RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 08:38:12 +00:00
Code Issues Activity Actions

Support polling with select() by using a zero timeout.

Browse source 
Use this in WindowServer to avoid getting blocked in select() when
there are pending injected events.
This commit is contained in:
Andreas Kling 2019-01-18 05:26:45 +01:00
parent a01e119e05
commit dff5051905
4 changed files with 24 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

11
Kernel/ProcessGUI.cpp
View file

@ -64,14 +64,17 @@ int Process::gui$create_window(const GUI_CreateWindowParameters* user_params)
window->set_rect(rect);
m_windows.set(window_id, move(window));
#ifdef LOG_GUI_SYSCALLS
dbgprintf("%s<%u> gui$create_window: %d with rect {%d,%d %dx%d}\n", name().characters(), pid(), window_id, rect.x(), rect.y(), rect.width(), rect.height());
#endif
return window_id;
}
int Process::gui$destroy_window(int window_id)
{
#ifdef LOG_GUI_SYSCALLS
dbgprintf("%s<%u> gui$destroy_window (window_id=%d)\n", name().characters(), pid(), window_id);
#endif
if (window_id < 0)
return -EINVAL;
auto it = m_windows.find(window_id);
@ -83,7 +86,9 @@ int Process::gui$destroy_window(int window_id)
int Process::gui$get_window_backing_store(int window_id, GUI_WindowBackingStoreInfo* info)
{
#ifdef LOG_GUI_SYSCALLS
dbgprintf("%s<%u> gui$get_window_backing_store (window_id=%d, info=%p)\n", name().characters(), pid(), window_id, info);
#endif
if (!validate_write_typed(info))
return -EFAULT;
if (window_id < 0)
@ -101,7 +106,9 @@ int Process::gui$get_window_backing_store(int window_id, GUI_WindowBackingStoreI
int Process::gui$invalidate_window(int window_id, const GUI_Rect* rect)
{
dbgprintf("%s<%u> gui$invalidate_window (window_id=%d)\n", name().characters(), pid(), window_id);
#ifdef LOG_GUI_SYSCALLS
dbgprintf("%s<%u> gui$invalidate_window (window_id=%d, rect=%p)\n", name().characters(), pid(), window_id, rect);
#endif
if (window_id < 0)
return -EINVAL;
if (rect && !validate_read_typed(rect))