sigpause(2) System Calls Manual sigpause(2)
Name
sigpause - atomically release blocked signals and wait for interrupt
Syntax
sigpause(sigmask)
int sigmask;
Description
The system call assigns sigmask to the set of masked signals and then waits for a signal to arrive. On return, the set of masked signals
is restored. The sigmask is usually 0 to indicate that no signals are now to be blocked. The always terminates by being interrupted,
returning EINTR.
In normal usage, a signal is blocked using at the beginning of a critical section of code. Variables modified on the occurrence of the
signal are examined to determine if there is any work to be done. The process pauses, awaiting work, by using with the mask returned by
See Also
sigblock(2), sigvec(2)
sigpause(2)
