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signal.7: Clarify text describing EINTR semantics for socket interfaces 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2014-05-27 18:32:16 +02:00
parent 9c0381af73
commit 8efc0168ad
1 changed files with 19 additions and 14 deletions
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33
man7/signal.7
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@ -717,29 +717,30 @@ when interrupted by a signal handler:
.\" on interruption by a signal handler. .\" on interruption by a signal handler.
.RS 4 .RS 4
.IP * 2 .IP * 2
Socket interfaces, when a timeout has been set on the socket using "Input" socket interfaces, when a timeout
.RB ( SO_RCVTIMEO )
has been set on the socket using
.BR setsockopt (2): .BR setsockopt (2):
.BR accept (2), .BR accept (2),
.BR recv (2), .BR recv (2),
.BR recvfrom (2), .BR recvfrom (2),
.BR recvmmsg (2) .BR recvmmsg (2)
(with a non-NULL (also with a non-NULL
.IR timeout .IR timeout
argument), argument),
and and
.BR recvmsg (2), .BR recvmsg (2).
if a receive timeout .IP *
"Output" socket interfaces, when a timeout
.RB ( SO_RCVTIMEO ) .RB ( SO_RCVTIMEO )
has been set; has been set on the socket using
.BR setsockopt (2):
.BR connect (2), .BR connect (2),
.BR send (2), .BR send (2),
.BR sendto (2), .BR sendto (2),
and and
.\" FIXME What about sendmmsg()? .\" FIXME What about sendmmsg()?
.BR sendmsg (2), .BR sendmsg (2).
if a send timeout
.RB ( SO_SNDTIMEO )
has been set.
.IP * .IP *
Interfaces used to wait for signals: Interfaces used to wait for signals:
.BR pause (2), .BR pause (2),
@ -796,20 +797,24 @@ on other systems.
The Linux interfaces that display this behavior are: The Linux interfaces that display this behavior are:
.RS 4 .RS 4
.IP * 2 .IP * 2
Socket interfaces, when a timeout has been set on the socket using "Input" socket interfaces, when a timeout
.RB ( SO_RCVTIMEO )
has been set on the socket using
.BR setsockopt (2): .BR setsockopt (2):
.BR accept (2), .BR accept (2),
.BR recv (2), .BR recv (2),
.BR recvfrom (2), .BR recvfrom (2),
.BR recvmmsg (2) .BR recvmmsg (2)
(with a non-NULL (also with a non-NULL
.IR timeout .IR timeout
argument), argument),
and and
.BR recvmsg (2), .BR recvmsg (2).
if a receive timeout .IP *
"Output" socket interfaces, when a timeout
.RB ( SO_RCVTIMEO ) .RB ( SO_RCVTIMEO )
has been set; has been set on the socket using
.BR setsockopt (2):
.BR connect (2), .BR connect (2),
.BR send (2), .BR send (2),
.BR sendto (2), .BR sendto (2),