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sigpending(2)
NAME
sigpending -- get pending signals
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <signal.h>
int
sigpending(sigset_t *set);
DESCRIPTION
The sigpending() system call returns a mask of the signals pending for
delivery to the calling process in the location indicated by set. Sig-
nals 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
sigaction(2), sigprocmask(2), sigsuspend(2), sigsetops(3)
STANDARDS
The sigpending() system call is expected to conform to ISO/IEC
9945-1:1990 (``POSIX.1'').
FreeBSD 5.4 January 12, 1994 FreeBSD 5.4
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