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100 lines
3.1 KiB
C
100 lines
3.1 KiB
C
8 years ago
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/* Minimum guaranteed maximum values for system limits. Linux version.
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Copyright (C) 1993-2016 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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