xnu-792.12.6.tar.gz

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

diff --git a/bsd/sys/syslimits.h b/bsd/sys/syslimits.h
index a43c854a1a5c1cf133aa1100ccf646b49e75c8e2..4555071093115d638820ae5c04982a7d7bd64fc4 100644 (file)
--- a/bsd/sys/syslimits.h
+++ b/bsd/sys/syslimits.h
@@ -1,23 +1,31 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
  * 
- * This 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 OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * 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.
+ *
+ * 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@
  */
 /*     $NetBSD: syslimits.h,v 1.15 1997/06/25 00:48:09 lukem Exp $     */
 
@@ -60,7 +68,11 @@
 #define _SYS_SYSLIMITS_H_
 
 #if !defined(_ANSI_SOURCE)
-#define        ARG_MAX            (64 * 1024)  /* max bytes for an exec function */
+/*
+ * Note: CHILD_MAX *must* be less than hard_maxproc, which is set at
+ * compile time; you *cannot* set it higher than the hard limit!!
+ */
+#define        ARG_MAX            (256 * 1024) /* max bytes for an exec function */
 #define        CHILD_MAX                  100  /* max simultaneous processes */
 #define        GID_MAX            2147483647U  /* max value for a gid_t (2^31-2) */
 #define        LINK_MAX                32767   /* max file link count */
@@ -73,10 +85,10 @@
 #define        PATH_MAX                 1024   /* max bytes in pathname */
 #define        PIPE_BUF                  512   /* max bytes for atomic pipe writes */
 
-#define        BC_BASE_MAX           INT_MAX   /* max ibase/obase values in bc(1) */
-#define        BC_DIM_MAX              65535   /* max array elements in bc(1) */
-#define        BC_SCALE_MAX          INT_MAX   /* max scale value in bc(1) */
-#define        BC_STRING_MAX         INT_MAX   /* max const string length in bc(1) */
+#define        BC_BASE_MAX                99   /* max ibase/obase values in bc(1) */
+#define        BC_DIM_MAX               2048   /* max array elements in bc(1) */
+#define        BC_SCALE_MAX               99   /* max scale value in bc(1) */
+#define        BC_STRING_MAX            1000   /* max const string length in bc(1) */
 #define        COLL_WEIGHTS_MAX            2   /* max weights for order keyword */
 #define        EQUIV_CLASS_MAX             2
 #define        EXPR_NEST_MAX              32   /* max expressions nested in expr(1) */