zack fertig

interrupt/handlers.cc

@@ -74,14 +74,12 @@ extern Ticketlock koutlock;
 void handle_keyboard() {
     Key key = Key();
     if (PS2Controller::fetch(key)) {
-
-        if (key.ctrl() && key.alt() && key.scancode == Key::KEY_DEL)
-            System::reboot();
-
         koutlock.lock();
-        kout << key.ascii() << flush ;
+        kout << key.ascii() << endl << flush ;
         koutlock.unlock();
     }
+    else if (key.ctrl() && key.alt() && key.scancode == Key::KEY_DEL)
+        System::reboot();
 
     LAPIC::endOfInterrupt();
 }

sync/ticketlock.cc

@@ -1,12 +1,12 @@
 #include "sync/ticketlock.h"
 
 void Ticketlock::lock() {
-    uint64_t ticket = __atomic_fetch_add(&ticket_count, 1, __ATOMIC_SEQ_CST);
-    while (ticket != ticket_current) {
+    uint64_t ticket = __atomic_fetch_add(&ticket_count, 1, __ATOMIC_RELAXED);
+    while (ticket != __atomic_fetch_add(&ticket_current, 0, __ATOMIC_ACQUIRE))) {
         Core::pause();
     }
 }
 
 void Ticketlock::unlock() {
-    __atomic_fetch_add(&ticket_current, 1, __ATOMIC_SEQ_CST);
+    __atomic_fetch_add(&ticket_current, 1, __ATOMIC_RELEASE);
 }