Refine event handling #4
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alanjian85
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This commit adds a member function for event handling to the backend interface, replacing the previous file-based system that relies on poll(2). The new design addresses issues created by backends like SDL, which do not expose underlying file descriptors. Integrating the fbdev backend into the updated interface remains to be completed. Close sysprog21#4
alanjian85
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Oct 31, 2024
This commit adds a member function for event handling to the backend interface, replacing the previous file-based system that relies on poll(2). The new design addresses issues created by backends like SDL, which do not expose underlying file descriptors. Integrating the fbdev backend into the updated interface remains to be completed. Close sysprog21#4
alanjian85
added a commit
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Oct 31, 2024
This commit adds a member function for event handling to the backend interface, replacing the previous file-based system that relies on poll(2). The new design addresses issues created by backends like SDL, which do not expose underlying file descriptors. Integrating the fbdev backend into the updated interface remains to be completed. Close sysprog21#4
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The internal event handling relied on the poll(2) for monitoring X11 events via I/O multiplexing. However, for backends such as SDL, this manipulation causes problems since the internal file descriptors associated with underlying system events are hidden and not exposed. Thus, we should avoid polling the file descriptors. Instead, let the backend handle the event loop when possible. See commit e935b0d .
For #3, we may provide poll(2) based mechanism to monitor events when requested.
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