christoph/lecture-operating-system-development
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This commit is contained in:
Christoph Urlacher
2022-07-24 16:51:16 +02:00
parent a15e1d9fd4
commit e1eac41853
18 changed files with 48 additions and 97 deletions
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6
c_os/devices/CGA_Stream.h
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@ -40,8 +40,6 @@ constexpr const fgc lgrey = fgc(CGA::LIGHT_GREY);
class CGA_Stream : public OutStream, public CGA {
private:
CGA_Stream(CGA_Stream& copy) = delete; // Verhindere Kopieren
// Allow for synchronization of output text, needed when running something in parallel to
// the PreemptiveThreadDemo for example
// NOTE: Should only be used by threads (like the demos) to not deadlock the system
@ -54,8 +52,10 @@ private:
friend class Logger; // Give access to the color
public:
CGA_Stream(CGA_Stream& copy) = delete; // Verhindere Kopieren
CGA_Stream() : sem(1), color_fg(CGA::LIGHT_GREY), color_bg(CGA::BLACK), blink(false) {
flush();
pos = 0;
}
void lock() { sem.p(); }