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sigreturn.2 (108028) sigreturn.2 (108087)
1.\" Copyright (c) 1985, 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.

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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.\" @(#)sigreturn.2 8.1 (Berkeley) 6/4/93
1.\" Copyright (c) 1985, 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.\" @(#)sigreturn.2 8.1 (Berkeley) 6/4/93
33.\" $FreeBSD: head/lib/libc/sys/sigreturn.2 108028 2002-12-18 09:22:32Z ru $
33.\" $FreeBSD: head/lib/libc/sys/sigreturn.2 108087 2002-12-19 09:40:28Z ru $
34.\"
35.Dd June 4, 1993
36.Dt SIGRETURN 2
37.Os
38.Sh NAME
39.Nm sigreturn
40.Nd return from signal
41.Sh LIBRARY

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72.Sh ERRORS
73The
74.Fn sigreturn
75system call
76will fail and the process context will remain unchanged
77if one of the following occurs.
78.Bl -tag -width Er
79.It Bq Er EFAULT
34.\"
35.Dd June 4, 1993
36.Dt SIGRETURN 2
37.Os
38.Sh NAME
39.Nm sigreturn
40.Nd return from signal
41.Sh LIBRARY

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72.Sh ERRORS
73The
74.Fn sigreturn
75system call
76will fail and the process context will remain unchanged
77if one of the following occurs.
78.Bl -tag -width Er
79.It Bq Er EFAULT
80.Fa Scp
80The
81.Fa scp
82argument
81points to memory that is not a valid part of the process
82address space.
83.It Bq Er EINVAL
84The process status longword is invalid or would improperly
85raise the privilege level of the process.
86.El
87.Sh SEE ALSO
88.Xr sigvec 2 ,
89.Xr setjmp 3 ,
90.Xr ucontext 3
91.Sh HISTORY
92The
93.Fn sigreturn
94system call appeared in
95.Bx 4.3 .
83points to memory that is not a valid part of the process
84address space.
85.It Bq Er EINVAL
86The process status longword is invalid or would improperly
87raise the privilege level of the process.
88.El
89.Sh SEE ALSO
90.Xr sigvec 2 ,
91.Xr setjmp 3 ,
92.Xr ucontext 3
93.Sh HISTORY
94The
95.Fn sigreturn
96system call appeared in
97.Bx 4.3 .