Update header files to support UNIX Domain Sockets. Contributed by Thomas Cort

include/minix/const.h

@@ -131,6 +131,7 @@
 
 /* Flag bits for i_mode in the inode. */
 #define I_TYPE          0170000	/* this field gives inode type */
+#define I_UNIX_SOCKET	0140000 /* unix domain socket */
 #define I_SYMBOLIC_LINK 0120000	/* file is a symbolic link */
 #define I_REGULAR       0100000	/* regular file, not dir or special */
 #define I_BLOCK_SPECIAL 0060000	/* block special file */

include/minix/dmap.h

@@ -34,6 +34,7 @@ enum dev_style { STYLE_NDEV, STYLE_DEV, STYLE_DEVA, STYLE_TTY, STYLE_CTTY,
 #define LOG_MAJOR		  15	/* 15 = /dev/klog   (log driver)      */
 #define RANDOM_MAJOR		  16	/* 16 = /dev/random (random driver)   */
 #define HELLO_MAJOR		  17	/* 17 = /dev/hello  (hello driver)    */
+#define UDS_MAJOR		  18	/* 18 = /dev/uds    (pfs)             */
 
 
 /* Minor device numbers for memory driver. */

include/minix/vfsif.h

@@ -117,5 +117,7 @@ typedef struct {
 
 #define NREQS                   33
 
+#define IS_VFS_RQ(type) (((type) & ~0xff) == VFS_BASE)
+
 #endif