*
* ---------------------------------------------------------------------------*/
-#include "PosixSource.h"
+// PAPI uses caddr_t, which is not POSIX
+// #include "PosixSource.h"
+
#include "Rts.h"
#include "RtsAPI.h"
#include "RtsUtils.h"
#include "RtsFlags.h"
#include "OSThreads.h"
-#include "Storage.h" /* initStorage, exitStorage */
#include "Schedule.h" /* initScheduler */
#include "Stats.h" /* initStats */
#include "STM.h" /* initSTM */
#include "Signals.h"
#include "RtsSignals.h"
+#include "ThrIOManager.h"
#include "Timer.h" /* startTimer, stopTimer */
#include "Weak.h"
#include "Ticky.h"
#include "Trace.h"
#include "RtsTypeable.h"
#include "Stable.h"
+#include "Hpc.h"
+#include "FileLock.h"
#if defined(RTS_GTK_FRONTPANEL)
#include "FrontPanel.h"
#endif
-#if defined(PROFILING) || defined(DEBUG)
# include "Profiling.h"
+
+#if defined(PROFILING)
# include "ProfHeap.h"
# include "RetainerProfile.h"
#endif
# include "LLC.h"
#endif
-#if defined(mingw32_HOST_OS)
+#if defined(mingw32_HOST_OS) && !defined(THREADED_RTS)
#include "win32/AsyncIO.h"
#endif
#include <signal.h>
#endif
+#if USE_PAPI
+#include "Papi.h"
+#endif
+
// Count of how many outstanding hs_init()s there have been.
static int hs_init_count = 0;
return;
}
- /* The very first thing we do is grab the start time...just in case we're
+#if defined(DEBUG)
+ /* Start off by initialising the allocator debugging so we can
+ * use it anywhere */
+ initAllocator();
+#endif
+
+ /* Next we do is grab the start time...just in case we're
* collecting timing statistics.
*/
stat_startInit();
#endif
/* Set the RTS flags to default values. */
+
initRtsFlagsDefaults();
/* Call the user hook to reset defaults, if present */
/* Parse the flags, separating the RTS flags from the programs args */
if (argc != NULL && argv != NULL) {
+ setFullProgArgv(*argc,*argv);
setupRtsFlags(argc, *argv, &rts_argc, rts_argv);
setProgArgv(*argc,*argv);
}
+#ifdef USE_PAPI
+ papi_init();
+#endif
+
/* initTracing must be after setupRtsFlags() */
initTracing();
synchroniseSystem(); // calls initParallelSystem etc
#endif /* PAR */
- /* Perform initialisation of adjustor thunk layer. */
- initAdjustor();
-
/* initialise scheduler data structures (needs to be done before
* initStorage()).
*/
/* initialise the shared Typeable store */
initTypeableStore();
+ /* initialise file locking, if necessary */
+#if !defined(mingw32_HOST_OS)
+ initFileLocking();
+#endif
+
#if defined(DEBUG)
/* initialise thread label table (tso->char*) */
initThreadLabelTable();
#endif
-#if defined(PROFILING) || defined(DEBUG)
initProfiling1();
-#endif
/* start the virtual timer 'subsystem'. */
+ initTimer();
startTimer();
/* Initialise the stats department */
initStats();
#if defined(RTS_USER_SIGNALS)
- /* Initialise the user signal handler set */
- initUserSignals();
- /* Set up handler to run on SIGINT, etc. */
- initDefaultHandlers();
+ if (RtsFlags.MiscFlags.install_signal_handlers) {
+ /* Initialise the user signal handler set */
+ initUserSignals();
+ /* Set up handler to run on SIGINT, etc. */
+ initDefaultHandlers();
+ }
#endif
-#if defined(mingw32_HOST_OS)
+#if defined(mingw32_HOST_OS) && !defined(THREADED_RTS)
startupAsyncIO();
#endif
x86_init_fpu();
#endif
-#if defined(THREADED_RTS) && !defined(mingw32_HOST_OS)
- ioManagerStart();
-#endif
-
/* Record initialization times */
stat_endInit();
}
{
bdescr *bd;
nat init_sp;
- Capability *cap = &MainCapability;
+ Capability *cap;
+
+ cap = rts_lock();
if (hs_init_count <= 0) {
barf("hs_add_root() must be called after hs_init()");
startupHpc();
-#if defined(PROFILING) || defined(DEBUG)
// This must be done after module initialisation.
// ToDo: make this work in the presence of multiple hs_add_root()s.
initProfiling2();
+
+ rts_unlock(cap);
+
+ // ditto.
+#if defined(THREADED_RTS)
+ ioManagerStart();
#endif
}
-/* -----------------------------------------------------------------------------
- Shutting down the RTS
- -------------------------------------------------------------------------- */
+/* ----------------------------------------------------------------------------
+ * Shutting down the RTS
+ *
+ * The wait_foreign parameter means:
+ * True ==> wait for any threads doing foreign calls now.
+ * False ==> threads doing foreign calls may return in the
+ * future, but will immediately block on a mutex.
+ * (capability->lock).
+ *
+ * If this RTS is a DLL that we're about to unload, then you want
+ * safe=True, otherwise the thread might return to code that has been
+ * unloaded. If this is a standalone program that is about to exit,
+ * then you can get away with safe=False, which is better because we
+ * won't hang on exit if there is a blocked foreign call outstanding.
+ *
+ ------------------------------------------------------------------------- */
-void
-hs_exit(void)
+static void
+hs_exit_(rtsBool wait_foreign)
{
if (hs_init_count <= 0) {
errorBelch("warning: too many hs_exit()s");
/* start timing the shutdown */
stat_startExit();
-#if defined(THREADED_RTS) && !defined(mingw32_HOST_OS)
+#if defined(RTS_USER_SIGNALS)
+ if (RtsFlags.MiscFlags.install_signal_handlers) {
+ freeSignalHandlers();
+ }
+#endif
+
+#if defined(THREADED_RTS)
ioManagerDie();
#endif
/* stop all running tasks */
- exitScheduler();
+ exitScheduler(wait_foreign);
#if defined(GRAN)
/* end_gr_simulation prints global stats if requested -- HWL */
/* stop the ticker */
stopTimer();
-
+ exitTimer();
+
/* reset the standard file descriptors to blocking mode */
resetNonBlockingFd(0);
resetNonBlockingFd(1);
// also outputs the stats (+RTS -s) info.
exitStorage();
+ /* free the tasks */
+ freeScheduler();
+
/* free shared Typeable store */
exitTypeableStore();
- /* initialise the stable pointer table */
+ /* free file locking tables, if necessary */
+#if !defined(mingw32_HOST_OS)
+ freeFileLocking();
+#endif
+
+ /* free the stable pointer table */
exitStablePtrTable();
- /* free hash table storage */
- exitHashTable();
+#if defined(DEBUG)
+ /* free the thread label table */
+ freeThreadLabelTable();
+#endif
#ifdef RTS_GTK_FRONTPANEL
if (RtsFlags.GcFlags.frontpanel) {
reportCCSProfiling();
#endif
-#if defined(PROFILING) || defined(DEBUG)
endProfiling();
-#endif
+ freeProfiling1();
#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);
+ if (prof_file != NULL) fclose(prof_file);
#endif
#if defined(TICKY_TICKY)
if (RtsFlags.TickyFlags.showTickyStats) PrintTickyInfo();
#endif
-#if defined(mingw32_HOST_OS)
- shutdownAsyncIO();
+#if defined(mingw32_HOST_OS) && !defined(THREADED_RTS)
+ shutdownAsyncIO(wait_foreign);
#endif
- // Finally, free all our storage.
+ /* free hash table storage */
+ exitHashTable();
+
+ // Finally, free all our storage
freeStorage();
+
+#if defined(DEBUG)
+ /* and shut down the allocator debugging */
+ shutdownAllocator();
+#endif
+
+}
+
+// The real hs_exit():
+void
+hs_exit(void)
+{
+ hs_exit_(rtsTrue);
+ // be safe; this might be a DLL
}
// Compatibility interfaces
{
if (hs_init_count == 1) {
OnExitHook();
- hs_exit();
+ hs_exit_(rtsFalse);
+ // we're about to exit(), no need to wait for foreign calls to return.
#if defined(PAR)
/* really exit (stg_exit() would call shutdownParallelSystem() again) */
exit(n);