diff options
| author | Kirill Smelkov <kirr@nexedi.com> | 2019-03-14 21:11:14 +0300 |
|---|---|---|
| committer | Stefan Behnel <stefan_ml@behnel.de> | 2019-07-19 17:18:15 +0200 |
| commit | 7047d62cfee083c2b708f22e53e7d7503728383a (patch) | |
| tree | c985c1646fee565c3b54e2593b661e30384b0e96 | |
| parent | d24b343141a0ec8f73670e04716d72ed7bceb948 (diff) | |
| download | cython-7047d62cfee083c2b708f22e53e7d7503728383a.tar.gz | |
include: posix.mman += MAP_FAILED
mmap returns void* and indicates failure via MAP_FAILED that is defined
to be ((void *)-1). Every mmap call has to be checked for failure and
thus posix.mman with mmap, but without MAP_FAILED is not very useful.
We cannot declare MAP_FAILED as enum, because enum assumes int. However
Cython documentation says
4. If the header file uses macros to define constants, translate
them into a normal external variable declaration. ...
(https://cython.readthedocs.io/en/latest/src/userguide/external_C_code.html#referencing-c-header-files)
So add proper declaration for MAP_FAILED to make posix.mman.mmap usable.
(cherry picked from commit 6725304967f4c4235cb0113c6f0e8b56bc683478)
| -rw-r--r-- | Cython/Includes/posix/mman.pxd | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Cython/Includes/posix/mman.pxd b/Cython/Includes/posix/mman.pxd index f4a5503fb..e8d0ddd54 100644 --- a/Cython/Includes/posix/mman.pxd +++ b/Cython/Includes/posix/mman.pxd @@ -24,6 +24,8 @@ cdef extern from "<sys/mman.h>" nogil: enum: MAP_NOCORE # Typically available only on BSD enum: MAP_NOSYNC + void *MAP_FAILED + void *mmap(void *addr, size_t Len, int prot, int flags, int fd, off_t off) int munmap(void *addr, size_t Len) int mprotect(void *addr, size_t Len, int prot) |