diff options
| -rw-r--r-- | Misc/NEWS.d/next/Library/2019-03-18-14-25-36.bpo-31904.ds3d67.rst | 1 | ||||
| -rw-r--r-- | Modules/mmapmodule.c | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/Misc/NEWS.d/next/Library/2019-03-18-14-25-36.bpo-31904.ds3d67.rst b/Misc/NEWS.d/next/Library/2019-03-18-14-25-36.bpo-31904.ds3d67.rst new file mode 100644 index 0000000..fd82fe0 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2019-03-18-14-25-36.bpo-31904.ds3d67.rst @@ -0,0 +1 @@ +Fix mmap fail for VxWorks diff --git a/Modules/mmapmodule.c b/Modules/mmapmodule.c index 33366b2..917c636 100644 --- a/Modules/mmapmodule.c +++ b/Modules/mmapmodule.c @@ -1164,6 +1164,13 @@ new_mmap_object(PyTypeObject *type, PyObject *args, PyObject *kwdict) #ifdef MAP_ANONYMOUS /* BSD way to map anonymous memory */ flags |= MAP_ANONYMOUS; + + /* VxWorks only supports MAP_ANONYMOUS with MAP_PRIVATE flag */ +#ifdef __VXWORKS__ + flags &= ~MAP_SHARED; + flags |= MAP_PRIVATE; +#endif + #else /* SVR4 method to map anonymous memory is to open /dev/zero */ fd = devzero = _Py_open("/dev/zero", O_RDWR); |