From e16cda9ad8dad231d6354c1af2c58a07749e5eca Mon Sep 17 00:00:00 2001 From: "R. David Murray" Date: Fri, 15 Oct 2010 23:12:57 +0000 Subject: #9862: On AIX PIPE_BUF is broken. Make it 512. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Patch by Sébastien Sablé. --- Misc/NEWS | 3 +++ Modules/selectmodule.c | 4 ++++ configure.in | 4 ++++ 3 files changed, 11 insertions(+) diff --git a/Misc/NEWS b/Misc/NEWS index 0e24737..55e57ba 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -10,6 +10,9 @@ What's New in Python 3.2 Beta 1? Core and Builtins ----------------- +- Issue #9862: Compensate for broken PIPE_BUF in AIX by hard coding + its value as the default 512 when compiling on AIX. + - Use locale encoding instead of UTF-8 to encode and decode filenames if Py_FileSystemDefaultEncoding is not set. diff --git a/Modules/selectmodule.c b/Modules/selectmodule.c index 5c475f5..58cc4c7 100644 --- a/Modules/selectmodule.c +++ b/Modules/selectmodule.c @@ -1786,6 +1786,10 @@ PyInit_select(void) PyModule_AddObject(m, "error", SelectError); #ifdef PIPE_BUF +#ifdef HAVE_BROKEN_PIPE_BUF +#undef PIPE_BUF +#define PIPE_BUF 512 +#endif PyModule_AddIntConstant(m, "PIPE_BUF", PIPE_BUF); #endif diff --git a/configure.in b/configure.in index 01d81e9..4252d93 100644 --- a/configure.in +++ b/configure.in @@ -4213,6 +4213,10 @@ fi ], [AC_MSG_RESULT(no value specified)]) +case $ac_sys_system in +AIX*) + AC_DEFINE(HAVE_BROKEN_PIPE_BUF, 1, [Define if the system reports an invalid PIPE_BUF value.]) ;; +esac case $ac_sys_system in -- cgit v0.12