summaryrefslogtreecommitdiff
path: root/gnulib/tests/test-nonblocking-pipe.h
diff options
context:
space:
mode:
Diffstat (limited to 'gnulib/tests/test-nonblocking-pipe.h')
m---------gnulib0
-rw-r--r--gnulib/tests/test-nonblocking-pipe.h45
2 files changed, 45 insertions, 0 deletions
diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/tests/test-nonblocking-pipe.h b/gnulib/tests/test-nonblocking-pipe.h
new file mode 100644
index 0000000..187dbe3
--- /dev/null
+++ b/gnulib/tests/test-nonblocking-pipe.h
@@ -0,0 +1,45 @@
+/* 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
+ Linux/SPARC >= 126977
+ Linux/IA-64, Linux/MIPS >= 253953
+ Linux/PPC64 >= 1048576
+ 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__ || (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
+#else
+# define PIPE_DATA_BLOCK_SIZE 70000
+#endif