Could it be related somehow to my concerns in
https://patchwork.freedesktop.org/patch/86328 ?
2016-05-18 18:51 GMT-03:00 Keith Packard <kei...@keithp.com>:
> With the driver block handler guaranteed to be the last thing called
> before the server blocks, we can now reliably check for events there
> and never block with events read but not processed.
>
> Signed-off-by: Keith Packard <kei...@keithp.com>
> ---
> hw/kdrive/ephyr/ephyr.c | 14 +++++++++++++-
> hw/kdrive/ephyr/ephyr.h | 3 +++
> hw/kdrive/ephyr/ephyrinit.c | 1 +
> hw/kdrive/src/kdrive.h | 2 +-
> hw/kdrive/src/kinput.c | 9 ++++-----
> 5 files changed, 22 insertions(+), 7 deletions(-)
>
> diff --git a/hw/kdrive/ephyr/ephyr.c b/hw/kdrive/ephyr/ephyr.c
> index 1a410ca..6066b5d 100644
> --- a/hw/kdrive/ephyr/ephyr.c
> +++ b/hw/kdrive/ephyr/ephyr.c
> @@ -1106,7 +1106,7 @@ ephyrProcessConfigureNotify(xcb_generic_event_t *xev)
> }
>
> static void
> -ephyrXcbNotify(int fd, int ready, void *data)
> +ephyrXcbProcessEvents(void)
> {
> xcb_connection_t *conn = hostx_get_xcbconn();
>
> @@ -1166,6 +1166,18 @@ ephyrXcbNotify(int fd, int ready, void *data)
> }
> }
>
> +static void
> +ephyrXcbNotify(int fd, int ready, void *data)
> +{
> + ephyrXcbProcessEvents();
> +}
> +
> +void
> +ephyrBlockHandler(ScreenPtr pScreen, void *timeo)
> +{
> + ephyrXcbProcessEvents();
> +}
> +
> void
> ephyrCardFini(KdCardInfo * card)
> {
> diff --git a/hw/kdrive/ephyr/ephyr.h b/hw/kdrive/ephyr/ephyr.h
> index f5015f6..ef5736e 100644
> --- a/hw/kdrive/ephyr/ephyr.h
> +++ b/hw/kdrive/ephyr/ephyr.h
> @@ -138,6 +138,9 @@ void
> ephyrCloseScreen(ScreenPtr pScreen);
>
> void
> +ephyrBlockHandler(ScreenPtr pScreen, void *timeo);
> +
> +void
> ephyrCardFini(KdCardInfo * card);
>
> void
> diff --git a/hw/kdrive/ephyr/ephyrinit.c b/hw/kdrive/ephyr/ephyrinit.c
> index 149ea98..03d6289 100644
> --- a/hw/kdrive/ephyr/ephyrinit.c
> +++ b/hw/kdrive/ephyr/ephyrinit.c
> @@ -411,4 +411,5 @@ KdCardFuncs ephyrFuncs = {
> ephyrPutColors, /* putColors */
>
> ephyrCloseScreen, /* closeScreen */
> + ephyrBlockHandler, /* blockHandler */
> };
> diff --git a/hw/kdrive/src/kdrive.h b/hw/kdrive/src/kdrive.h
> index 3c7f2cd..6ef7337 100644
> --- a/hw/kdrive/src/kdrive.h
> +++ b/hw/kdrive/src/kdrive.h
> @@ -133,6 +133,7 @@ typedef struct _KdCardFuncs {
> void (*putColors) (ScreenPtr, int, xColorItem *);
>
> void (*closeScreen) (ScreenPtr); /* close ScreenRec */
> + void (*blockHandler) (ScreenPtr, void *timeo);
> } KdCardFuncs;
>
> #define KD_MAX_PSEUDO_DEPTH 8
> @@ -296,7 +297,6 @@ typedef struct _KdOsFuncs {
> Bool (*SpecialKey) (KeySym);
> void (*Disable) (void);
> void (*Fini) (void);
> - void (*pollEvents) (void);
> void (*Bell) (int, int, int);
> } KdOsFuncs;
>
> diff --git a/hw/kdrive/src/kinput.c b/hw/kdrive/src/kinput.c
> index c0f1cf7..2234dfc 100644
> --- a/hw/kdrive/src/kinput.c
> +++ b/hw/kdrive/src/kinput.c
> @@ -1965,6 +1965,7 @@ KdBlockHandler(ScreenPtr pScreen, void *timeo)
> {
> KdPointerInfo *pi;
> int myTimeout = 0;
> + KdScreenPriv(pScreen);
>
> for (pi = kdPointers; pi; pi = pi->next) {
> if (pi->timeoutPending) {
> @@ -1977,13 +1978,11 @@ KdBlockHandler(ScreenPtr pScreen, void *timeo)
> myTimeout = ms;
> }
> }
> - /* if we need to poll for events, do that */
> - if (kdOsFuncs->pollEvents) {
> - (*kdOsFuncs->pollEvents) ();
> - myTimeout = 20;
> - }
> if (myTimeout > 0)
> AdjustWaitForDelay(timeo, myTimeout);
> +
> + if (pScreenPriv->card->cfuncs->blockHandler)
> + (*pScreenPriv->card->cfuncs->blockHandler)(pScreen, timeo);
> }
>
> void
> --
> 2.8.0.rc3
>
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