/* Minimum guaranteed maximum values for system limits. Linux version.

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Copyright (C) 1993-2018 Free Software Foundation, Inc.

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This file is part of the GNU C Library.

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The GNU C Library is free software; you can redistribute it and/or

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modify it under the terms of the GNU Lesser General Public License as

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published by the Free Software Foundation; either version 2.1 of the

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License, or (at your option) any later version.

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The GNU C Library is distributed in the hope that it will be useful,

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but WITHOUT ANY WARRANTY; without even the implied warranty of

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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

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Lesser General Public License for more details.

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You should have received a copy of the GNU Lesser General Public

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License along with the GNU C Library; see the file COPYING.LIB. If

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not, see <http://www.gnu.org/licenses/>. */

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/* The kernel header pollutes the namespace with the NR_OPEN symbol

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and defines LINK_MAX although filesystems have different maxima. A

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similar thing is true for OPEN_MAX: the limit can be changed at

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runtime and therefore the macro must not be defined. Remove this

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after including the header if necessary. */

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#ifndef NR_OPEN

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# define __undef_NR_OPEN

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#endif

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#ifndef LINK_MAX

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# define __undef_LINK_MAX

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#endif

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#ifndef OPEN_MAX

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# define __undef_OPEN_MAX

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#endif

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#ifndef ARG_MAX

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# define __undef_ARG_MAX

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#endif

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/* The kernel sources contain a file with all the needed information. */

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#include <linux/limits.h>

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/* Have to remove NR_OPEN? */

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#ifdef __undef_NR_OPEN

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# undef NR_OPEN

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# undef __undef_NR_OPEN

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#endif

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/* Have to remove LINK_MAX? */

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#ifdef __undef_LINK_MAX

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# undef LINK_MAX

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# undef __undef_LINK_MAX

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#endif

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/* Have to remove OPEN_MAX? */

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#ifdef __undef_OPEN_MAX

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# undef OPEN_MAX

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# undef __undef_OPEN_MAX

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#endif

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/* Have to remove ARG_MAX? */

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#ifdef __undef_ARG_MAX

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# undef ARG_MAX

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# undef __undef_ARG_MAX

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#endif

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/* The number of data keys per process. */

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#define _POSIX_THREAD_KEYS_MAX 128

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/* This is the value this implementation supports. */

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#define PTHREAD_KEYS_MAX 1024

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/* Controlling the iterations of destructors for thread-specific data. */

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#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4

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/* Number of iterations this implementation does. */

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#define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS

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/* The number of threads per process. */

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#define _POSIX_THREAD_THREADS_MAX 64

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/* We have no predefined limit on the number of threads. */

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#undef PTHREAD_THREADS_MAX

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/* Maximum amount by which a process can descrease its asynchronous I/O

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priority level. */

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#define AIO_PRIO_DELTA_MAX 20

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/* Minimum size for a thread. We are free to choose a reasonable value. */

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#define PTHREAD_STACK_MIN 16384

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/* Maximum number of timer expiration overruns. */

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#define DELAYTIMER_MAX 2147483647

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/* Maximum tty name length. */

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#define TTY_NAME_MAX 32

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/* Maximum login name length. This is arbitrary. */

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#define LOGIN_NAME_MAX 256

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/* Maximum host name length. */

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#define HOST_NAME_MAX 64

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/* Maximum message queue priority level. */

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#define MQ_PRIO_MAX 32768

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/* Maximum value the semaphore can have. */

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#define SEM_VALUE_MAX (2147483647)

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