Try to process all pending events after select().

If we break out of the loop every time at the first filedescriptor that
is read/writeable, we risk starving the other filedescriptors.

diff --git a/src/event.c b/src/event.c
index 9cd7d07..8c7de47 100644 (file)
--- a/src/event.c
+++ b/src/event.c
@@ -348,6 +348,8 @@ bool event_loop(void) {
                        continue;
                }
 
+               unsigned int curgen = io_tree.generation;
+
                for splay_each(io_t, io, &io_tree) {
                        if(FD_ISSET(io->fd, &writable)) {
                                io->cb(io->data, IO_WRITE);
@@ -360,10 +362,12 @@ bool event_loop(void) {
                        /*
                           There are scenarios in which the callback will remove another io_t from the tree
                           (e.g. closing a double connection). Since splay_each does not support that, we
-                          need to exit the loop now. That's okay, since any remaining events will get picked
-                          up by the next select() call.
+                          need to exit the loop if that happens. That's okay, since any remaining events will
+                          get picked up by the next select() call.
                         */
-                       break;
+                       if(curgen != io_tree.generation) {
+                               break;
+                       }
                }
        }