christoph/lecture-operating-system-development
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merged cleanup

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This commit is contained in:
Christoph Urlacher
2022-07-24 21:12:31 +02:00
parent 5ff3d72bfd
commit 6481bae5f6
92 changed files with 663 additions and 755 deletions
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8
c_os/devices/CGA_Stream.h
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@ -12,8 +12,8 @@
* Autor: Olaf Spinczyk, TU Dortmund *
* Aenderungen von Michael Schoettner, HHU, 06.04.20 *
*****************************************************************************/
#ifndef __CGA_Stream_include__
#define __CGA_Stream_include__
#ifndef CGA_Stream_include_H_
#define CGA_Stream_include_H_
#include "devices/CGA.h"
#include "lib/OutStream.h"
@ -42,7 +42,7 @@ class CGA_Stream : public OutStream, public CGA {
private:
// 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
// NOTE: Should only be used by threads (like the demos) to not lock the system
Semaphore sem;
CGA::color color_fg;
@ -58,6 +58,8 @@ public:
pos = 0;
}
// ~CGA_Stream() override = default;
void lock() { sem.p(); }
void unlock() { sem.v(); }