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-rw-r--r--lib/libc/sys/open.27
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/libc/sys/open.2 b/lib/libc/sys/open.2
index b7e40f8..7e36c24 100644
--- a/lib/libc/sys/open.2
+++ b/lib/libc/sys/open.2
@@ -274,9 +274,10 @@ The named file is a character special or block
special file, and the device associated with this special file
does not exist.
.It Bq Er ENXIO
-The named file is a fifo, no process has
-it open for reading, and the arguments specify it is
-to be opened for writing.
+.Dv O_NONBLOCK
+is set, the named file is a fifo,
+.Dv O_WRONLY
+is set, and no process has the file open for reading.
.It Bq Er EINTR
The
.Fn open
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