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.
This commit is contained in:
Victor Stinner 2014-09-30 12:20:05 +02:00
parent 43030ee780
commit d6b176905d
2 changed files with 15 additions and 4 deletions

View File

@ -19,6 +19,9 @@ Core and Builtins
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.

View File

@ -8786,7 +8786,15 @@ posix_truncate(PyObject *self, PyObject *args, PyObject *kwargs)
}
#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 @@ posix_posix_fallocate(PyObject *self, PyObject *args)
}
#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 @@ static PyMethodDef posix_methods[] = {
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