LDP
/
man-pages
mirror of https://github.com/mkerrisk/man-pages
0
1
Fork 0
Code Releases Activity

signal.7: Clarify that I/O operations on disks are not interrupted by signals 

See https://bugzilla.kernel.org/show_bug.cgi?id=97721

Reported-by: Steinar H. Gunderson <sgunderson@bigfoot.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2015-05-05 16:45:11 +02:00
parent fee59977e0
commit ae1c1caab7
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
man7/signal.7
View File

@ -666,11 +666,12 @@ and
calls on "slow" devices.
A "slow" device is one where the I/O call may block for an
indefinite time, for example, a terminal, pipe, or socket.
(A disk is not a slow device according to this definition.)
If an I/O call on a slow device has already transferred some
data by the time it is interrupted by a signal handler,
then the call will return a success status
(normally, the number of bytes transferred).
Note that a (local) disk is not a slow device according to this definition;
I/O operations on disk devices are not interrupted by signals.
.IP *
.BR open (2),
if it can block (e.g., when opening a FIFO; see