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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2008-10-16 20:36:27 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2008-10-29 14:54:10 -0500 |
| commit | 4f6d71a1fc90b1efb40bb095526a428d94d4956f (patch) | |
| tree | cd32f20bad869894f67ccb245f6744cf7daceae7 /man7/signal.7 | |
| parent | 132249c4960dfa85c92865277708e301b0ec2eb0 (diff) | |
| download | man-pages-4f6d71a1fc90b1efb40bb095526a428d94d4956f.tar.gz | |
signal.7: Timeouts make socket interfaces non-restartable
If setsockopt() is used to set a timeout on a socket(),
then the various socket interfaces are not automatically
restarted, even if SA_RESTART is specified when
establishing the signal handler. Analogous behavior occurs
for the "stop signals" case.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Reported-by: Didier <did447@gmail.com>
Diffstat (limited to 'man7/signal.7')
| -rw-r--r-- | man7/signal.7 | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/man7/signal.7 b/man7/signal.7 index e4dd25f549..b8b9df0efc 100644 --- a/man7/signal.7 +++ b/man7/signal.7 @@ -41,7 +41,7 @@ .\" Added section on stop/cont signals interrupting syscalls. .\" 2008-10-05, mtk: various additions .\" -.TH SIGNAL 7 2008-10-05 "Linux" "Linux Programmer's Manual" +.TH SIGNAL 7 2008-10-15 "Linux" "Linux Programmer's Manual" .SH NAME signal \- overview of signals .SH DESCRIPTION @@ -665,7 +665,8 @@ Socket interfaces: .BR send (2), .BR sendto (2), and -.BR sendmsg (2). +.BR sendmsg (2), +unless a timeout has been set on the socket (see below). .IP * File locking interfaces: .BR flock (2) @@ -704,6 +705,25 @@ when interrupted by a signal handler: .\" on interruption by a signal handler. .RS 4 .IP * 2 +Socket interfaces, when a timeout has been set on the socket using +.BR setsockopt (2): +.BR accept (2), +.BR recv (2), +.BR recvfrom (2), +and +.BR recvmsg (2), +if a receive timeout +.RB ( SO_RCVTIMEO ) +has been set; +.BR connect (2), +.BR send (2), +.BR sendto (2), +and +.BR sendmsg (2), +if a send timeout +.RB ( SO_SNDTIMEO ) +has been set. +.IP * Interfaces used to wait for signals: .BR pause (2), .BR sigsuspend (2), @@ -759,6 +779,25 @@ on other systems. The Linux interfaces that display this behavior are: .RS 4 .IP * 2 +Socket interfaces, when a timeout has been set on the socket using +.BR setsockopt (2): +.BR accept (2), +.BR recv (2), +.BR recvfrom (2), +and +.BR recvmsg (2), +if a receive timeout +.RB ( SO_RCVTIMEO ) +has been set; +.BR connect (2), +.BR send (2), +.BR sendto (2), +and +.BR sendmsg (2), +if a send timeout +.RB ( SO_SNDTIMEO ) +has been set. +.IP * 2 .BR epoll_wait (2), .BR epoll_pwait (2). .IP * |