Am Samstag 06 März 2010 16:44:00 schrieb Hendrik Sattler:
> Am Freitag 05 März 2010 19:33:08 schrieb Bastien Nocera:
> > It should work, but it doesn't.
>
> Looking at the source of libusb, this is a bit messed up, there.
> In os/linux_usb.c, the only add the FD for POLLOUT (forgetting POLLIN) and
> in os/darwin_usb.c, the only add it for POLLIN (forgetting POLLOUT).
> Someone should go upstream and fix that!
> Current suggestion: the wanted fd is always the last fd in the pollfd list,
> ignoring the events field. This will then also work with MacOS X.
> And that's also why your POLLOUT fd worked (the other one are all POLLIN)
> on Linux.
Try the patch below. It can only work with one connection per process (already
working on it).
---
diff --git a/lib/usb1obex.c b/lib/usb1obex.c
index 1292af6..857a837 100644
--- a/lib/usb1obex.c
+++ b/lib/usb1obex.c
@@ -357,6 +357,7 @@ static int usbobex_get_fd(void)
const struct libusb_pollfd **usbfds;
const struct libusb_pollfd *usbfd;
int i = 0;
+ int fd = INVALID_SOCKET;
DEBUG(4, "Getting the USB file descriptor");
@@ -367,11 +368,11 @@ static int usbobex_get_fd(void)
}
while ((usbfd = usbfds[i++]) != NULL) {
- if (usbfd->events & POLLIN)
- return usbfd->fd;
+ /* the wanted one is always the last one */
+ fd = usbfd->fd
}
- return INVALID_SOCKET;
+ return fd;
}
/*
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