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| author | Victor Stinner <victor.stinner@haypocalc.com> | 2011-05-01 23:14:55 (GMT) |
|---|---|---|
| committer | Victor Stinner <victor.stinner@haypocalc.com> | 2011-05-01 23:14:55 (GMT) |
| commit | fadeeffe5b7184c5406ee64e46550bc90395e8f7 (patch) | |
| tree | b7620443dd89163ec692797ecc6406ff6b808651 /Modules | |
| parent | 47583fa9b4113accd43efc8c205586cd956405a6 (diff) | |
| parent | 8108e96bc811eeb61594e398848d25cbe9efbffe (diff) | |
| download | cpython-fadeeffe5b7184c5406ee64e46550bc90395e8f7.zip cpython-fadeeffe5b7184c5406ee64e46550bc90395e8f7.tar.gz cpython-fadeeffe5b7184c5406ee64e46550bc90395e8f7.tar.bz2 | |
(Merge 3.2) Issue #11277: mmap.mmap() calls fcntl(fd, F_FULLFSYNC) on Mac OS X
to get around a mmap bug with sparse files. Patch written by Steffen Daode
Nurpmeso.
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/mmapmodule.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Modules/mmapmodule.c b/Modules/mmapmodule.c index fdf3922..36ca67d 100644 --- a/Modules/mmapmodule.c +++ b/Modules/mmapmodule.c @@ -23,6 +23,9 @@ #ifndef MS_WINDOWS #define UNIX +# ifdef __APPLE__ +# include <fcntl.h> +# endif #endif #ifdef MS_WINDOWS @@ -1122,6 +1125,12 @@ new_mmap_object(PyTypeObject *type, PyObject *args, PyObject *kwdict) "mmap invalid access parameter."); } +#ifdef __APPLE__ + /* Issue #11277: fsync(2) is not enough on OS X - a special, OS X specific + fcntl(2) is necessary to force DISKSYNC and get around mmap(2) bug */ + if (fd != -1) + (void)fcntl(fd, F_FULLFSYNC); +#endif #ifdef HAVE_FSTAT # ifdef __VMS /* on OpenVMS we must ensure that all bytes are written to the file */ |