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Kernel: TTY input process is now single instance 

Process sends key events to the active (currently only) tty
This commit is contained in:
Bananymous 2023-04-30 16:11:14 +03:00
parent f139fc2229
commit 4e859bedbc
1 changed files with 9 additions and 6 deletions
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15
kernel/kernel/Terminal/TTY.cpp
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@ -22,6 +22,8 @@
namespace Kernel namespace Kernel
{ {
static Process* s_input_process = nullptr;
static dev_t next_tty_rdev() static dev_t next_tty_rdev()
{ {
static dev_t major = DeviceManager::get().get_next_rdev(); static dev_t major = DeviceManager::get().get_next_rdev();
@ -55,18 +57,19 @@ namespace Kernel
m_name = BAN::String::formatted("tty{}", minor(m_rdev)); m_name = BAN::String::formatted("tty{}", minor(m_rdev));
DeviceManager::get().add_device(this); DeviceManager::get().add_device(this);
Process::create_kernel( if (s_input_process)
[](void* tty_) return;
s_input_process = Process::create_kernel(
[](void*)
{ {
TTY* tty = (TTY*)tty_;
int fd = MUST(Process::current().open("/dev/input0"sv, O_RDONLY)); int fd = MUST(Process::current().open("/dev/input0"sv, O_RDONLY));
while (true) while (true)
{ {
Input::KeyEvent event; Input::KeyEvent event;
MUST(Process::current().read(fd, &event, sizeof(event))); ASSERT(MUST(Process::current().read(fd, &event, sizeof(event))) == sizeof(event));
tty->on_key(event); TTY::current()->on_key(event);
} }
}, this }, nullptr
); );
} }