NAME
sigpending —
get pending signals
LIBRARY
library “libc”
SYNOPSIS
#include
<signal.h>
int
sigpending(sigset_t
*set);
DESCRIPTION
Thesigpending()
system call returns a mask of the signals pending for delivery to the calling
thread or 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).
RETURN VALUES
The sigpending() function returns the
value 0 if successful; otherwise the value -1 is returned and
the global variable errno is set to indicate the
error.
ERRORS
The sigpending() system call will fail
if:
- [
EFAULT] - The set argument specified an invalid address.
SEE ALSO
STANDARDS
The sigpending() system call is expected
to conform to IEEE Std 1003.1-1990
(“POSIX.1”).