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NAME
       pause - wait for signal

SYNOPSIS
       #include <unistd.h>

       int pause(void);

DESCRIPTION

       pause()  causes the calling process (or thread) to sleep until a signal
       is delivered that either terminates the process or causes  the  invoca‐
       tion of a signal-catching function.

RETURN VALUE
       pause()  only  returns when a signal was caught and the signal-catching
       function returned.  In this case pause() returns -1, and errno  is  set
       to EINTR.

ERRORS
       EINTR  a signal was caught and the signal-catching function returned.