[thirdparty/glibc.git] / nptl / sysdeps / unix / sysv / linux / bits / local_lim.h

/* Minimum guaranteed maximum values for system limits.  Linux version.
   Copyright (C) 1993-1998,2000,2002,2003,2004 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public License as
   published by the Free Software Foundation; either version 2.1 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

/* The kernel header pollutes the namespace with the NR_OPEN symbol
   and defines LINK_MAX although filesystems have different maxima.  A
   similar thing is true for OPEN_MAX: the limit can be changed at
   runtime and therefore the macro must not be defined.  Remove this
   after including the header if necessary.  */
#ifndef NR_OPEN
# define __undef_NR_OPEN
#endif
#ifndef LINK_MAX
# define __undef_LINK_MAX
#endif
#ifndef OPEN_MAX
# define __undef_OPEN_MAX
#endif

/* The kernel sources contain a file with all the needed information.  */
#include <linux/limits.h>

/* Have to remove NR_OPEN?  */
#ifdef __undef_NR_OPEN
# undef NR_OPEN
# undef __undef_NR_OPEN
#endif
/* Have to remove LINK_MAX?  */
#ifdef __undef_LINK_MAX
# undef LINK_MAX
# undef __undef_LINK_MAX
#endif
/* Have to remove OPEN_MAX?  */
#ifdef __undef_OPEN_MAX
# undef OPEN_MAX
# undef __undef_OPEN_MAX
#endif

/* The number of data keys per process.  */
#define _POSIX_THREAD_KEYS_MAX	128
/* This is the value this implementation supports.  */
#define PTHREAD_KEYS_MAX	1024

/* Controlling the iterations of destructors for thread-specific data.  */
#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS	4
/* Number of iterations this implementation does.  */
#define PTHREAD_DESTRUCTOR_ITERATIONS	_POSIX_THREAD_DESTRUCTOR_ITERATIONS

/* The number of threads per process.  */
#define _POSIX_THREAD_THREADS_MAX	64
/* We have no predefined limit on the number of threads.  */
#undef PTHREAD_THREADS_MAX

/* Maximum amount by which a process can descrease its asynchronous I/O
   priority level.  */
#define AIO_PRIO_DELTA_MAX	20

/* Minimum size for a thread.  We are free to choose a reasonable value.  */
#define PTHREAD_STACK_MIN	16384

/* Maximum number of timer expiration overruns.  */
#define DELAYTIMER_MAX	2147483647

/* Maximum tty name length.  */
#define TTY_NAME_MAX		32

/* Maximum login name length.  This is arbitrary.  */
#define LOGIN_NAME_MAX		256

/* Maximum host name length.  */
#define HOST_NAME_MAX		64

/* Maximum message queue priority level.  */
#define MQ_PRIO_MAX		32768

/* Maximum value the semaphore can have.  */
#define SEM_VALUE_MAX   (2147483647)
Commit	Line	Data
76a50749	1	/* Minimum guaranteed maximum values for system limits. Linux version.
932dfea7	2	Copyright (C) 1993-1998,2000,2002,2003,2004 Free Software Foundation, Inc.
76a50749 UD	3	This file is part of the GNU C Library.
	4
	5	The GNU C Library is free software; you can redistribute it and/or
28ddcea0 RM	6	modify it under the terms of the GNU Lesser General Public License as
28ddcea0 RM	7	published by the Free Software Foundation; either version 2.1 of the
76a50749 UD	8	License, or (at your option) any later version.
	9
	10	The GNU C Library is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
28ddcea0	13	Lesser General Public License for more details.
76a50749	14
28ddcea0	15	You should have received a copy of the GNU Lesser General Public
76a50749 UD	16	License along with the GNU C Library; see the file COPYING.LIB. If not,
	17	write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
	18	Boston, MA 02111-1307, USA. */
	19
	20	/* The kernel header pollutes the namespace with the NR_OPEN symbol
	21	and defines LINK_MAX although filesystems have different maxima. A
	22	similar thing is true for OPEN_MAX: the limit can be changed at
	23	runtime and therefore the macro must not be defined. Remove this
	24	after including the header if necessary. */
	25	#ifndef NR_OPEN
	26	# define __undef_NR_OPEN
	27	#endif
	28	#ifndef LINK_MAX
	29	# define __undef_LINK_MAX
	30	#endif
	31	#ifndef OPEN_MAX
	32	# define __undef_OPEN_MAX
	33	#endif
	34
	35	/* The kernel sources contain a file with all the needed information. */
	36	#include <linux/limits.h>
	37
	38	/* Have to remove NR_OPEN? */
	39	#ifdef __undef_NR_OPEN
	40	# undef NR_OPEN
	41	# undef __undef_NR_OPEN
	42	#endif
	43	/* Have to remove LINK_MAX? */
	44	#ifdef __undef_LINK_MAX
	45	# undef LINK_MAX
	46	# undef __undef_LINK_MAX
	47	#endif
	48	/* Have to remove OPEN_MAX? */
	49	#ifdef __undef_OPEN_MAX
	50	# undef OPEN_MAX
	51	# undef __undef_OPEN_MAX
	52	#endif
	53
	54	/* The number of data keys per process. */
	55	#define _POSIX_THREAD_KEYS_MAX 128
	56	/* This is the value this implementation supports. */
	57	#define PTHREAD_KEYS_MAX 1024
	58
	59	/* Controlling the iterations of destructors for thread-specific data. */
	60	#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
	61	/* Number of iterations this implementation does. */
	62	#define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS
	63
	64	/* The number of threads per process. */
	65	#define _POSIX_THREAD_THREADS_MAX 64
d82d5d12 UD	66	/* We have no predefined limit on the number of threads. */
d82d5d12 UD	67	#undef PTHREAD_THREADS_MAX
76a50749 UD	68
	69	/* Maximum amount by which a process can descrease its asynchronous I/O
	70	priority level. */
	71	#define AIO_PRIO_DELTA_MAX 20
	72
	73	/* Minimum size for a thread. We are free to choose a reasonable value. */
	74	#define PTHREAD_STACK_MIN 16384
	75
76a50749 UD	76	/* Maximum number of timer expiration overruns. */
76a50749 UD	77	#define DELAYTIMER_MAX 2147483647
7d78ab99 UD	78
	79	/* Maximum tty name length. */
	80	#define TTY_NAME_MAX 32
	81
	82	/* Maximum login name length. This is arbitrary. */
	83	#define LOGIN_NAME_MAX 256
932dfea7 UD	84
	85	/* Maximum host name length. */
	86	#define HOST_NAME_MAX 64
1b82c6c7 UD	87
	88	/* Maximum message queue priority level. */
	89	#define MQ_PRIO_MAX 32768
11bf311e UD	90
	91	/* Maximum value the semaphore can have. */
	92	#define SEM_VALUE_MAX (2147483647)