System Grab Bag

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Name

pause - wait for signal

Library

Standard C library ( libc ", " -lc )

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.

Standards

POSIX.1-2008.

History

POSIX.1-2001, SVr4, 4.3BSD.

See Also

  1. kill(2),
  2. select(2),
  3. signal(2),
  4. sigsuspend(2)