xnu-3789.31.2.tar.gz

[apple/xnu.git] / bsd / sys / msgbuf.h

diff --git a/bsd/sys/msgbuf.h b/bsd/sys/msgbuf.h
index e05b73e9ebc09bfe74dccdcea50a930ba8ae0421..5b8211cacaeb03ff8ef4655726f5695c79853b2d 100644 (file)
--- a/bsd/sys/msgbuf.h
+++ b/bsd/sys/msgbuf.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2010 Apple, Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -65,22 +65,24 @@
 
 #include <sys/cdefs.h>
 
-#define        MSG_BSIZE       4096
+#define        MAX_MSG_BSIZE   (1*1024*1024)
 struct msgbuf {
 #define        MSG_MAGIC       0x063061
-       long    msg_magic;
-       long    msg_size;
-       long    msg_bufx;               /* write pointer */
-       long    msg_bufr;               /* read pointer */
-       char    *msg_bufc;      /* buffer */
+       int             msg_magic;
+       int             msg_size;
+       int             msg_bufx;               /* write pointer */
+       int             msg_bufr;               /* read pointer */
+       char    *msg_bufc;              /* buffer */
 };
-#ifdef KERNEL
+
+#ifdef XNU_KERNEL_PRIVATE
 __BEGIN_DECLS
 extern struct  msgbuf *msgbufp;
 extern void log_putc(char);
 extern void log_putc_locked(char);
-extern void log_setsize(long size);
+extern int log_setsize(int size);
 extern int log_dmesg(user_addr_t, uint32_t, int32_t *);
 __END_DECLS
-#endif
+#endif /* XNU_KERNEL_PRIVATE */
+
 #endif /* !_SYS_MSGBUF_H_ */