Added RO_BIT needed for new at_wini / fs flag

diff --git a/include/minix/const.h b/include/minix/const.h
index 304f7d576a65eda52905ffa15d7d6ab38f3e4c21..52c67e272286677320ffca0a97c622f9744c3cba 100755 (executable)
--- a/include/minix/const.h
+++ b/include/minix/const.h
@@ -111,6 +111,9 @@
 #define X_BIT           0000001        /* rwX protection bit */
 #define I_NOT_ALLOC     0000000        /* this inode is free */
 
+/* Flag used only in flags argument of dev_open. */
+#define RO_BIT         0200000 /* Open device readonly; fail if writable. */
+
 /* Some limits. */
 #define MAX_BLOCK_NR  ((block_t) 077777777)    /* largest block number */
 #define HIGHEST_ZONE   ((zone_t) 077777777)    /* largest zone number */