NAME
sigpending
- get pending signals
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
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
ISO/IEC 9945-1:1990 (``POSIX.1'') .