0ct0pu5/ladybird
1
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2024-12-04 05:20:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 7

Catch anyone trying to use a DoubleBuffer with interrupts disabled.

Browse source
This commit is contained in:
Andreas Kling 2019-01-16 01:58:11 +01:00
parent 09ba129bcf
commit 9c51d9dfcd
Notes: sideshowbarker 2024-07-19 16:01:42 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/9c51d9dfcd9
1 changed files with 2 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
Kernel/DoubleBuffer.cpp
View file

@ -19,6 +19,7 @@ void DoubleBuffer::flip()
ssize_t DoubleBuffer::write(const byte* data, size_t size)
{
ASSERT_INTERRUPTS_ENABLED();
LOCKER(m_lock);
m_write_buffer->append(data, size);
compute_emptiness();
@ -27,6 +28,7 @@ ssize_t DoubleBuffer::write(const byte* data, size_t size)
ssize_t DoubleBuffer::read(byte* data, size_t size)
{
ASSERT_INTERRUPTS_ENABLED();
LOCKER(m_lock);
if (m_read_buffer_index >= m_read_buffer->size() && !m_write_buffer->is_empty())
flip();