/*
* 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 $ */
#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_ */
projects / apple / xnu.git / blobdiff