Andreas Kling 2018-11-16 18:12:22 +01:00
parent d2046e79cf
commit 4e2c2b9748
Notes: sideshowbarker 2024-07-19 16:10:13 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/4e2c2b9748e
2 changed files with 10 additions and 2 deletions
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11
Kernel/TTY.cpp
View file

@ -4,6 +4,8 @@
#include <LibC/signal_numbers.h>
#include <LibC/sys/ioctl_numbers.h>
//#define TTY_DEBUG
void DoubleBuffer::flip()
{
ASSERT(m_read_buffer_index == m_read_buffer->size());
@ -48,6 +50,9 @@ ssize_t TTY::read(byte* buffer, size_t size)
ssize_t TTY::write(const byte* buffer, size_t size)
{
#ifdef TTY_DEBUG
dbgprintf("TTY::write %b {%u}\n", buffer[0], size);
#endif
onTTYWrite(buffer, size);
return 0;
}
@ -81,10 +86,12 @@ void TTY::interrupt()
void TTY::set_termios(const Unix::termios& t)
{
m_termios = t;
dbgprintf("%s set_termios: IECHO? %u, ISIG? %u\n",
dbgprintf("%s set_termios: IECHO? %u, ISIG? %u, ICANON? %u\n",
ttyName().characters(),
should_echo_input(),
should_generate_signals());
should_generate_signals(),
in_canonical_mode()
);
}
int TTY::ioctl(Process& process, unsigned request, unsigned arg)

1
Kernel/TTY.h
View file

@ -46,6 +46,7 @@ public:
void set_termios(const Unix::termios&);
bool should_generate_signals() const { return m_termios.c_lflag & ISIG; }
bool should_echo_input() const { return m_termios.c_lflag & ECHO; }
bool in_canonical_mode() const { return m_termios.c_lflag & ICANON; }
protected:
virtual bool isTTY() const final override { return true; }