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-rw-r--r--include/ouroboros/fccntl.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/ouroboros/fccntl.h b/include/ouroboros/fccntl.h
index 3bd09e65..afaff8fa 100644
--- a/include/ouroboros/fccntl.h
+++ b/include/ouroboros/fccntl.h
@@ -35,7 +35,10 @@
#define FLOWFDOWN 00000004 /* Flow is down */
-#define FLOWFNONBLOCK 00004000 /* Non-blocking flow */
+#define FLOWFRNOBLOCK 00001000 /* Non-blocking read */
+#define FLOWFWNOBLOCK 00002000 /* Non-blocking write */
+#define FLOWFNONBLOCK 00003000 /* Non-blocking rw */
+
#define FLOWFDEFAULT 00000002 /* Default, blocking, rw */
#define FLOWFINVALID (FLOWFWRONLY | FLOWFRDWR)