On Sep 13 16:32, Christopher Faylor wrote:
> I just modified the test case from the original report:
>
> >>>cut here<<<
> #include <stdio.h>
> #include <mqueue.h>
> #include <fcntl.h>
> #include <string.h>
>
> main()
> {
> int flags = O_RDWR | O_NONBLOCK | O_CREAT | O_EXCL;
> struct mq_attr attr;
> char queue[80];
> char *e;
> mode_t mode = strtoul("644", &e, 8);
> mqd_t mqd;
>
>
> memset((void *) &attr, 0, sizeof(struct mq_attr));
> attr.mq_maxmsg = (long) 10;
> attr.mq_msgsize = (long) 24;
> strcpy(queue, "/queue0");
> mq_unlink(queue);
> mqd = mq_open(queue, flags, mode, &attr);
> if (mqd < 0)
> perror("mq_open 1");
> strcpy(queue, "/queue1");
> mq_unlink(queue);
> mqd = mq_open(queue, flags, mode, &attr); // ALWAYS FAIL HERE WITH
> "Permission denied"
> if (mqd < 0)
> perror("mq_open 2");
> }
> >>>cut here<<<
>
> It behaves the same on both linux and cygwin.
>
> Make sure that you've read:
>
> http://cygwin.com/faq/faq-nochunks.html#faq.programming.ipc
>
> And have cygserver running properly.
Just FYI, running Cygserver is required only for XSI IPC. The POSIX
IPC functions are supposed to work without Cygserver.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
Red Hat
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