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QWaylandDisplay: Centralize error handling in one place.

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Change-Id: Ifba23e349a4006cea501480a7230408f0fafd1b7
Reviewed-by: Giulio Camuffo <giulio.camuffo@jollamobile.com>
This commit is contained in:
Robin Burchell 2014-08-19 18:40:19 +02:00
parent c6766fe4f4
commit bb360fce60
3 changed files with 23 additions and 30 deletions
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24
src/plugins/platforms/wayland/qwaylanddisplay.cpp
View File

@ -166,16 +166,8 @@ QWaylandDisplay::~QWaylandDisplay(void)
void QWaylandDisplay::flushRequests()
{
if (wl_display_dispatch_queue_pending(mDisplay, mEventQueue) < 0) {
int ecode = wl_display_get_error(mDisplay);
if ((ecode == EPIPE || ecode == ECONNRESET)) {
// special case this to provide a nicer error
qWarning("The Wayland connection broke. Did the Wayland compositor die?");
} else {
qErrnoWarning(ecode, "The Wayland connection experienced a fatal error");
}
::exit(1);
}
if (wl_display_dispatch_queue_pending(mDisplay, mEventQueue) < 0)
mEventThreadObject->checkErrorAndExit();
wl_display_flush(mDisplay);
}
@ -183,16 +175,8 @@ void QWaylandDisplay::flushRequests()
void QWaylandDisplay::blockingReadEvents()
{
if (wl_display_dispatch_queue(mDisplay, mEventQueue) < 0) {
int ecode = wl_display_get_error(mDisplay);
if ((ecode == EPIPE || ecode == ECONNRESET)) {
// special case this to provide a nicer error
qWarning("The Wayland connection broke. Did the Wayland compositor die?");
} else {
qErrnoWarning(ecode, "The Wayland connection experienced a fatal error");
}
::exit(1);
}
if (wl_display_dispatch_queue(mDisplay, mEventQueue) < 0)
mEventThreadObject->checkErrorAndExit();
}
QWaylandScreen *QWaylandDisplay::screenForOutput(struct wl_output *output) const

27
src/plugins/platforms/wayland/qwaylandeventthread.cpp
View File

@ -71,18 +71,25 @@ void QWaylandEventThread::displayConnect()
QMetaObject::invokeMethod(this, "waylandDisplayConnect", Qt::QueuedConnection);
}
// ### be careful what you do, this function may also be called from other
// threads to clean up & exit.
void QWaylandEventThread::checkErrorAndExit()
{
int ecode = wl_display_get_error(m_display);
if ((ecode == EPIPE || ecode == ECONNRESET)) {
// special case this to provide a nicer error
qWarning("The Wayland connection broke. Did the Wayland compositor die?");
} else {
qErrnoWarning(ecode, "The Wayland connection experienced a fatal error");
}
::exit(1);
}
void QWaylandEventThread::readWaylandEvents()
{
if (wl_display_dispatch(m_display) < 0) {
int ecode = wl_display_get_error(m_display);
if ((ecode == EPIPE || ecode == ECONNRESET)) {
// special case this to provide a nicer error
qWarning("The Wayland connection broke. Did the Wayland compositor die?");
} else {
qErrnoWarning(ecode, "The Wayland connection experienced a fatal error");
}
::exit(1);
}
if (wl_display_dispatch(m_display) < 0)
checkErrorAndExit();
emit newEventsRead();
}

2
src/plugins/platforms/wayland/qwaylandeventthread_p.h
View File

@ -63,6 +63,8 @@ public:
wl_display *display() const;
void checkErrorAndExit();
private slots:
void readWaylandEvents();