Hello,

I have some problems with Xenomai 3.1rc2, the following function will often 
block after printing "b".
This does not happen always and never happens when I run the program through 
gdb, and I can't attach
with gdb if its blocked.
Using another port then -1 makes no difference, and there is a single XDDP 
connection active at the time
(on port #0), but this should be the first and only IDDP socket open.

static int s_bindRtIpcEndpoint(int protocol, czstring pLabel, const int *pArgs, 
int *pErrno)
{
    int ret;
    int __attribute__((cleanup(auto_closesocket_rt))) fd =  
__RT(socket)(AF_RTIPC, SOCK_DGRAM, protocol);
    TEST_LOG_ERRNO_ERROR_M_SCOPE(fd < 0, *pErrno, "socket", -1);
    printf("a\n");
    if (protocol == IPCPROTO_BUFP) {
        size_t bufsz = 32768; /* bytes */
        if (pArgs)
            bufsz = *pArgs;
        ret = setsockopt(fd, SOL_BUFP, BUFP_BUFSZ, &bufsz, sizeof(bufsz));
        TEST_LOG_ERRNO_ERROR_M_SCOPE(ret != 0, *pErrno, "setsockopt", -1);
    }

    if (pLabel)
        setLabel(fd, protocol, pLabel);

    printf("b\n");
    // bind first endpoint
    struct sockaddr_ipc saddr = {AF_RTIPC, -1};

    ret = __RT(bind)(fd, (struct sockaddr *)&saddr, sizeof(saddr));
    printf("c\n");
    TEST_LOG_ERRNO_ERROR_M_SCOPE(ret != 0, *pErrno, "bind", -1);
    ret = fd;
    fd = -1; // NOLINT(clang-analyzer-deadcode.DeadStores)
    return ret;
}

The function is called like this:

int tmp;
s_bindRtIpcEndpoint(IPCPROTO_IDDP, NULL, NULL, &tmp);

I really don't know how to tackle this, any hints?

Mit besten Grüßen / Kind regards

NORBERT LANGE

AT-RD3

ANDRITZ HYDRO GmbH
Eibesbrunnergasse 20
1120 Vienna / AUSTRIA
p: +43 50805 56684
norbert.la...@andritz.com
andritz.com

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