/* -----------------------------------------------------------------------------
- * $Id: RtsStartup.c,v 1.38 2000/04/03 15:54:50 simonmar Exp $
+ * $Id: RtsStartup.c,v 1.53 2001/09/04 18:29:21 ken 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 */
+#include "HsFFI.h"
+#include "Linker.h"
+
+#if defined(RTS_GTK_FRONTPANEL)
+#include "FrontPanel.h"
+#endif
#if defined(PROFILING) || defined(DEBUG)
# include "Profiling.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);
-static void initModules ( void * );
+EXTFUN(__stginit_Prelude);
+static void initModules ( void (*)(void) );
+
+void
+setProgArgv(int argc, char *argv[])
+{
+ /* 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
-startupHaskell(int argc, char *argv[], void *init_root)
+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)
/* 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
#endif
/* run the per-module initialisation code */
-#if !defined(INTERPRETER)
initModules(init_root);
-#endif
#if defined(PROFILING) || defined(DEBUG)
initProfiling2();
init_default_handlers();
#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);
+#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_<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,
StgRun to call this stuff.
-------------------------------------------------------------------------- */
-#ifndef INTERPRETER
-
/* The init functions use an explicit stack...
*/
#define INIT_STACK_SIZE (BLOCK_SIZE * 4)
nat init_sp = 0;
static void
-initModules ( void *init_root )
+initModules ( void (*init_root)(void) )
{
- init_sp = 0;
- init_stack = (F_ *)allocate(INIT_STACK_SIZE / sizeof(W_));
- init_stack[init_sp++] = (F_)stg_init_ret;
- init_stack[init_sp++] = (F_)__init_Prelude;
- if (init_root != NULL) {
- init_stack[init_sp++] = (F_)init_root;
- }
-
- MainRegTable.rSp = (P_)(init_stack + init_sp);
- StgRun((StgFunPtr)stg_init, NULL/* no reg table */);
-}
+#ifdef SMP
+ Capability cap;
+#else
+#define cap MainRegTable
+#endif
-#endif /* !INTERPRETER */
+ init_sp = 0;
+ init_stack = (F_ *)allocate(INIT_STACK_SIZE / sizeof(W_));
+ 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.rSp = (P_)(init_stack + init_sp);
+ StgRun((StgFunPtr)stg_init, &cap);
+}
/* -----------------------------------------------------------------------------
* 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
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 */
*/
exitStorage();
+#ifdef RTS_GTK_FRONTPANEL
+ if (RtsFlags.GcFlags.frontpanel) {
+ stopFrontPanel();
+ }
+#endif
+
#if defined(PROFILING) || defined(DEBUG)
endProfiling();
#endif
#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