[Python-checkins] cpython (3.4): Issue #22396: On 32-bit AIX platform, don't expose os.posix_fadvise() nor
victor.stinner
python-checkins at python.org
Tue Sep 30 12:36:16 CEST 2014
https://hg.python.org/cpython/rev/8e5e19b3cd4e
changeset: 92652:8e5e19b3cd4e
branch: 3.4
parent: 92649:6f54dfa675eb
user: Victor Stinner <victor.stinner at gmail.com>
date: Tue Sep 30 12:20:05 2014 +0200
summary:
Issue #22396: On 32-bit AIX platform, don't expose os.posix_fadvise() nor
os.posix_fallocate() because their prototypes in system headers are wrong.
files:
Misc/NEWS | 3 +++
Modules/posixmodule.c | 16 ++++++++++++----
2 files changed, 15 insertions(+), 4 deletions(-)
diff --git a/Misc/NEWS b/Misc/NEWS
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -19,6 +19,9 @@
Library
-------
+- Issue #22396: On 32-bit AIX platform, don't expose os.posix_fadvise() nor
+ os.posix_fallocate() because their prototypes in system headers are wrong.
+
- Issue #22517: When a io.BufferedRWPair object is deallocated, clear its
weakrefs.
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -8786,7 +8786,15 @@
}
#endif
-#ifdef HAVE_POSIX_FALLOCATE
+/* Issue #22396: On 32-bit AIX platform, the prototypes of os.posix_fadvise()
+ and os.posix_fallocate() in system headers are wrong if _LARGE_FILES is
+ defined, which is the case in Python on AIX. AIX bug report:
+ http://www-01.ibm.com/support/docview.wss?uid=isg1IV56170 */
+#if defined(_AIX) && defined(_LARGE_FILES) && !defined(__64BIT__)
+# define POSIX_FADVISE_AIX_BUG
+#endif
+
+#if defined(HAVE_POSIX_FALLOCATE) && !defined(POSIX_FADVISE_AIX_BUG)
PyDoc_STRVAR(posix_posix_fallocate__doc__,
"posix_fallocate(fd, offset, len)\n\n\
Ensures that enough disk space is allocated for the file specified by fd\n\
@@ -8813,7 +8821,7 @@
}
#endif
-#ifdef HAVE_POSIX_FADVISE
+#if defined(HAVE_POSIX_FADVISE) && !defined(POSIX_FADVISE_AIX_BUG)
PyDoc_STRVAR(posix_posix_fadvise__doc__,
"posix_fadvise(fd, offset, len, advice)\n\n\
Announces an intention to access data in a specific pattern thus allowing\n\
@@ -11485,10 +11493,10 @@
METH_VARARGS | METH_KEYWORDS,
posix_truncate__doc__},
#endif
-#ifdef HAVE_POSIX_FALLOCATE
+#if defined(HAVE_POSIX_FALLOCATE) && !defined(POSIX_FADVISE_AIX_BUG)
{"posix_fallocate", posix_posix_fallocate, METH_VARARGS, posix_posix_fallocate__doc__},
#endif
-#ifdef HAVE_POSIX_FADVISE
+#if defined(HAVE_POSIX_FADVISE) && !defined(POSIX_FADVISE_AIX_BUG)
{"posix_fadvise", posix_posix_fadvise, METH_VARARGS, posix_posix_fadvise__doc__},
#endif
#ifdef HAVE_PUTENV
--
Repository URL: https://hg.python.org/cpython
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