diff options
| -rw-r--r-- | lib/libc/sys/fcntl.2 | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/libc/sys/fcntl.2 b/lib/libc/sys/fcntl.2 index 2f70e72..41184b3 100644 --- a/lib/libc/sys/fcntl.2 +++ b/lib/libc/sys/fcntl.2 @@ -335,7 +335,13 @@ Note that .Xr flock 2 and .Xr fcntl 2 -locks may be safely used concurrently. +locks may be safely used concurrently but +.Fn fcntl F_GETLK +returns \-1 in +.Fa l_pid +if the process holding a blocking lock previously locked the +file descriptor by +.Xr flock 2 . .Pp All locks associated with a file for a given process are removed when the process terminates. |
