projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 9bccf70c A |
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 | |
| 2d21ac55 A |
48 | .Fo sigpending |
| 49 | .Fa "sigset_t *set" | |
| 50 | .Fc | |
| 9bccf70c A |
51 | .Sh DESCRIPTION |
| 52 | The | |
| 53 | .Nm sigpending | |
| 54 | function returns a mask of the signals pending for delivery | |
| 55 | to the calling process in the location indicated by | |
| 56 | .Fa set . | |
| 57 | Signals may be pending because they are currently masked, | |
| 58 | or transiently before delivery (although the latter case is not | |
| 59 | normally detectable). | |
| 60 | .Sh RETURN VALUES | |
| 61 | A 0 value indicated that the call succeeded. A \-1 return value | |
| 62 | indicates an error occurred and | |
| 63 | .Va errno | |
| 64 | is set to indicated the reason. | |
| 65 | .Sh ERRORS | |
| 66 | The | |
| 67 | .Nm sigpending | |
| 68 | function does not currently detect any errors. | |
| 69 | .Sh SEE ALSO | |
| 70 | .Xr sigaction 2 , | |
| 71 | .Xr sigprocmask 2 | |
| 72 | .Sh STANDARDS | |
| 73 | The | |
| 74 | .Nm sigpending | |
| 75 | function is defined by | |
| 76 | .St -p1003.1-88 . |