xnu-792.6.22.tar.gz

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

diff --git a/bsd/sys/syslimits.h b/bsd/sys/syslimits.h
index 54f538e54fcb262d64afadd733e2d3eb96b70ccb..187fd0791eb5d51763ac20e18c56e22760fcb54f 100644 (file)
--- a/bsd/sys/syslimits.h
+++ b/bsd/sys/syslimits.h
@@ -3,22 +3,19 @@
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * 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.
  * 
- * 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. 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
+ * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * 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_HEADER_END@
  */
@@ -63,7 +60,11 @@
 #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 */
@@ -76,10 +77,10 @@
 #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) */