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Start refactoring the windowing system to use an event loop.

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Userspace programs can now open /dev/gui_events and read a stream of GUI_Event
structs one at a time.

I was stuck on a stupid problem where we'd reenter Scheduler::yield() due to
having one of the has_data_available_for_reading() implementations using locks.
This commit is contained in:
Andreas Kling 2019-01-14 14:21:51 +01:00
parent b4da4e8fbd
commit b0e3f73375
46 changed files with 283 additions and 292 deletions
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LibC/stdio.h
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@ -54,6 +54,7 @@ int vfprintf(FILE*, const char* fmt, va_list);
int vsprintf(char* buffer, const char* fmt, va_list);
int fprintf(FILE*, const char* fmt, ...);
int printf(const char* fmt, ...);
int sys_printf(const char* fmt, ...);
int sprintf(char* buffer, const char* fmt, ...);
int putchar(int ch);
int putc(int ch, FILE*);