diff options
| -rw-r--r-- | man5/proc_pid_io.5 | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/man5/proc_pid_io.5 b/man5/proc_pid_io.5 index 1948fff18..58fd9a5ab 100644 --- a/man5/proc_pid_io.5 +++ b/man5/proc_pid_io.5 @@ -84,11 +84,10 @@ will not be happening. .RE .IP .IR Note : -In the current implementation, things are a bit racy on 32-bit systems: -if process A reads process B's -.IR /proc/ pid /io -while process B is updating one of these 64-bit counters, -process A could see an intermediate result. +these counters are not atomic: +on systems where 64-bit integer operations may tear, +a counter could be updated simultaneously with a read, +yielding an incorrect intermediate value. .IP Permission to access this file is governed by .BR ptrace (2) |