[project @ 2001-09-04 18:29:20 by ken]

[ghc-hetmet.git] / ghc / rts / Main.c

diff --git a/ghc/rts/Main.c b/ghc/rts/Main.c
index f66ecdf..83fb115 100644 (file)
--- a/ghc/rts/Main.c
+++ b/ghc/rts/Main.c
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------------------
- * $Id: Main.c,v 1.25 2000/06/25 17:25:42 panne Exp $
+ * $Id: Main.c,v 1.31 2001/09/04 18:29:21 ken Exp $
  *
  * (c) The GHC Team 1998-2000
  *
@@ -9,6 +9,7 @@
 
 #define COMPILING_RTS_MAIN
 
+#include "PosixSource.h"
 #include "Rts.h"
 #include "RtsAPI.h"
 #include "SchedAPI.h"
@@ -25,8 +26,8 @@
 #endif
 
 #ifdef PAR
-# include "ParInit.h"
 # include "Parallel.h"
+# include "ParallelRts.h"
 # include "LLC.h"
 #endif
 
@@ -38,7 +39,7 @@
 # include <windows.h>
 #endif
 
-EXTFUN(__init_PrelMain);
+extern void __stginit_PrelMain(void);
 
 /* Hack: we assume that we're building a batch-mode system unless 
  * INTERPRETER is set
@@ -50,7 +51,7 @@ int main(int argc, char *argv[])
     SchedulerStatus status;
     /* all GranSim/GUM init is done in startupHaskell; sets IAmMainThread! */
 
-    startupHaskell(argc,argv,__init_PrelMain);
+    startupHaskell(argc,argv,__stginit_PrelMain);
 
     /* kick off the computation by creating the main thread with a pointer
        to mainIO_closure representing the computation of the overall program;
@@ -78,7 +79,8 @@ int main(int argc, char *argv[])
 #   endif
 
     if (IAmMainThread == rtsTrue) {
-      fprintf(stderr, "Main Thread Started ...\n");
+      IF_PAR_DEBUG(verbose,
+                  fprintf(stderr, "==== [%x] Main Thread Started ...\n", mytid));
 
       /* ToDo: Dump event for the main thread */
       status = rts_evalIO((HaskellObj)mainIO_closure, NULL);
@@ -89,7 +91,8 @@ int main(int argc, char *argv[])
                           mytid));
      
       /* all non-main threads enter the scheduler without work */
-      status = rts_evalNothing((StgClosure*)NULL);
+      taskStart();       
+      status = Success;  // declare victory (see shutdownParallelSystem)
     }
 
 #  elif defined(GRAN)
@@ -104,7 +107,6 @@ int main(int argc, char *argv[])
 
 #  endif /* !PAR && !GRAN */
 
-    // ToDo: update for parallel execution
     /* check the status of the entire Haskell computation */
     switch (status) {
     case Deadlock:
@@ -122,6 +124,12 @@ int main(int argc, char *argv[])
     case Success:
       exit_status = EXIT_SUCCESS;
       break;
+#if defined(PAR)
+    case NoStatus:
+      prog_belch("main thread PE killed; probably due to failure of another PE; check /tmp/pvml...");
+      exit_status = EXIT_KILLED;
+      break;
+#endif 
     default:
       barf("main thread completed with invalid status");
     }