christoph/lecture-operating-system-development
1
Fork 0
Code Activity

disable scheduler interrupt pausing, no preemption

Browse Source
This commit is contained in:
Christoph Urlacher
2022-07-04 17:07:18 +02:00
parent 16f814bfcf
commit e2e2c4545e
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
c_os/kernel/threads/Scheduler.cc
View File

@ -116,7 +116,7 @@ void Scheduler::yield() {
/* hier muss Code eingefuegt werden */
// Thread-Wechsel durch PIT verhindern
cpu.disable_int ();
// cpu.disable_int ();
// When only one thread exists (IdleThread) it can't yield as the readyqueue becomes empty
// and this is not handled anywhere else
@ -130,7 +130,7 @@ void Scheduler::yield() {
this->dispatch(next);
// Thread-Wechsel durch PIT jetzt wieder erlauben
cpu.enable_int ();
// cpu.enable_int ();
}
/*****************************************************************************