perf tools: Handle EINTR error for readn/writen
authorNamhyung Kim <namhyung@kernel.org>
Thu, 24 Apr 2014 13:27:32 +0000 (22:27 +0900)
committerJiri Olsa <jolsa@kernel.org>
Tue, 29 Apr 2014 12:26:30 +0000 (14:26 +0200)
commite148c76083dc06ce618d768c0bee0a0edda96a54
tree6c044eb662edb540d246a8417d7c2133cc98233b
parent201131998fbf074b03679afedcc29948e63331ef
perf tools: Handle EINTR error for readn/writen

Those readn/writen functions are to ensure read/write does I/O for
a given size exactly.  But ion() - its implementation - does not
handle in case it returns prematurely due to a signal.  As it's not
an error itself so just retry the operation.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1398346054-3322-1-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
tools/perf/util/util.c