X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/8ada7518907e7606a28baac85840a5c56a010c5e..14175f1e7700e4e800692fc2c466cbd27a60176e:/rsync.h

diff --git a/rsync.h b/rsync.h
index a4b7e812..f9f0fd4f 100644
--- a/rsync.h
+++ b/rsync.h
@@ -457,6 +457,15 @@ extern int errno;
 #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
 #endif
 
+/* work out what fcntl flag to use for non-blocking */
+#ifdef O_NONBLOCK
+# define NONBLOCK_FLAG O_NONBLOCK
+#elif defined(SYSV)
+# define NONBLOCK_FLAG O_NDELAY
+#else 
+# define NONBLOCK_FLAG FNDELAY
+#endif
+
 
 #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode))