| sigsetmask.2 (84306) | sigsetmask.2 (108037) |
|---|---|
| 1.\" Copyright (c) 1983, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)sigsetmask.2 8.1 (Berkeley) 6/2/93 | 1.\" Copyright (c) 1983, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)sigsetmask.2 8.1 (Berkeley) 6/2/93 |
| 33.\" $FreeBSD: head/lib/libc/compat-43/sigsetmask.2 84306 2001-10-01 16:09:29Z ru $ | 33.\" $FreeBSD: head/lib/libc/compat-43/sigsetmask.2 108037 2002-12-18 12:45:11Z ru $ |
| 34.\" 35.Dd June 2, 1993 36.Dt SIGSETMASK 2 37.Os 38.Sh NAME 39.Nm sigsetmask , 40.Nm sigblock 41.Nd manipulate current signal mask --- 8 unchanged lines hidden (view full) --- 50.Ft int 51.Fn sigmask "int signum" 52.Sh DESCRIPTION 53.Bf -symbolic 54This interface is made obsolete by: 55.Ef 56.Xr sigprocmask 2 . 57.Pp | 34.\" 35.Dd June 2, 1993 36.Dt SIGSETMASK 2 37.Os 38.Sh NAME 39.Nm sigsetmask , 40.Nm sigblock 41.Nd manipulate current signal mask --- 8 unchanged lines hidden (view full) --- 50.Ft int 51.Fn sigmask "int signum" 52.Sh DESCRIPTION 53.Bf -symbolic 54This interface is made obsolete by: 55.Ef 56.Xr sigprocmask 2 . 57.Pp |
| 58.Fn Sigsetmask | 58The 59.Fn sigsetmask 60function |
| 59sets the current signal mask to the specified 60.Fa mask . 61Signals are blocked from delivery if the corresponding bit in 62.Fa mask 63is a 1. | 61sets the current signal mask to the specified 62.Fa mask . 63Signals are blocked from delivery if the corresponding bit in 64.Fa mask 65is a 1. |
| 64.Fn Sigblock | 66The 67.Fn sigblock 68function |
| 65adds the signals in the specified 66.Fa mask 67to the current signal mask, 68rather than overwriting it as 69.Fn sigsetmask 70does. 71The macro 72.Fn sigmask 73is provided to construct the mask for a given 74.Fa signum . 75.Pp 76The system 77quietly disallows 78.Dv SIGKILL 79or 80.Dv SIGSTOP 81to be blocked. 82.Sh RETURN VALUES | 69adds the signals in the specified 70.Fa mask 71to the current signal mask, 72rather than overwriting it as 73.Fn sigsetmask 74does. 75The macro 76.Fn sigmask 77is provided to construct the mask for a given 78.Fa signum . 79.Pp 80The system 81quietly disallows 82.Dv SIGKILL 83or 84.Dv SIGSTOP 85to be blocked. 86.Sh RETURN VALUES |
| 83.Fn Sigblock | 87The 88.Fn sigblock |
| 84and 85.Fn sigsetmask | 89and 90.Fn sigsetmask |
| 91functions |
|
| 86return the previous set of masked signals. 87.Sh SEE ALSO 88.Xr kill 2 , 89.Xr sigaction 2 , 90.Xr sigprocmask 2 , 91.Xr sigsuspend 2 , 92.Xr sigvec 2 , 93.Xr sigsetops 3 94.Sh HISTORY 95The 96.Fn sigsetmask 97and 98.Fn sigblock | 92return the previous set of masked signals. 93.Sh SEE ALSO 94.Xr kill 2 , 95.Xr sigaction 2 , 96.Xr sigprocmask 2 , 97.Xr sigsuspend 2 , 98.Xr sigvec 2 , 99.Xr sigsetops 3 100.Sh HISTORY 101The 102.Fn sigsetmask 103and 104.Fn sigblock |
| 99function calls first appeared in | 105functions first appeared in |
| 100.Bx 4.2 101and have been deprecated. | 106.Bx 4.2 107and have been deprecated. |