christoph/lecture-operating-system-development
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refactor main menu

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This commit is contained in:
Christoph Urlacher
2022-07-17 01:16:09 +02:00
parent 9a0bb01c6d
commit 931c9552b7
1 changed files with 33 additions and 32 deletions
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21
c_os/user/MainMenu.cc
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@ -27,9 +27,9 @@ void MainMenu::run() {
char input = '\0'; char input = '\0';
Thread* choosen_demo = NULL; Thread* choosen_demo = NULL;
while (true) { while (true) {
input = this->listener.waitForKeyEvent(); input = this->listener.waitForKeyEvent();
if (choosen_demo == NULL) {
switch (input) { switch (input) {
case '1': case '1':
choosen_demo = new TextDemo(); choosen_demo = new TextDemo();
@ -52,20 +52,21 @@ void MainMenu::run() {
case '7': case '7':
choosen_demo = new PreemptiveThreadDemo(3); choosen_demo = new PreemptiveThreadDemo(3);
break; break;
case 'k':
if (choosen_demo != NULL) {
scheduler.kill(choosen_demo);
delete choosen_demo;
choosen_demo = NULL;
}
kout.clear();
print_demo_menu();
break;
} }
if (choosen_demo != NULL) { if (choosen_demo != NULL) {
// We actually chose something
scheduler.ready(choosen_demo); scheduler.ready(choosen_demo);
} }
} else if (input == 'k') {
scheduler.kill(choosen_demo); // NOTE: If thread exits itself this will throw error
choosen_demo = NULL;
kout.clear();
print_demo_menu();
}
input = '\0';
} }
// Extra demos // Extra demos