|SIGPENDING(2)||System Calls Manual||SIGPENDING(2)|
sigpending — get
sigpending function returns a mask of
the signals pending for delivery to the calling process in the location
indicated by set. Signals may be pending because they
are currently masked, or transiently before delivery (although the latter
case is not normally detectable).
A 0 value indicated that the call succeeded. A -1 return value indicates an error occurred and errno is set to indicated the reason.
sigpending function does not currently
detect any errors.
sigpending function is defined by
IEEE Std 1003.1-1988 (“POSIX.1”).
|January 12, 1994||macOS 14.1|