X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/1c79356b52d46aa6b508fb032f5ae709b1f2897b..f427ee49d309d8fc33ebf3042c3a775f2f530ded:/bsd/sys/syslimits.h

diff --git a/bsd/sys/syslimits.h b/bsd/sys/syslimits.h
index a43c854a1..c43ab4730 100644
--- a/bsd/sys/syslimits.h
+++ b/bsd/sys/syslimits.h
@@ -1,23 +1,29 @@
 /*
  * 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.
- * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @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
+ * 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 OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*	$NetBSD: syslimits.h,v 1.15 1997/06/25 00:48:09 lukem Exp $	*/
 
@@ -59,29 +65,69 @@
 #ifndef _SYS_SYSLIMITS_H_
 #define _SYS_SYSLIMITS_H_
 
+#include <sys/cdefs.h>
+
 #if !defined(_ANSI_SOURCE)
-#define	ARG_MAX		   (64 * 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	      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	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 */
+/* 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!!
+ */
+
+#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_ */