Manpages - pause.2

pause - wait for signal

  #include <unistd.h>

  int pause(void);

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

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

EINTR

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

POSIX.1-2001, POSIX.1-2008, SVr4, 4.3BSD.

*kill*(2), *select*(2), *signal*(2), *sigsuspend*(2)

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