/* -----------------------------------------------------------------------------
- * $Id: Main.c,v 1.25 2000/06/25 17:25:42 panne Exp $
*
* (c) The GHC Team 1998-2000
*
#define COMPILING_RTS_MAIN
+#include "PosixSource.h"
#include "Rts.h"
#include "RtsAPI.h"
#include "SchedAPI.h"
+#include "Schedule.h"
#include "RtsFlags.h"
#include "RtsUtils.h"
#include "Prelude.h"
+#include "Task.h"
+#include <stdlib.h>
#ifdef DEBUG
# include "Printer.h" /* for printing */
#endif
-#ifdef INTERPRETER
-# include "Assembler.h"
-#endif
-
#ifdef PAR
-# include "ParInit.h"
# include "Parallel.h"
+# include "ParallelRts.h"
# include "LLC.h"
#endif
# include <windows.h>
#endif
-EXTFUN(__init_PrelMain);
+extern void __stginit_ZCMain(void);
/* Hack: we assume that we're building a batch-mode system unless
* INTERPRETER is set
SchedulerStatus status;
/* all GranSim/GUM init is done in startupHaskell; sets IAmMainThread! */
- startupHaskell(argc,argv,__init_PrelMain);
+ startupHaskell(argc,argv,__stginit_ZCMain);
/* kick off the computation by creating the main thread with a pointer
to mainIO_closure representing the computation of the overall program;
# endif
if (IAmMainThread == rtsTrue) {
- fprintf(stderr, "Main Thread Started ...\n");
+ IF_PAR_DEBUG(verbose,
+ debugBelch("==== [%x] Main Thread Started ...\n", mytid));
/* ToDo: Dump event for the main thread */
- status = rts_evalIO((HaskellObj)mainIO_closure, NULL);
+ status = rts_mainLazyIO((HaskellObj)mainIO_closure, NULL);
} else {
/* Just to show we're alive */
IF_PAR_DEBUG(verbose,
- fprintf(stderr, "== [%x] Non-Main PE enters scheduler via taskStart() without work ...\n",
+ debugBelch("== [%x] Non-Main PE enters scheduler via taskStart() without work ...\n",
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)
/* ToDo: Dump event for the main thread */
- status = rts_evalIO(mainIO_closure, NULL);
+ status = rts_mainLazyIO(mainIO_closure, NULL);
# else /* !PAR && !GRAN */
/* ToDo: want to start with a larger stack size */
- status = rts_evalIO((HaskellObj)mainIO_closure, NULL);
+ {
+ void *cap = rts_lock();
+ cap = rts_evalLazyIO(cap,(HaskellObj)(void *)mainIO_closure, NULL);
+ status = rts_getSchedStatus(cap);
+ rts_unlock(cap);
+ }
# endif /* !PAR && !GRAN */
- // ToDo: update for parallel execution
/* check the status of the entire Haskell computation */
switch (status) {
- case Deadlock:
- prog_belch("no threads to run: infinite loop or deadlock?");
- exit_status = EXIT_DEADLOCK;
- break;
case Killed:
- prog_belch("main thread exited (uncaught exception)");
+ errorBelch("main thread exited (uncaught exception)");
exit_status = EXIT_KILLED;
break;
case Interrupted:
- prog_belch("interrupted");
+ errorBelch("interrupted");
exit_status = EXIT_INTERRUPTED;
break;
case Success:
exit_status = EXIT_SUCCESS;
break;
+#if defined(PAR)
+ case NoStatus:
+ errorBelch("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");
}