Several constants have been missing in the SysV IPC header files that

are recommended by the literature.

Fixes PR# misc/575: constants in sys/sem.h...

Submitted by:	daveho@infocom.com (Dave Hovemeyer)

2 files changed, 14 insertions, 7 deletions

diff --git a/sys/sys/sem.h b/sys/sys/sem.h
index ef08f4e..1efd4c9 100644
--- a/sys/sys/sem.h
+++ b/sys/sys/sem.h
@@ -1,4 +1,4 @@
-/* $Id: sem.h,v 1.2 1994/09/17 13:24:28 davidg Exp $ */
+/* $Id: sem.h,v 1.3 1995/03/28 07:57:35 bde Exp $ */
 /*	$NetBSD: sem.h,v 1.5 1994/06/29 06:45:15 cgd Exp $	*/
 
 /*
@@ -64,6 +64,12 @@ union semun {
 #define SETVAL	8	/* Set the value of semval to arg.val {ALTER} */
 #define SETALL	9	/* Set semvals from arg.array {ALTER} */
 
+/*
+ * Permissions
+ */
+#define SEM_A		0200	/* alter permission */
+#define SEM_R		0400	/* read permission */
+
 #ifdef KERNEL
 /*
  * Kernel implementation stuff
@@ -71,11 +77,6 @@ union semun {
 #define SEMVMX	32767		/* semaphore maximum value */
 #define SEMAEM	16384		/* adjust on exit max value */
 
-/*
- * Permissions
- */
-#define SEM_A		0200	/* alter permission */
-#define SEM_R		0400	/* read permission */
 
 /*
  * Undo structure (one per process)
diff --git a/sys/sys/shm.h b/sys/sys/shm.h
index 710ad44..4053445 100644
--- a/sys/sys/shm.h
+++ b/sys/sys/shm.h
@@ -1,4 +1,4 @@
-/* $Id: shm.h,v 1.2 1994/09/17 13:24:29 davidg Exp $ */
+/* $Id: shm.h,v 1.3 1994/10/02 17:24:54 phk Exp $ */
 /*	$NetBSD: shm.h,v 1.15 1994/06/29 06:45:17 cgd Exp $	*/
 
 /*
@@ -45,6 +45,12 @@
 #define SHM_RND     020000  /* Round attach address to SHMLBA */
 #define SHMLBA      CLBYTES /* Segment low boundry address multiple */
 
+/* "official" access mode definitions; somewhat braindead since you have
+   to specify (SHM_* >> 3) for group and (SHM_* >> 6) for world permissions */
+#define SHM_R       (IPC_R)
+#define SHM_W       (IPC_W)
+
+
 struct shmid_ds {
 	struct ipc_perm shm_perm;	/* operation permission structure */
 	int             shm_segsz;	/* size of segment in bytes */