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Diffstat (limited to 'tests/test-nonblocking-pipe.h')
| -rw-r--r-- | tests/test-nonblocking-pipe.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/tests/test-nonblocking-pipe.h b/tests/test-nonblocking-pipe.h new file mode 100644 index 0000000000..c4e65616a4 --- /dev/null +++ b/tests/test-nonblocking-pipe.h @@ -0,0 +1,38 @@ +/* Test for nonblocking read and write. + + Copyright (C) 2011 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 <http://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 + FreeBSD, OpenBSD, MacOS X >= 65537 + AIX >= 32769 + HP-UX >= 8193 + IRIX >= 10241 + OSF/1 >= 262145 + Solaris <= 7 >= 10241 + Solaris >= 8 >= 20481 + Cygwin >= 65537 + native Win32 >= 4097 (depends on the _pipe argument) + */ +#if defined __osf__ +# define PIPE_DATA_BLOCK_SIZE 270000 +#else +# define PIPE_DATA_BLOCK_SIZE 70000 +#endif |