Work around posix violation in qnx (missing pselect())

Change-Id: I7c1ae85ee7e92da3f394b488643613894977556e
Reviewed-by: Peter Hartmann <phartmann@rim.com>
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>
Reviewed-by: Bernd Weimer <bweimer@rim.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

src/corelib/kernel/qcore_unix.cpp

@@ -90,7 +90,14 @@ int qt_safe_select(int nfds, fd_set *fdread, fd_set *fdwrite, fd_set *fdexcept,
     // loop and recalculate the timeout as needed
     int ret;
     forever {
+#ifndef Q_OS_QNX
         ret = ::pselect(nfds, fdread, fdwrite, fdexcept, &timeout, 0);
+#else
+        timeval timeoutVal;
+        timeoutVal.tv_sec = timeout.tv_sec;
+        timeoutVal.tv_usec = timeout.tv_nsec / 1000;
+        ret = ::select(nfds, fdread, fdwrite, fdexcept, &timeoutVal);
+#endif
         if (ret != -1 || errno != EINTR)
             return ret;
 

src/corelib/kernel/qeventdispatcher_blackberry.cpp

@@ -271,13 +271,13 @@ void QEventDispatcherBlackberry::unregisterSocketNotifier(QSocketNotifier *notif
     }
 }
 
-static inline int timevalToMillisecs(const timeval &tv)
+static inline int timespecToMillisecs(const timespec &tv)
 {
-    return (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
+    return (tv.tv_sec * 1000) + (tv.tv_nsec / 1000000);
 }
 
 int QEventDispatcherBlackberry::select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
-                                       timeval *timeout)
+                                       timespec *timeout)
 {
     Q_UNUSED(nfds);
     Q_D(QEventDispatcherBlackberry);
@@ -306,9 +306,9 @@ int QEventDispatcherBlackberry::select(int nfds, fd_set *readfds, fd_set *writef
     // Convert timeout to milliseconds
     int timeoutTotal = -1;
     if (timeout)
-        timeoutTotal = timevalToMillisecs(*timeout);
+        timeoutTotal = timespecToMillisecs(*timeout);
     int timeoutLeft = timeoutTotal;
-    timeval startTime = qt_gettime();
+    timespec startTime = qt_gettime();
 
     // This loop exists such that we can drain the bps event queue of all native events
     // more efficiently than if we were to return control to Qt after each event. This
@@ -332,16 +332,16 @@ int QEventDispatcherBlackberry::select(int nfds, fd_set *readfds, fd_set *writef
             // Update the timeout
             // Clock source is monotonic, so we can recalculate how much timeout is left
             if (timeoutTotal != -1) {
-                timeval t2 = qt_gettime();
+                timespec t2 = qt_gettime();
                 timeoutLeft = timeoutTotal
-                              - (timevalToMillisecs(t2) - timevalToMillisecs(startTime));
+                              - (timespecToMillisecs(t2) - timespecToMillisecs(startTime));
                 if (timeoutLeft < 0)
                     timeoutLeft = 0;
             }
 
-            timeval tnext;
+            timespec tnext;
             if (d->timerList.timerWait(tnext)) {
-                int timeoutNext = timevalToMillisecs(tnext);
+                int timeoutNext = timespecToMillisecs(tnext);
                 if (timeoutNext < timeoutLeft || timeoutTotal == -1) {
                     timeoutTotal = timeoutLeft = timeoutNext;
                     startTime = qt_gettime();

src/corelib/kernel/qeventdispatcher_blackberry_p.h

@@ -77,7 +77,7 @@ protected:
     QEventDispatcherBlackberry(QEventDispatcherBlackberryPrivate &dd, QObject *parent = 0);
 
     int select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
-               timeval *timeout);
+               timespec *timeout);
     int ioEvents(int fd);
 };