kernel-netlink: Directly handle Netlink messages if thread pool is empty

During initialization of the plugins the thread pool is not yet
initialized so there is no watcher thread that could handle the queued
Netlink message and the main thread will wait indefinitely for a
response.

Fixes #2199.

diff --git a/src/libcharon/plugins/kernel_netlink/kernel_netlink_shared.c b/src/libcharon/plugins/kernel_netlink/kernel_netlink_shared.c
index da54031a1a2896734606266ebaf503b6c3d19af9..cf85cb0a6e3087c64bc8332d568ac335b2cca0dd 100644 (file)
--- a/src/libcharon/plugins/kernel_netlink/kernel_netlink_shared.c
+++ b/src/libcharon/plugins/kernel_netlink/kernel_netlink_shared.c
@@ -333,7 +333,8 @@ static status_t send_once(private_netlink_socket_t *this, struct nlmsghdr *in,
        while (!entry->complete)
        {
                if (this->parallel &&
-                       lib->watcher->get_state(lib->watcher) != WATCHER_STOPPED)
+                       lib->watcher->get_state(lib->watcher) != WATCHER_STOPPED &&
+                       lib->processor->get_total_threads(lib->processor))
                {
                        if (this->timeout)
                        {