NAME
sigpending —
get pending signals
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <signal.h>
int
sigpending(
sigset_t
*set);
DESCRIPTION
The
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 they are in transition before delivery (although the latter case is
not normally detectable).
RETURN VALUES
A 0 value indicates that the call succeeded. A -1 return value indicates an
error occurred and
errno is set to indicate the reason.
ERRORS
sigpending() will fail if:
-
-
- [
EFAULT
]
- set specifies an invalid
address.
SEE ALSO
sigaction(2),
sigprocmask(2),
signal(7)
STANDARDS
The
sigpending function conforms to
IEEE Std
1003.1-1990 (“POSIX.1”).