Exam 23: Operating System Concepts: System Calls, Threads, and Signals

If a thread invokes the exec system call

The usual effect of abnormal termination of a program is___________

Which of the following calls never returns an error?

A fork system call will fail if

The___________maintains pending and blocked bit vectors in the context of each process.

In UNIX, the set of masked signals can be set or cleared using the___________  function.

In most cases, if a process is sent a signal while it is executing a system call

Cancellation point is the point where

If a process does not call exec after forking

When one thread immediately terminates the target thread, it is called___________

When the target thread periodically checks if it should terminate and terminates itself in an orderly manner, it is called?

Cancelling a thread asynchronously

Signals of a given type___________

Signals are identified by___________

The three ways in which a process responds to a signal are___________

Which of the following system calls does not return control to the calling point, on termination?

Signals that occur at the same time, are presented to the process___________

If multiple threads are concurrently searching through a database and one thread returns the result then the remaining threads must be___________

If exec is called immediately after forking

Which of the following is not TRUE?