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[enigma2.git] / lib / base / thread.cpp

diff --git a/lib/base/thread.cpp b/lib/base/thread.cpp
index b75378b88ba83028a35a47e265d1c87ea3e34300..08ddc1fb94b07cc33b355006947ad2eee7888e57 100644 (file)
--- a/lib/base/thread.cpp
+++ b/lib/base/thread.cpp
@@ -1,40 +1,88 @@
 #include <lib/base/thread.h>
+
 #include <stdio.h>
+#include <unistd.h>
 #include <lib/base/eerror.h>
 
+void eThread::thread_completed(void *ptr)
+{
+       eThread *p = (eThread*) ptr;
+       eDebug("thread has completed..");
+       p->alive=0;
+       p->thread_finished();
+}
+
 void *eThread::wrapper(void *ptr)
 {
-       ((eThread*)ptr)->thread();
+       eThread *p = (eThread*)ptr;
+       p->alive=1;
+       pthread_cleanup_push( thread_completed, (void*)p );
+       p->thread();
        pthread_exit(0);
+       pthread_cleanup_pop(0);
+       return 0;
 }
 
 eThread::eThread()
+       :the_thread(0), alive(0)
 {
-       alive=0;
 }
 
-void eThread::run()
+void eThread::run( int prio, int policy )
 {
-       alive=1;
-       pthread_create(&the_thread, 0, wrapper, this);
-}
+       if (alive)
+       {
+               eDebug("thread already running !!");
+               return;
+       }
+       pthread_attr_t attr;
+       pthread_attr_init(&attr);
+       if (prio||policy)
+       {
+               struct sched_param p;
+               p.__sched_priority=prio;
+               pthread_attr_setschedpolicy(&attr, policy );
+               pthread_attr_setschedparam(&attr, &p);
+       }
+       if ( pthread_create(&the_thread, &attr, wrapper, this) )
+       {
+               eDebug("couldn't create new thread");
+               return;
+       }
+       pthread_attr_destroy(&attr);
+       usleep(1000);
+       int timeout=20;
+       while(!alive && timeout--)
+       {
+               eDebug("waiting for thread start...");
+               usleep(1000*10);
+       }
+       if ( !timeout )
+               eDebug("thread couldn't be started !!!");
+}                     
 
 eThread::~eThread()
 {
-       if (alive)
-               kill();
+       kill();
 }
 
-void eThread::kill()
+void eThread::sendSignal(int sig)
 {
-       alive=0;
-       eDebug("waiting for thread shutdown");
-       pthread_join(the_thread, 0);
-       eDebug("ok");
+       if ( alive )
+               pthread_kill( the_thread, sig );
+       else
+               eDebug("send signal to non running thread");
 }
 
-void eThread::sendSignal(int sig)
+void eThread::kill(bool sendcancel)
 {
-       if (alive)
-               pthread_kill(the_thread, sig);
+       if (!the_thread)
+               return;
+       if ( alive && sendcancel )
+       {
+               eDebug("send cancel to thread");
+               pthread_cancel(the_thread);
+       }
+       eDebug("thread joined %d", pthread_join(the_thread, 0));
+       the_thread=0;
 }