System V IPC code from Danny Boulet, chewed on a bit by the NetBSD group

[unix-history] / sys / conf / param.c

diff --git a/sys/conf/param.c b/sys/conf/param.c
index 260d8fc..5e93d1a 100644 (file)
--- a/sys/conf/param.c
+++ b/sys/conf/param.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *     from: @(#)param.c       7.20 (Berkeley) 6/27/91
  * SUCH DAMAGE.
  *
  *     from: @(#)param.c       7.20 (Berkeley) 6/27/91

- *     $Id: param.c,v 1.3 1993/10/16 16:31:57 rgrimes Exp $
+ *     $Id: param.c,v 1.4 1993/11/07 17:38:29 wollman Exp $

  */
 
 #include "sys/param.h"
  */
 
 #include "sys/param.h"


@@ -49,6 +49,12 @@
 #include "machine/vmparam.h"
 #include "sys/shm.h"
 #endif
 #include "machine/vmparam.h"
 #include "sys/shm.h"
 #endif

+#ifdef SYSVSEM
+#include "sys/sem.h"
+#endif
+#ifdef SYSVMSG
+#include "sys/msg.h"
+#endif

 
 /*
  * System parameter formulae.
 
 /*
  * System parameter formulae.


@@ -102,6 +108,43 @@ struct     shminfo shminfo = {
 };
 #endif
 
 };
 #endif
 

+/*
+ * Values in support of System V compatible semaphores.
+ */
+
+#ifdef SYSVSEM
+
+struct seminfo seminfo = {
+                SEMMAP,         /* # of entries in semaphore map */
+                SEMMNI,         /* # of semaphore identifiers */
+                SEMMNS,         /* # of semaphores in system */
+                SEMMNU,         /* # of undo structures in system */
+                SEMMSL,         /* max # of semaphores per id */
+                SEMOPM,         /* max # of operations per semop call */
+                SEMUME,         /* max # of undo entries per process */
+                SEMUSZ,         /* size in bytes of undo structure */
+                SEMVMX,         /* semaphore maximum value */
+                SEMAEM          /* adjust on exit max value */
+};
+#endif
+
+/*
+ * Values in support of System V compatible messages.
+ */
+
+#ifdef SYSVMSG
+
+struct msginfo msginfo = {
+                MSGMAX,         /* max chars in a message */
+                MSGMNI,         /* # of message queue identifiers */
+                MSGMNB,         /* max chars in a queue */
+                MSGTQL,         /* max messages in system */
+                MSGSSZ,         /* size of a message segment */
+                               /* (must be small power of 2 greater than 4) */
+                MSGSEG          /* number of message segments */
+};
+#endif
+

 /*
  * These are initialized at bootstrap time
  * to values dependent on memory size
 /*
  * These are initialized at bootstrap time
  * to values dependent on memory size