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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-24 04:52:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-24 04:52:22 +0000
commit3d08cd331c1adcf0d917392f7e527b3f00511748 (patch)
tree312f0d1e1632f48862f044b8bb87e602dcffb5f9 /man3/siginterrupt.3
parentAdding debian version 6.7-2. (diff)
downloadmanpages-3d08cd331c1adcf0d917392f7e527b3f00511748.tar.xz
manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.zip
Merging upstream version 6.8.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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-'\" t
-.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
-.\"
-.\" SPDX-License-Identifier: Linux-man-pages-copyleft
-.\"
-.\" References consulted:
-.\" Linux libc source code
-.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
-.\" 386BSD man pages
-.\" Modified Sun Jul 25 10:40:51 1993 by Rik Faith (faith@cs.unc.edu)
-.\" Modified Sun Apr 14 16:20:34 1996 by Andries Brouwer (aeb@cwi.nl)
-.TH siginterrupt 3 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-siginterrupt \- allow signals to interrupt system calls
-.SH LIBRARY
-Standard C library
-.RI ( libc ", " \-lc )
-.SH SYNOPSIS
-.nf
-.B #include <signal.h>
-.P
-.BI "[[deprecated]] int siginterrupt(int " sig ", int " flag );
-.fi
-.P
-.RS -4
-Feature Test Macro Requirements for glibc (see
-.BR feature_test_macros (7)):
-.RE
-.P
-.BR siginterrupt ():
-.nf
- _XOPEN_SOURCE >= 500
-.\" || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED
- || /* Since glibc 2.12: */ _POSIX_C_SOURCE >= 200809L
- || /* glibc <= 2.19: */ _BSD_SOURCE
-.fi
-.SH DESCRIPTION
-The
-.BR siginterrupt ()
-function changes the restart behavior when
-a system call is interrupted by the signal \fIsig\fP.
-If the \fIflag\fP
-argument is false (0), then system calls will be restarted if interrupted
-by the specified signal \fIsig\fP.
-This is the default behavior in Linux.
-.P
-If the \fIflag\fP argument is true (1) and no data has been transferred,
-then a system call interrupted by the signal \fIsig\fP will return \-1
-and \fIerrno\fP will be set to
-.BR EINTR .
-.P
-If the \fIflag\fP argument is true (1) and data transfer has started,
-then the system call will be interrupted and will return the actual
-amount of data transferred.
-.SH RETURN VALUE
-The
-.BR siginterrupt ()
-function returns 0 on success.
-It returns \-1 if the
-signal number
-.I sig
-is invalid, with
-.I errno
-set to indicate the error.
-.SH ERRORS
-.TP
-.B EINVAL
-The specified signal number is invalid.
-.SH ATTRIBUTES
-For an explanation of the terms used in this section, see
-.BR attributes (7).
-.TS
-allbox;
-lb lb lbx
-l l l.
-Interface Attribute Value
-T{
-.na
-.nh
-.BR siginterrupt ()
-T} Thread safety T{
-.na
-.nh
-MT-Unsafe const:sigintr
-T}
-.TE
-.SH STANDARDS
-POSIX.1-2008.
-.SH HISTORY
-4.3BSD, POSIX.1-2001.
-Obsolete in POSIX.1-2008,
-recommending the use of
-.BR sigaction (2)
-with the
-.B SA_RESTART
-flag instead.
-.SH SEE ALSO
-.BR signal (2)