pause (2) Linux Manual Page
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 invocation of a signal-catching function.Return Value
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.Errors
- EINTR
- a signal was caught and the signal-catching function returned.