On Thu, May 14, 2009 at 11:21 PM, Lisandro Dalcin <[email protected]> wrote:
> Then your Cython definition does not match the C definition. Could you
> try to fake things in the Cython side like below: ?
>
> cdef extern ... :
> ctypedef struct iovec "struct iovec":
> void *iov_base
> size_t iov_len
>
> If this fails, you will likely have to define like this:
>
> cdef extern ... :
> cdef struct iovec:
> void *iov_base
> size_t iov_len
>
> and always use "struct iovec" as the type, like this:
>
> cdef struct iovec *hdr_names=NULL
> hdr_names=<struct iovec*>malloc(total_count * sizeof(struct iovec))
>
>
> Hope any of all this work. If it does not, come back.
>
I tried first with commented version, then the uncommented:
cdef extern from "sys/uio.h":
# ctypedef struct iovec "struct iovec":
# void *iov_base
# size_t iov_len
cdef struct iovec:
void *iov_base
size_t iov_len
With the first, it fails whenever iovecs are declared, like this:
uint32_t max_pending_trans
char *traffic_class
struct iovec *req_hdrs
^
------------------------------------------------------------
p_types.pxi:130:21: Syntax error in C variable declaration
The faulty line above is a declaration of field inside another struct.
With the second, it compiles, but then my program sigfaults. I should
add that it never sigfaults if I only have one value in the passed in
array of structs, only if there are more.
Thanks a lot,
Mohamed.
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