Kernel: Add basic support for O_NONBLOCK (only for tty)

2023-09-04 12:57:52 +03:00
parent 6f002c926a
commit b2139c0b1e
4 changed files with 11 additions and 1 deletions
--- a/kernel/kernel/Terminal/TTY.cpp
+++ b/kernel/kernel/Terminal/TTY.cpp
@@ -679,6 +679,12 @@ flush:
 		return count;
 	}

+	bool TTY::has_data() const
+	{
+		LockGuard _(m_lock);
+		return m_output.flush;
+	}
+
 	void TTY::putchar_current(uint8_t ch)
 	{
 		ASSERT(s_tty);