/* -----------------------------------------------------------------------------
- * $Id: RtsStartup.c,v 1.47 2001/02/09 12:09:33 simonmar Exp $
+ * $Id: RtsStartup.c,v 1.56 2001/11/22 14:25:12 simonmar Exp $
*
* (c) The GHC Team, 1998-2000
*
*
* ---------------------------------------------------------------------------*/
+#include "PosixSource.h"
#include "Rts.h"
#include "RtsAPI.h"
#include "RtsUtils.h"
#include "StgRun.h"
#include "StgStartup.h"
#include "Prelude.h" /* fixupRTStoPreludeRefs */
-
-#ifdef GHCI
#include "HsFFI.h"
#include "Linker.h"
-#endif
#if defined(RTS_GTK_FRONTPANEL)
#include "FrontPanel.h"
#if defined(PROFILING) || defined(DEBUG)
# 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
/*
static int rts_has_started_up = 0;
#if defined(PAR)
-static ullong startTime = 0;
+ullong startTime = 0;
#endif
-EXTFUN(__init_Prelude);
+EXTFUN(__stginit_Prelude);
static void initModules ( void (*)(void) );
void
void
startupHaskell(int argc, char *argv[], void (*init_root)(void))
{
- /* To avoid repeated initialisations of the RTS */
+ /* To avoid repeated initialisations of the RTS */
if (rts_has_started_up)
return;
else
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
/* initialize the storage manager */
initStorage();
- /* initialise the object linker, if necessary */
-#ifdef GHCI
- initLinker();
-#endif
-
/* initialise the stable pointer table */
initStablePtrTable();
#endif
/* run the per-module initialisation code */
-#if !defined(INTERPRETER)
initModules(init_root);
-#endif
#if defined(PROFILING) || defined(DEBUG)
initProfiling2();
/* Initialise the user signal handler set */
initUserSignals();
/* Set up handler to run on SIGINT, etc. */
- init_default_handlers();
+ initDefaultHandlers();
#endif
-#if !defined(INTERPRETER)
- /* Initialise pointers from the RTS to the prelude.
- Only for compiled code -- the interpreter
- will call this itself later, so don't do so now.
- */
- fixupRTStoPreludeRefs(NULL);
-#endif
-
#ifdef RTS_GTK_FRONTPANEL
if (RtsFlags.GcFlags.frontpanel) {
initFrontPanel();
- 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_<module>" in each
- module and calls the registration functions in each of the modules
- it imports. So, if we call "__init_PrelMain", each reachable module in the
+ 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,
/* The init functions use an explicit stack...
*/
-#define INIT_STACK_SIZE (BLOCK_SIZE * 4)
+#define INIT_STACK_BLOCKS 4
F_ *init_stack = NULL;
nat init_sp = 0;
-#ifndef INTERPRETER
static void
initModules ( void (*init_root)(void) )
{
+ bdescr *bd;
#ifdef SMP
Capability cap;
#else
-#define cap MainRegTable
+#define cap MainCapability
#endif
init_sp = 0;
- init_stack = (F_ *)allocate(INIT_STACK_SIZE / sizeof(W_));
+ bd = allocGroup(4);
+ init_stack = (F_ *)bd->start;
init_stack[init_sp++] = (F_)stg_init_ret;
- init_stack[init_sp++] = (F_)__init_Prelude;
+ init_stack[init_sp++] = (F_)__stginit_Prelude;
if (init_root != NULL) {
init_stack[init_sp++] = (F_)init_root;
}
- cap.rSp = (P_)(init_stack + init_sp);
- StgRun((StgFunPtr)stg_init, &cap);
+ cap.r.rSp = (P_)(init_stack + init_sp);
+ StgRun((StgFunPtr)stg_init, &cap.r);
+
+ freeGroup(bd);
}
-#endif /* !INTERPRETER */
/* -----------------------------------------------------------------------------
* Shutting down the RTS - two ways of doing this, one which
{
OnExitHook();
shutdownHaskell();
+#if defined(PAR)
+ /* really exit (stg_exit() would call shutdownParallelSystem() again) */
+ exit(n);
+#else
stg_exit(n);
+#endif
}
void
/* start timing the shutdown */
stat_startExit();
+#ifdef PROFILING
+ // @LDV profiling
+ //
+ // Note:
+ // We do not need to perform a major garbage collection because all the
+ // closures created since the last census will not affect the profiling
+ // statistics anyhow.
+ //
+ // Note:
+ // We ignore any object created afterwards.
+ // finalizeWeakPointersNow() may corrupt the heap (because it executes
+ // rts_evalIO(), which adds an initial evaluation stack again).
+ // Thus, we call LdvCensusKillAll() here, and prohibit LDV profiling
+ // afterwards.
+ // Acutally, it is pointless to call LdvCensusKillAll() any later because
+ // no object created later will be taken into account for profiling.
+ if (RtsFlags.ProfFlags.doHeapProfile == HEAP_BY_LDV)
+ LdvCensusKillAll();
+#endif
+
#if !defined(GRAN)
/* Finalize any remaining weak pointers */
finalizeWeakPointersNow();
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 */
}
#endif
+#if defined(PROFILING)
+ report_ccs_profiling();
+#endif
+
#if defined(PROFILING) || defined(DEBUG)
endProfiling();
#endif
-#if defined(PROFILING)
- report_ccs_profiling();
+#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)
#endif
rts_has_started_up=0;
-
}
/*
* 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);
+{
+#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