--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/Linux/plc_Linux_main.c	Wed Aug 20 10:10:34 2008 +0200
@@ -0,0 +1,112 @@
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <pthread.h> 
+
+long AtomicCompareExchange(long* atomicvar,long exchange, long compared)
+{
+    return __sync_val_compare_and_swap(atomicvar, compared, exchange);
+}
+
+//long AtomicExchange(long* atomicvar,long exchange)
+//{
+//    return __sync_lock_test_and_set(atomicvar, exchange);
+//}
+
+void PLC_GetTime(IEC_TIME *CURRENT_TIME)
+{
+    clock_gettime(CLOCK_REALTIME, CURRENT_TIME);
+}
+
+void PLC_timer_notify(sigval_t val)
+{
+    PLC_GetTime(&__CURRENT_TIME);
+    __run();
+}
+
+timer_t PLC_timer;
+
+void PLC_SetTimer(long long next, long long period)
+{
+    struct itimerspec timerValues;
+	/*
+	printf("SetTimer(%lld,%lld)\n",next, period);
+	*/
+    memset (&timerValues, 0, sizeof (struct itimerspec));
+	{
+#ifdef __lldiv_t_defined
+		lldiv_t nxt_div = lldiv(next, 1000000000);
+		lldiv_t period_div = lldiv(period, 1000000000);
+	    timerValues.it_value.tv_sec = nxt_div.quot;
+	    timerValues.it_value.tv_nsec = nxt_div.rem;
+	    timerValues.it_interval.tv_sec = period_div.quot;
+	    timerValues.it_interval.tv_nsec = period_div.rem;
+#else
+	    timerValues.it_value.tv_sec = next / 1000000000;
+	    timerValues.it_value.tv_nsec = next % 1000000000;
+	    timerValues.it_interval.tv_sec = period / 1000000000;
+	    timerValues.it_interval.tv_nsec = period % 1000000000;
+#endif
+	}	
+    timer_settime (PLC_timer, 0, &timerValues, NULL);
+}
+//
+void catch_signal(int sig)
+{
+//  signal(SIGTERM, catch_signal);
+  signal(SIGINT, catch_signal);
+  printf("Got Signal %d\n",sig);
+  exit(0);
+}
+
+int startPLC(int argc,char **argv)
+{
+    struct sigevent sigev;
+    /* Translate PLC's microseconds to Ttick nanoseconds */
+    Ttick = 1000000 * maxval(common_ticktime__,1);
+    
+    memset (&sigev, 0, sizeof (struct sigevent));
+    sigev.sigev_value.sival_int = 0;
+    sigev.sigev_notify = SIGEV_THREAD;
+    sigev.sigev_notify_attributes = NULL;
+    sigev.sigev_notify_function = PLC_timer_notify;
+
+    timer_create (CLOCK_REALTIME, &sigev, &PLC_timer);
+    if(  __init(argc,argv) == 0 ){
+        PLC_SetTimer(Ttick,Ttick);
+        
+        /* install signal handler for manual break */
+//        signal(SIGTERM, catch_signal);
+        signal(SIGINT, catch_signal);
+    }else{
+        return 1;
+    }
+    return 0;
+}
+
+int stopPLC()
+{
+    /* Stop the PLC */
+    PLC_SetTimer(0,0);
+    timer_delete (PLC_timer);
+    __cleanup();
+}
+
+pthread_mutex_t DebugLock = PTHREAD_MUTEX_INITIALIZER;
+
+/* from plc_debugger.c */
+void WaitDebugData()
+{
+    /* Wait signal from PLC thread */
+    pthread_mutex_lock(&DebugLock);
+}
+ 
+/* Called by PLC thread when debug_publish finished
+ * This is supposed to unlock debugger thread in WaitDebugData*/
+void InitiateDebugTransfer()
+{
+    /* signal debugger thread to continue*/
+    pthread_mutex_unlock(&DebugLock);
+}