ports/sysdeps/unix/sysv/linux/ia64/nptl/bits/local_lim.h

   1 /* Minimum guaranteed maximum values for system limits.  Linux/IA-64 version.
   2    Copyright (C) 1993-2014 Free Software Foundation, Inc.
   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
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the 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
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 /* The kernel header pollutes the namespace with the NR_OPEN symbol
  20    and defines LINK_MAX although filesystems have different maxima.  A
  21    similar thing is true for OPEN_MAX: the limit can be changed at
  22    runtime and therefore the macro must not be defined.  Remove this
  23    after including the header if necessary.  */
  24 #ifndef NR_OPEN
  25 # define __undef_NR_OPEN
  26 #endif
  27 #ifndef LINK_MAX
  28 # define __undef_LINK_MAX
  29 #endif
  30 #ifndef OPEN_MAX
  31 # define __undef_OPEN_MAX
  32 #endif
  33 #ifndef ARG_MAX
  34 # define __undef_ARG_MAX
  35 #endif
  36
  37 /* The kernel sources contain a file with all the needed information.  */
  38 #include <linux/limits.h>
  39
  40 /* Have to remove NR_OPEN?  */
  41 #ifdef __undef_NR_OPEN
  42 # undef NR_OPEN
  43 # undef __undef_NR_OPEN
  44 #endif
  45 /* Have to remove LINK_MAX?  */
  46 #ifdef __undef_LINK_MAX
  47 # undef LINK_MAX
  48 # undef __undef_LINK_MAX
  49 #endif
  50 /* Have to remove OPEN_MAX?  */
  51 #ifdef __undef_OPEN_MAX
  52 # undef OPEN_MAX
  53 # undef __undef_OPEN_MAX
  54 #endif
  55 /* Have to remove ARG_MAX?  */
  56 #ifdef __undef_ARG_MAX
  57 # undef ARG_MAX
  58 # undef __undef_ARG_MAX
  59 #endif
  60
  61 /* The number of data keys per process.  */
  62 #define _POSIX_THREAD_KEYS_MAX  128
  63 /* This is the value this implementation supports.  */
  64 #define PTHREAD_KEYS_MAX        1024
  65
  66 /* Controlling the iterations of destructors for thread-specific data.  */
  67 #define _POSIX_THREAD_DESTRUCTOR_ITERATIONS     4
  68 /* Number of iterations this implementation does.  */
  69 #define PTHREAD_DESTRUCTOR_ITERATIONS   _POSIX_THREAD_DESTRUCTOR_ITERATIONS
  70
  71 /* The number of threads per process.  */
  72 #define _POSIX_THREAD_THREADS_MAX       64
  73 /* We have no predefined limit on the number of threads.  */
  74 #undef PTHREAD_THREADS_MAX
  75
  76 /* Maximum amount by which a process can descrease its asynchronous I/O
  77    priority level.  */
  78 #define AIO_PRIO_DELTA_MAX      20
  79
  80 /* Minimum size for a thread.  We are free to choose a reasonable value.  */
  81 #define PTHREAD_STACK_MIN       196608
  82
  83 /* Maximum number of timer expiration overruns.  */
  84 #define DELAYTIMER_MAX  2147483647
  85
  86 /* Maximum tty name length.  */
  87 #define TTY_NAME_MAX            32
  88
  89 /* Maximum login name length.  This is arbitrary.  */
  90 #define LOGIN_NAME_MAX          256
  91
  92 /* Maximum host name length.  */
  93 #define HOST_NAME_MAX           64
  94
  95 /* Maximum message queue priority level.  */
  96 #define MQ_PRIO_MAX             32768
  97
  98 /* Maximum value the semaphore can have.  */
  99 #define SEM_VALUE_MAX   (2147483647)