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Wayland: Continue poll() if timerfd can’t be read

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In the case the key repeat timerfd was interrupted before read(), the
cursor timerfd wasn’t read at all even when it could.

Related to #1711

(cherry picked from commit 68879081cb)
This commit is contained in:
Emmanuel Gil Peyrot 2021-12-14 09:29:01 +01:00 committed by Camilla Löwy
parent 8f3677a0d4
commit 52133a3690
2 changed files with 4 additions and 9 deletions
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2
README.md
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@ -123,7 +123,7 @@ information on what to include when reporting a bug.
## Changelog
There is nothing here yet.
- [Wayland] Bugfix: Key repeat could lead to a race condition (#1710)
## Contact

11
src/wl_window.c
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@ -867,10 +867,7 @@ static void handleEvents(int timeout)
if (fds[1].revents & POLLIN)
{
read_ret = read(_glfw.wl.timerfd, &repeats, sizeof(repeats));
if (read_ret != 8)
return;
if (_glfw.wl.keyboardFocus)
if (read_ret == 8 && _glfw.wl.keyboardFocus)
{
for (i = 0; i < repeats; ++i)
{
@ -886,10 +883,8 @@ static void handleEvents(int timeout)
if (fds[2].revents & POLLIN)
{
read_ret = read(_glfw.wl.cursorTimerfd, &repeats, sizeof(repeats));
if (read_ret != 8)
return;
incrementCursorImage(_glfw.wl.pointerFocus);
if (read_ret == 8)
incrementCursorImage(_glfw.wl.pointerFocus);
}
}
else