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| author | Victor Stinner <victor.stinner@haypocalc.com> | 2011-05-01 23:05:37 (GMT) |
|---|---|---|
| committer | Victor Stinner <victor.stinner@haypocalc.com> | 2011-05-01 23:05:37 (GMT) |
| commit | a6cd0cf0f5530f1e96114927b2824f6dc61f1bbd (patch) | |
| tree | ccd842682a0b4893d38d5b4e3ac44fa06a17c6ae /Modules/mmapmodule.c | |
| parent | 10116d40d8794825c42b2440524411cd406d1f93 (diff) | |
| download | cpython-a6cd0cf0f5530f1e96114927b2824f6dc61f1bbd.zip cpython-a6cd0cf0f5530f1e96114927b2824f6dc61f1bbd.tar.gz cpython-a6cd0cf0f5530f1e96114927b2824f6dc61f1bbd.tar.bz2 | |
Issue #11277: 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/mmapmodule.c')
| -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 f484a7a..88da4a0 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 @@ -1091,6 +1094,12 @@ 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 */ |