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A comment on A Close Look at a Spinlock. Parent comment

Re:A Close Look at a Spinlock by chrisseaton on Saturday November 06, 2021 @08:25PM (#29135205)
The OS schedules threads that it wants to run. When you consider which thread to schedule, don't schedule a thread that is waiting for a lock that isn't free yet.
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Re:A Close Look at a Spinlock by sydthrowaway on Saturday November 06, 2021 @08:29PM (#29135227)
Don’t you have to constantly check the status of the lock?
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Re:A Close Look at a Spinlock by chrisseaton on Saturday November 06, 2021 @08:33PM (#29135254)
No, because if someone wants to release an OS lock they have to tell you.
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