I just understand. It is not the memory leak problem.
sock->lastdata = buf = netconn_recv(sock->conn); <<<=== means no data
available.
but my socket is a block socket, why it do not block ?
Is there signal bug in my sys_arch.c?
On Fri, Dec 5, 2008 at 10:43 PM, yueyue papa <[EMAIL PROTECTED]> wrote:
> Hi All,
>
> I am using the lwIP + PPP now. The PPP begins to work, but we meet the
> memory leak probem. My lwIP is the later than 1.3.0 (check out form CVS.) I
> really have to see any memory leak problem reported since 1.3.0.
>
> Our project out of memory in socket APIs
>
> int
> lwip_recvfrom(int s, void *mem, int len, unsigned int flags,
> struct sockaddr *from, socklen_t *fromlen)
> {
> ...
> sock->lastdata = buf = netconn_recv(sock->conn); <<<=== out of
> memory
> LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: netconn_recv
> netbuf=%p\n", (void*)buf));
> if (!buf) {
> /* We should really do some error checking here. */
> LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): buf == NULL!\n",
> s));
> sock_set_errno(sock, (((sock->conn->pcb.ip!=NULL) &&
> (sock->conn->err==ERR_OK))?ETIMEDOUT:err_to_errno(sock->conn->err)));
> return 0;
> }
>
> ...
>
> The netconn_recv is allocate from pool
>
> In my lwipopts.h.
>
> /* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
> sends a lot of data out of ROM (or other static memory), this
> should be set high. */
> #define MEMP_NUM_PBUF 16
> What every how many size I increased, the out of memory is happened at same
> time ?
>
> Is there any hint for me for where the memory is leak?
>
> Lee
>
>
>
_______________________________________________
lwip-users mailing list
[email protected]
http://lists.nongnu.org/mailman/listinfo/lwip-users
