nptl/sysdeps/unix/sysv/linux/powerpc/bits/local_lim.h

   1 /* Minimum guaranteed maximum values for system limits.  Linux/PPC version.
   2    Copyright (C) 1993-1998,2000,2002-2004,2006,2008
   3    Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public License as
   8    published by the Free Software Foundation; either version 2.1 of the
   9    License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  18    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA.  */
  20
  21 /* The kernel header pollutes the namespace with the NR_OPEN symbol
  22    and defines LINK_MAX although filesystems have different maxima.  A
  23    similar thing is true for OPEN_MAX: the limit can be changed at
  24    runtime and therefore the macro must not be defined.  Remove this
  25    after including the header if necessary.  */
  26 #ifndef NR_OPEN
  27 # define __undef_NR_OPEN
  28 #endif
  29 #ifndef LINK_MAX
  30 # define __undef_LINK_MAX
  31 #endif
  32 #ifndef OPEN_MAX
  33 # define __undef_OPEN_MAX
  34 #endif
  35 #ifndef ARG_MAX
  36 # define __undef_ARG_MAX
  37 #endif
  38
  39 /* The kernel sources contain a file with all the needed information.  */
  40 #include <linux/limits.h>
  41
  42 /* Have to remove NR_OPEN?  */
  43 #ifdef __undef_NR_OPEN
  44 # undef NR_OPEN
  45 # undef __undef_NR_OPEN
  46 #endif
  47 /* Have to remove LINK_MAX?  */
  48 #ifdef __undef_LINK_MAX
  49 # undef LINK_MAX
  50 # undef __undef_LINK_MAX
  51 #endif
  52 /* Have to remove OPEN_MAX?  */
  53 #ifdef __undef_OPEN_MAX
  54 # undef OPEN_MAX
  55 # undef __undef_OPEN_MAX
  56 #endif
  57 /* Have to remove ARG_MAX?  */
  58 #ifdef __undef_ARG_MAX
  59 # undef ARG_MAX
  60 # undef __undef_ARG_MAX
  61 #endif
  62
  63 /* The number of data keys per process.  */
  64 #define _POSIX_THREAD_KEYS_MAX  128
  65 /* This is the value this implementation supports.  */
  66 #define PTHREAD_KEYS_MAX        1024
  67
  68 /* Controlling the iterations of destructors for thread-specific data.  */
  69 #define _POSIX_THREAD_DESTRUCTOR_ITERATIONS     4
  70 /* Number of iterations this implementation does.  */
  71 #define PTHREAD_DESTRUCTOR_ITERATIONS   _POSIX_THREAD_DESTRUCTOR_ITERATIONS
  72
  73 /* The number of threads per process.  */
  74 #define _POSIX_THREAD_THREADS_MAX       64
  75 /* We have no predefined limit on the number of threads.  */
  76 #undef PTHREAD_THREADS_MAX
  77
  78 /* Maximum amount by which a process can descrease its asynchronous I/O
  79    priority level.  */
  80 #define AIO_PRIO_DELTA_MAX      20
  81
  82 /* Minimum size for a thread.  At least two pages for systems with 64k
  83    pages.  */
  84 #define PTHREAD_STACK_MIN       131072
  85
  86 /* Maximum number of timer expiration overruns.  */
  87 #define DELAYTIMER_MAX  2147483647
  88
  89 /* Maximum tty name length.  */
  90 #define TTY_NAME_MAX            32
  91
  92 /* Maximum login name length.  This is arbitrary.  */
  93 #define LOGIN_NAME_MAX          256
  94
  95 /* Maximum host name length.  */
  96 #define HOST_NAME_MAX           64
  97
  98 /* Maximum message queue priority level.  */
  99 #define MQ_PRIO_MAX             32768
 100
 101 /* Maximum value the semaphore can have.  */
 102 #define SEM_VALUE_MAX   (2147483647)