1 /* Minimum guaranteed maximum values for system limits. MIPS Linux version. 2 Copyright (C) 1993-1998,2000,2002,2003,2004,2007,2008 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 with 64k pages. */ 83 #define PTHREAD_STACK_MIN 131072 84 85 /* Maximum number of timer expiration overruns. */ 86 #define DELAYTIMER_MAX 2147483647 87 88 /* Maximum tty name length. */ 89 #define TTY_NAME_MAX 32 90 91 /* Maximum login name length. This is arbitrary. */ 92 #define LOGIN_NAME_MAX 256 93 94 /* Maximum host name length. */ 95 #define HOST_NAME_MAX 64 96 97 /* Maximum message queue priority level. */ 98 #define MQ_PRIO_MAX 32768 99 100 /* Maximum value the semaphore can have. */ 101 #define SEM_VALUE_MAX (2147483647) 102