1.\" $NetBSD: sigpending.2,v 1.2 1995/02/27 12:37:26 cgd Exp $ 2.\" 3.\" Copyright (c) 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" This code is derived from software contributed to Berkeley by 7.\" Berkeley Software Design, Inc. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 3. All advertising materials mentioning features or use of this software 18.\" must display the following acknowledgement: 19.\" This product includes software developed by the University of 20.\" California, Berkeley and its contributors. 21.\" 4. Neither the name of the University nor the names of its contributors 22.\" may be used to endorse or promote products derived from this software 23.\" without specific prior written permission. 24.\" 25.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35.\" SUCH DAMAGE. 36.\" 37.\" @(#)sigpending.2 8.3 (Berkeley) 1/12/94 38.\" 39.Dd January 12, 1994 40.Dt SIGPENDING 2 41.Os 42.Sh NAME 43.Nm sigpending 44.Nd get pending signals 45.Sh SYNOPSIS 46.Fd #include <signal.h> 47.Ft int 48.Fn sigpending "sigset_t *set" 49.Sh DESCRIPTION 50The 51.Nm sigpending 52function returns a mask of the signals pending for delivery 53to the calling process in the location indicated by 54.Fa set . 55Signals may be pending because they are currently masked, 56or transiently before delivery (although the latter case is not 57normally detectable). 58.Sh RETURN VALUES 59A 0 value indicated that the call succeeded. A \-1 return value 60indicates an error occurred and 61.Va errno 62is set to indicated the reason. 63.Sh ERRORS 64The 65.Nm sigpending 66function does not currently detect any errors. 67.Sh SEE ALSO 68.Xr sigaction 2 , 69.Xr sigprocmask 2 70.Sh STANDARDS 71The 72.Nm sigpending 73function is defined by 74.St -p1003.1-88 . 75