$FreeBSD$ This patch works around POSIX thread anomalies in the IcedTea6 plugin. Somehow Linux can use mutexes and condition variables uninitialized. --- icedtea6-1.9/plugin/icedteanp/IcedTeaNPPlugin.cc.orig 2010-08-06 07:05:21.916103000 -0400 +++ icedtea6-1.9/plugin/icedteanp/IcedTeaNPPlugin.cc 2010-09-13 12:39:38.000000000 -0400 @@ -237,6 +237,7 @@ static guint appletviewer_watch_id = -1; int plugin_debug = getenv ("ICEDTEAPLUGIN_DEBUG") != NULL; pthread_cond_t cond_message_available = PTHREAD_COND_INITIALIZER; +pthread_mutex_t wait_mutex = PTHREAD_MUTEX_INITIALIZER; // Functions prefixed by ITNP_ are instance functions. They are called // by the browser and operate on instances of ITNPPluginData. --- icedtea6-1.9/plugin/icedteanp/IcedTeaNPPlugin.h.orig 2010-08-06 07:05:21.942208000 -0400 +++ icedtea6-1.9/plugin/icedteanp/IcedTeaNPPlugin.h 2010-09-13 12:39:13.000000000 -0400 @@ -94,6 +94,7 @@ static pthread_t plugin_request_processo // Condition on which the queue processor waits extern pthread_cond_t cond_message_available; +extern pthread_mutex_t wait_mutex; // debug switch extern int plugin_debug; --- icedtea6-1.9/plugin/icedteanp/IcedTeaPluginRequestProcessor.cc.orig 2010-08-06 07:05:21.996828000 -0400 +++ icedtea6-1.9/plugin/icedteanp/IcedTeaPluginRequestProcessor.cc 2010-09-13 12:55:28.000000000 -0400 @@ -63,6 +63,11 @@ PluginRequestProcessor::PluginRequestPro this->pendingRequests = new std::map(); internal_req_ref_counter = 0; + pthread_mutex_init(&message_queue_mutex, NULL); + pthread_mutex_init(&syn_write_mutex, NULL); + pthread_mutex_init(&tc_mutex, NULL); + pthread_mutex_init(&wait_mutex, NULL); + pthread_cond_init(&cond_message_available, NULL); } /** @@ -77,6 +82,11 @@ PluginRequestProcessor::~PluginRequestPr if (pendingRequests) delete pendingRequests; + pthread_mutex_destroy(&message_queue_mutex); + pthread_mutex_destroy(&syn_write_mutex); + pthread_mutex_destroy(&tc_mutex); + pthread_mutex_destroy(&wait_mutex); + pthread_cond_destroy(&cond_message_available); } /** @@ -709,7 +719,6 @@ queue_processor(void* data) PluginRequestProcessor* processor = (PluginRequestProcessor*) data; std::vector* message_parts = NULL; std::string command; - pthread_mutex_t wait_mutex = PTHREAD_MUTEX_INITIALIZER; // This is needed for API compat. and is unused PLUGIN_DEBUG("Queue processor initialized. Queue = %p\n", message_queue); @@ -780,7 +789,9 @@ queue_processor(void* data) } else { - pthread_cond_wait(&cond_message_available, &wait_mutex); + pthread_mutex_lock(&wait_mutex); + pthread_cond_wait(&cond_message_available, &wait_mutex); + pthread_mutex_unlock(&wait_mutex); pthread_testcancel(); }