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-rw-r--r--lib/libc/sys/read.23
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/libc/sys/read.2 b/lib/libc/sys/read.2
index 2271141..badf49f 100644
--- a/lib/libc/sys/read.2
+++ b/lib/libc/sys/read.2
@@ -163,6 +163,9 @@ was negative.
.It Bq Er EAGAIN
The file was marked for non-blocking I/O,
and no data were ready to be read.
+.It Bq Er EPERM
+The file descriptor is associated with a non regular file
+(e.g. a directory) mounted over NFS.
.El
.Pp
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