kc3-lang/gnulib/tests/test-nonblocking-pipe.h

• Show log

  Commit

• Hash : 7b089321
  Author :
  Date : 2025-01-01T09:24:36
  

  maint: run 'make update-copyright'
  

Download

• tests/test-nonblocking-pipe.h

• /* Test for nonblocking read and write.
  
     Copyright (C) 2011-2025 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  /* A data block ought to be larger than the size of the in-kernel buffer.
     Working values of PIPE_DATA_BLOCK_SIZE, depending on kernel:
  
       Platform                        PIPE_DATA_BLOCK_SIZE
  
       Linux                           >= 63489
       Linux/SPARC                     >= 126977
       Linux/IA-64, Linux/MIPS         >= 253953
       Linux/PPC64                     >= 1048576
       FreeBSD, OpenBSD, Mac OS X      >= 65537
       AIX                             >= 32769
       HP-UX                           >= 8193
       IRIX                            >= 10241
       OSF/1                           >= 262145
       Solaris <= 7                    >= 10241
       Solaris >= 8                    >= 20481
       z/OS                            >= 131073
       Cygwin                          >= 65537
       native Windows                  >= 4097 (depends on the _pipe argument)
   */
  #if defined __MVS__ || defined __osf__ || (defined __linux__ && (defined __ia64__ || defined __mips__))
  # define PIPE_DATA_BLOCK_SIZE 270000
  #elif defined __linux__ && defined __sparc__
  # define PIPE_DATA_BLOCK_SIZE 140000
  #elif defined __linux__ && defined __powerpc__
  # define PIPE_DATA_BLOCK_SIZE 1100000
  #elif defined _WIN32 && !defined __CYGWIN__
  # define PIPE_DATA_BLOCK_SIZE 10000
  #else
  # define PIPE_DATA_BLOCK_SIZE 70000
  #endif
  

Download