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

Question Posted / k.kashinatha

2 Answers
8742 Views
Intel, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

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

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.

Is This Answer Correct ?

0 Yes

0 No

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

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.

Is This Answer Correct ?

1 Yes

2 No

Post New Answer

More Linux System Calls Interview Questions

what is mean by raid and what are all raids available even in software and hardware?

5 Answers Satyam,

What are system calls used for process management in linux?

0 Answers

what is cups and how to configure?

7 Answers IBM,

what are the different ways the Linux can swich from User Space to Kernel Space & vice-versa ?

2 Answers NetApp,

what happens when we do insmod & rmmod in Linux Device Drivers ?

2 Answers

how to configure ftp server on redhat linux?

9 Answers Infosys,

what is the diff b/w MUTEX and semaphore?

12 Answers Sony, TCS,

what is sudo on linux?

3 Answers IBM,

What is atomic function / atomic variable ?

1 Answers Broadcom,

if one of the critical section code (linked list) is under ISR & another one in kernel thread ? How you will synchronize for this critical section code ?

4 Answers NetApp,

What do fork() internally call?

3 Answers

what are Softirq's and how many major numbers be allocated in the linux kernel(2.4) ?

1 Answers

For more Linux System Calls Interview Questions Click Here