feat(kernel/sched): fixes and improvements on the scheduler's

implementation.

why?

- The previous one wasn't entierly correct on some parts.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/dev/kernel/src/HardwareThreadScheduler.cc b/dev/kernel/src/HardwareThreadScheduler.cc
index 1df5ad7a..6cb83b3d 100644
--- a/dev/kernel/src/HardwareThreadScheduler.cc
+++ b/dev/kernel/src/HardwareThreadScheduler.cc
@@ -105,6 +105,8 @@ Void HardwareThread::Wake(const bool wakeup) noexcept {
 /// @retval false stack is invalid, previous code is running.
 /***********************************************************************************/
 Bool HardwareThread::Switch(HAL::StackFramePtr frame, const ThreadID& pid) {
+  if (this->IsBusy()) return NO;
+
   this->fStack = frame;
   this->fPID   = pid;