xnu-7195.50.7.100.1.tar.gz

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

diff --git a/bsd/sys/syslimits.h b/bsd/sys/syslimits.h
index 8d2fd1b11db906ce32580d8e7b1ae76e1c8d42e9..c43ab47307bc92a8f1560aee0eb1c2c1b6bfee5c 100644 (file)
--- a/bsd/sys/syslimits.h
+++ b/bsd/sys/syslimits.h
@@ -1,15 +1,20 @@
 /*
  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *
 /*
  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *

- * @APPLE_LICENSE_HEADER_START@
- * 
+ * @APPLE_OSREFERENCE_LICENSE_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
  * 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.
- * 
+ * 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,
  * 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,


@@ -17,8 +22,8 @@
  * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.

- * 
- * @APPLE_LICENSE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /*     $NetBSD: syslimits.h,v 1.15 1997/06/25 00:48:09 lukem Exp $     */
 
  */
 /*     $NetBSD: syslimits.h,v 1.15 1997/06/25 00:48:09 lukem Exp $     */
 


@@ -60,33 +65,69 @@
 #ifndef _SYS_SYSLIMITS_H_
 #define _SYS_SYSLIMITS_H_
 
 #ifndef _SYS_SYSLIMITS_H_
 #define _SYS_SYSLIMITS_H_
 

+#include <sys/cdefs.h>
+

 #if !defined(_ANSI_SOURCE)
 #if !defined(_ANSI_SOURCE)

+
+/* max bytes for an exec function */
+#ifdef XNU_KERNEL_PRIVATE
+#if defined(XNU_TARGET_OS_OSX)
+#define ARG_MAX           (1024 * 1024)
+#else
+#define ARG_MAX            (256 * 1024)
+#endif
+#else /* XNU_KERNEL_PRIVATE */
+#if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__)
+#define ARG_MAX           (1024 * 1024)
+#else
+#define ARG_MAX            (256 * 1024)
+#endif
+#endif /* XNU_KERNEL_PRIVATE */
+

 /*
  * Note: CHILD_MAX *must* be less than hard_maxproc, which is set at
  * compile time; you *cannot* set it higher than the hard limit!!
  */
 /*
  * 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 */
-#define        MAX_CANON                 255   /* max bytes in term canon input line */
-#define        MAX_INPUT                 255   /* max bytes in terminal input */
-#define        NAME_MAX                  255   /* max bytes in a file name */
-#define        NGROUPS_MAX                16   /* max supplemental group id's */
-#define        UID_MAX            2147483647U  /* max value for a uid_t (2^31-2) */
-#define        OPEN_MAX                10240   /* max open files per process */
-#define        PATH_MAX                 1024   /* max bytes in pathname */
-#define        PIPE_BUF                  512   /* max bytes for atomic pipe writes */

 
 

-#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) */
-#define        LINE_MAX                 2048   /* max bytes in an input line */
-#define        RE_DUP_MAX                255   /* max RE's in interval notation */
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+#define CHILD_MAX                  266  /* max simultaneous processes */
+#define GID_MAX            2147483647U  /* max value for a gid_t (2^31-2) */
+#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
+#define LINK_MAX                32767   /* max file link count */
+#define MAX_CANON                1024   /* max bytes in term canon input line */
+#define MAX_INPUT                1024   /* max bytes in terminal input */
+#define NAME_MAX                  255   /* max bytes in a file name */
+#define NGROUPS_MAX                16   /* max supplemental group id's */
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+#define UID_MAX            2147483647U  /* max value for a uid_t (2^31-2) */
+
+#define OPEN_MAX                10240   /* max open files per process - todo, make a config option? */
+
+#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
+#define PATH_MAX                 1024   /* max bytes in pathname */
+#define PIPE_BUF                  512   /* max bytes for atomic pipe writes */
+
+#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 CHARCLASS_NAME_MAX         14   /* max character class name size */
+#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) */
+#define LINE_MAX                 2048   /* max bytes in an input line */
+#define RE_DUP_MAX                255   /* max RE's in interval notation */
+
+#if __DARWIN_UNIX03
+#define NZERO                      20   /* default priority [XSI] */
+                                        /* = ((PRIO_MAX - PRIO_MIN) / 2) + 1 */
+                                        /* range: 0 - 39 [(2 * NZERO) - 1] */
+                                        /* 0 is not actually used */
+#else /* !__DARWIN_UNIX03 */
+#define NZERO                       0   /* default priority */
+                                        /* range: -20 - 20 */
+                                        /* (PRIO_MIN - PRIO_MAX) */
+#endif /* __DARWIN_UNIX03 */

 #endif /* !_ANSI_SOURCE */
 
 #endif /* !_SYS_SYSLIMITS_H_ */
 #endif /* !_ANSI_SOURCE */
 
 #endif /* !_SYS_SYSLIMITS_H_ */