Delay re-queued callbacks a bit.

Author: nicolasnoble

src/mips/psyqo/src/kernel.cpp

@@ -409,7 +409,8 @@ void psyqo::Kernel::Internal::pumpCallbacks() {
     if (s_flag == 0) return;
     fastEnterCriticalSection();
     s_flag = 0;
-    while (!s_callbacks.empty()) {
+    auto count = s_callbacks.size();
+    for (size_t i = 0; i < count; i++) {
         auto& l = s_callbacks.front();
         fastLeaveCriticalSection();
         l();