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lecture-operating-system-de…/c_os/user/HeapDemo.cc
2022-05-07 14:30:40 +02:00

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C++
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/*****************************************************************************
* *
* H E A P D E M O *
* *
*---------------------------------------------------------------------------*
* Beschreibung: Demonstration der dynamischen Speicherverwaltung. *
* *
* Autor: Michael Schoettner, HHU, 27.12.2016 *
*****************************************************************************/
#include "user/HeapDemo.h"
#include "kernel/Allocator.h"
#include "kernel/Globals.h"
#include "user/MyObj.h"
// Hilfsfunktion: Auf Return-Taste warten
void waitForReturn() {
/* hier muss Code eingefuegt werden */
Key key;
do {
kb.key_hit();
} while (key.ascii() != '\n');
}
void heap_demo() {
/* hier muss Code eingefuegt werden */
allocator.dump_free_memory();
MyObj* a = new MyObj(5);
allocator.dump_free_memory();
MyObj* b = new MyObj(10);
allocator.dump_free_memory();
allocator.alloc(1024 * 1024); // should fail as only 1024 * 1024 - (4 + 4) bytes remain
allocator.dump_free_memory();
}