xnu-6153.41.3.tar.gz

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

diff --git a/bsd/sys/msgbuf.h b/bsd/sys/msgbuf.h
index 6b21bcd2f5d31ba12cf36aef1d4a75a651af2abe..a4bfa51e0e8c42d22f853a0623c331ac8db47e73 100644 (file)
--- a/bsd/sys/msgbuf.h
+++ b/bsd/sys/msgbuf.h
@@ -1,31 +1,29 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2010 Apple, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
- * 
- * This file contains Original Code and/or Modifications of Original Code 
- * as defined in and that are subject to the Apple Public Source License 
- * Version 2.0 (the 'License'). You may not use this file except in 
- * compliance with the License.  The rights granted to you under the 
- * License may not be used to create, or enable the creation or 
- * redistribution of, unlawful or unlicensed copies of an Apple operating 
- * system, or to circumvent, violate, or enable the circumvention or 
- * violation of, any terms of an Apple operating system software license 
- * agreement.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
- * Please obtain a copy of the License at 
- * http://www.opensource.apple.com/apsl/ and read it before using this 
- * file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
  *
- * The Original Code and all software distributed under the License are 
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
- * Please see the License for the specific language governing rights and 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
  * limitations under the License.
  *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
 /*
@@ -62,19 +60,30 @@
  *
  *     @(#)msgbuf.h    8.1 (Berkeley) 6/2/93
  */
-#ifndef        _SYS_MSGBUF_H_
+#ifndef _SYS_MSGBUF_H_
 #define _SYS_MSGBUF_H_
 
-#define        MSG_BSIZE       (4096 - 3 * sizeof(long))
-struct msgbuf {
-#define        MSG_MAGIC       0x063061
-       long    msg_magic;
-       long    msg_bufx;               /* write pointer */
-       long    msg_bufr;               /* read pointer */
-       char    msg_bufc[MSG_BSIZE];    /* buffer */
+#include <sys/cdefs.h>
+
+#define MAX_MSG_BSIZE   (1*1024*1024)
+struct  msgbuf {
+#define MSG_MAGIC       0x063061
+       int             msg_magic;
+       int             msg_size;
+       int             msg_bufx;               /* write pointer */
+       int             msg_bufr;               /* read pointer */
+       char    *msg_bufc;              /* buffer */
 };
-#ifdef KERNEL
-extern struct  msgbuf *msgbufp;
+
+#ifdef XNU_KERNEL_PRIVATE
+__BEGIN_DECLS
+extern struct   msgbuf *msgbufp;
+extern struct   msgbuf *aslbufp;
 extern void log_putc(char);
-#endif
-#endif /* !_SYS_MSGBUF_H_ */
+extern void log_putc_locked(struct msgbuf *, char);
+extern int log_setsize(int size);
+extern int log_dmesg(user_addr_t, uint32_t, int32_t *);
+__END_DECLS
+#endif /* XNU_KERNEL_PRIVATE */
+
+#endif  /* !_SYS_MSGBUF_H_ */