Answer / kapil thakar

Spin lock used in kernel context. It will not allow the
process or thread to sleep.

While mutux and semaphore can go into sleep.

So this make the spin lock can be used in interrupt context
or interrupt.

Answer / raghava

mainly spinlock used in threads to avoid synchronization,where as semaphore and mutex used to avoid process synchronization.
1.spinlock is something like polling.it spins for resouce until aloocated resouce releases.
2.binary semaphore and mutex are similar.

diff b/w spinlock, seamaphores and mutex and where to use it.

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