#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
/* 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);
}
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) && !defined(THREADED_RTS)
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();
-#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(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);
/* 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
#endif
#if defined(mingw32_HOST_OS) && !defined(THREADED_RTS)
- shutdownAsyncIO();
+ shutdownAsyncIO(wait_foreign);
#endif
+ /* free hash table storage */
+ exitHashTable();
+
// Finally, free all our storage
freeStorage();
}
+// The real hs_exit():
+void
+hs_exit(void)
+{
+ hs_exit_(rtsTrue);
+ // be safe; this might be a DLL
+}
+
// Compatibility interfaces
void
shutdownHaskell(void)
{
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);