call
start()
run()
▶ start()
⏳ sleep(1s)
🔒 wait for lock
✅ release
🏁 finish
⇄ Scheduler tick
↺ Reset
selected:
👩🍳 Cook-1
threads alive:
0
· on a core:
0
🧑🍳
NEW
hired
›
🧍
RUNNABLE
on shift, queued
›
🍳
RUNNING
at the stove
›
⏸
BLOCKED · WAITING
stuck at the oven
›
🏁
TERMINATED
shift over
👩🍳
Cook-1
NEW
🧑🍳
Cook-2
NEW
🔥 core ×1
— idle —
ready queue
— empty —
Two cooks, one stove
Pick a cook, then hit
▶ start()
to put them on shift.
▸
RUNNABLE means
ready
, not running — only one thread per core, and the
scheduler
picks who.