Synchronous signals occur as a direct result of the executing instruction stream, where an unrecoverable error (such as an illegal instruction or illegal address reference) requires an immediate termination of the process. Such signals are directed to the thread which caused the error with its execution stream.

What are synchronous and asynchronous interrupts in Linux?

Synchronous interrupts, usually named exceptions, handle conditions detected by the processor itself in the course of executing an instruction. … Asynchronous interrupts, usually named interrupts, are external events generated by I/O devices.

Which of the following is an example of a synchronous interrupt?

1- Synchronous: The source of interrupt is in phase to the system clock is called synchronous interrupt. … Example: timer service that uses the system clock.