/* -----------------------------------------------------------------------------
- * $Id: RtsStartup.c,v 1.33 2000/03/14 09:55:05 simonmar Exp $
+ * $Id: RtsStartup.c,v 1.67 2002/12/11 15:36:48 simonmar Exp $
*
* (c) The GHC Team, 1998-2000
*
*
* ---------------------------------------------------------------------------*/
+#include "PosixSource.h"
#include "Rts.h"
#include "RtsAPI.h"
#include "RtsUtils.h"
#include "Ticky.h"
#include "StgRun.h"
#include "StgStartup.h"
-#include "Prelude.h" /* fixupPreludeRefs */
+#include "Prelude.h" /* fixupRTStoPreludeRefs */
+#include "HsFFI.h"
+#include "Linker.h"
+#include "ThreadLabels.h"
+
+#if defined(RTS_GTK_FRONTPANEL)
+#include "FrontPanel.h"
+#endif
#if defined(PROFILING) || defined(DEBUG)
-# include "ProfRts.h"
+# include "Profiling.h"
# include "ProfHeap.h"
+# include "RetainerProfile.h"
#endif
#if defined(GRAN)
-#include "GranSimRts.h"
-#include "ParallelRts.h"
+# include "GranSimRts.h"
+#endif
+
+#if defined(GRAN) || defined(PAR)
+# include "ParallelRts.h"
#endif
#if defined(PAR)
-#include "ParInit.h"
-#include "Parallel.h"
-#include "LLC.h"
+# include "Parallel.h"
+# include "LLC.h"
#endif
+#include <stdlib.h>
+
/*
* Flag Structure
*/
static int rts_has_started_up = 0;
#if defined(PAR)
-static ullong startTime = 0;
+ullong startTime = 0;
#endif
-static void initModules ( void );
+EXTFUN(__stginit_Prelude);
+static void initModules ( void (*)(void) );
void
-startupHaskell(int argc, char *argv[])
+setProgArgv(int argc, char *argv[])
{
- /* To avoid repeated initialisations of the RTS */
- if (rts_has_started_up)
- return;
- else
- rts_has_started_up=1;
+ /* Usually this is done by startupHaskell, so we don't need to call this.
+ However, sometimes Hugs wants to change the arguments which Haskell
+ getArgs >>= ... will be fed. So you can do that by calling here
+ _after_ calling startupHaskell.
+ */
+ prog_argc = argc;
+ prog_argv = argv;
+}
+
+void
+getProgArgv(int *argc, char **argv[])
+{
+ *argc = prog_argc;
+ *argv = prog_argv;
+}
+
+
+void
+startupHaskell(int argc, char *argv[], void (*init_root)(void))
+{
+ /* To avoid repeated initialisations of the RTS */
+ if (rts_has_started_up) {
+ /* RTS is up and running, so only run the per-module initialisation code */
+ if (init_root) {
+ initModules(init_root);
+ }
+ return;
+ } else {
+ rts_has_started_up=1;
+ }
/* The very first thing we do is grab the start time...just in case we're
* collecting timing statistics.
*/
- start_time();
+ stat_startInit();
#ifdef PAR
-/*
- * The parallel system needs to be initialised and synchronised before
- * the program is run.
- */
- fprintf(stderr, "startupHaskell: argv[0]=%s\n", argv[0]);
- if (*argv[0] == '-') { /* Look to see whether we're the Main Thread */
- IAmMainThread = rtsTrue;
- argv++; argc--; /* Strip off flag argument */
- // IF_PAR_DEBUG(verbose,
- fprintf(stderr, "[%x] I am Main Thread\n", mytid);
+ /*
+ * The parallel system needs to be initialised and synchronised before
+ * the program is run.
+ */
+ startupParallelSystem(argv);
+
+ if (*argv[0] == '-') { /* Strip off mainPE flag argument */
+ argv++;
+ argc--;
}
- /*
- * Grab the number of PEs out of the argument vector, and
- * eliminate it from further argument processing.
- */
- nPEs = atoi(argv[1]);
- argv[1] = argv[0];
+
+ argv[1] = argv[0]; /* ignore the nPEs argument */
argv++; argc--;
- initEachPEHook(); /* HWL: hook to be execed on each PE */
#endif
/* Set the RTS flags to default values. */
#if defined(PAR)
/* NB: this really must be done after processing the RTS flags */
- fprintf(stderr, "Synchronising system (%d PEs)\n", nPEs);
- SynchroniseSystem(); // calls initParallelSystem etc
+ IF_PAR_DEBUG(verbose,
+ fprintf(stderr, "==== Synchronising system (%d PEs)\n", nPEs));
+ synchroniseSystem(); // calls initParallelSystem etc
#endif /* PAR */
/* initialise scheduler data structures (needs to be done before
/* initialise the stable pointer table */
initStablePtrTable();
+ /* initialise thread label table (tso->char*) */
+ initThreadLabelTable();
+
#if defined(PROFILING) || defined(DEBUG)
initProfiling1();
#endif
/* run the per-module initialisation code */
-#if !defined(INTERPRETER)
- initModules();
-#endif
+ initModules(init_root);
#if defined(PROFILING) || defined(DEBUG)
initProfiling2();
#endif
- /* start the ticker */
- install_vtalrm_handler();
- initialize_virtual_timer(TICK_MILLISECS);
-
- /* start our haskell execution tasks */
-#ifdef SMP
- startTasks();
-#endif
+ /* start the virtual timer 'subsystem'. */
+ startVirtTimer(TICK_MILLISECS);
/* Initialise the stats department */
initStats();
/* Initialise the user signal handler set */
initUserSignals();
/* Set up handler to run on SIGINT, etc. */
- init_default_handlers();
+ initDefaultHandlers();
#endif
- /* Initialise pointers from the RTS to the prelude */
- fixupPreludeRefs();
+#ifdef RTS_GTK_FRONTPANEL
+ if (RtsFlags.GcFlags.frontpanel) {
+ initFrontPanel();
+ }
+#endif
/* Record initialization times */
- end_init();
+ stat_endInit();
}
/* -----------------------------------------------------------------------------
- we supply a unique integer to each statically declared cost
centre and cost centre stack in the program.
- The code generator inserts a small function "__init_<moddule>" in each
- module and calls the registration functions in each of the modules
- it imports. So, if we call "__init_Main", each reachable module in the
- program will be registered.
+ The code generator inserts a small function "__stginit_<module>" in each
+ module and calls the registration functions in each of the modules it
+ imports. So, if we call "__stginit_PrelMain", each reachable module in the
+ program will be registered (because PrelMain.mainIO calls Main.main).
The init* functions are compiled in the same way as STG code,
i.e. without normal C call/return conventions. Hence we must use
StgRun to call this stuff.
-------------------------------------------------------------------------- */
-#ifndef INTERPRETER
-
/* The init functions use an explicit stack...
*/
-#define INIT_STACK_SIZE (BLOCK_SIZE * 4)
-F_ *init_stack;
+#define INIT_STACK_BLOCKS 4
+F_ *init_stack = NULL;
static void
-initModules ( void )
+initModules ( void (*init_root)(void) )
{
- /* this storage will be reclaimed by the garbage collector,
- * as a large block.
- */
- init_stack = (F_ *)allocate(INIT_STACK_SIZE / sizeof(W_));
+ bdescr *bd;
+#ifdef SMP
+ Capability cap;
+#else
+#define cap MainCapability
+#endif
+ nat init_sp;
+
+ init_sp = 0;
+ bd = allocGroup(INIT_STACK_BLOCKS);
+ init_stack = (F_ *)bd->start;
+ init_stack[init_sp++] = (F_)stg_init_ret;
+// init_stack[init_sp++] = (F_)__stginit_Prelude;
+ if (init_root != NULL) {
+ init_stack[init_sp++] = (F_)init_root;
+ }
+
+ cap.r.rSp = (P_)(init_stack + init_sp);
+ StgRun((StgFunPtr)stg_init, &cap.r);
- StgRun((StgFunPtr)stg_init, NULL/* no reg table */);
+ freeGroup(bd);
}
-#endif /* !INTERPRETER */
-
/* -----------------------------------------------------------------------------
* Shutting down the RTS - two ways of doing this, one which
* calls exit(), one that doesn't.
{
OnExitHook();
shutdownHaskell();
+#if defined(PAR)
+ /* really exit (stg_exit() would call shutdownParallelSystem() again) */
+ exit(n);
+#else
stg_exit(n);
+#endif
}
void
{
if (!rts_has_started_up)
return;
-
+ rts_has_started_up=0;
+
/* start timing the shutdown */
stat_startExit();
+ /* stop all running tasks */
+ exitScheduler();
+
#if !defined(GRAN)
/* Finalize any remaining weak pointers */
finalizeWeakPointersNow();
end_gr_simulation();
#endif
- /* stop all running tasks */
- exitScheduler();
-
/* stop the ticker */
- initialize_virtual_timer(0);
+ stopVirtTimer();
/* reset the standard file descriptors to blocking mode */
resetNonBlockingFd(0);
resetNonBlockingFd(1);
resetNonBlockingFd(2);
+#if defined(PAR)
+ /* controlled exit; good thread! */
+ shutdownParallelSystem(0);
+
+ /* global statistics in parallel system */
+ PAR_TICKY_PAR_END();
+#endif
+
/* stop timing the shutdown, we're about to print stats */
stat_endExit();
*/
exitStorage();
-#if defined(PROFILING) || defined(DEBUG)
- endProfiling();
+#ifdef RTS_GTK_FRONTPANEL
+ if (RtsFlags.GcFlags.frontpanel) {
+ stopFrontPanel();
+ }
#endif
#if defined(PROFILING)
- report_ccs_profiling();
+ reportCCSProfiling();
#endif
-#if defined(TICKY_TICKY)
- if (RtsFlags.TickyFlags.showTickyStats) PrintTickyInfo();
+#if defined(PROFILING) || defined(DEBUG)
+ endProfiling();
#endif
- rts_has_started_up=0;
-
-#if defined(PAR)
- shutdownParallelSystem(0);
+#ifdef PROFILING
+ // Originally, this was in report_ccs_profiling(). Now, retainer
+ // profiling might tack some extra stuff on to the end of this file
+ // during endProfiling().
+ fclose(prof_file);
#endif
+#if defined(TICKY_TICKY)
+ if (RtsFlags.TickyFlags.showTickyStats) PrintTickyInfo();
+#endif
}
/*
* called from STG-land to exit the program
*/
+#ifdef PAR
+static int exit_started=rtsFalse;
+#endif
+
void
-stg_exit(I_ n)
-{
-#if 0 /* def PAR */
- par_exit(n);
-#else
- exit(n);
+stg_exit(int n)
+{
+#ifdef PAR
+ /* HACK: avoid a loop when exiting due to a stupid error */
+ if (exit_started)
+ return;
+ exit_started=rtsTrue;
+
+ IF_PAR_DEBUG(verbose, fprintf(stderr,"==-- stg_exit %d on [%x]...", n, mytid));
+ shutdownParallelSystem(n);
#endif
+ exit(n);
}
projects / ghc-hetmet.git / blobdiff