Ensure runhaskell is rebuild in stage2

[ghc-hetmet.git] / rts / RtsStartup.c

diff --git a/rts/RtsStartup.c b/rts/RtsStartup.c
index 7dce06e..0ce17fe 100644 (file)
--- a/rts/RtsStartup.c
+++ b/rts/RtsStartup.c
@@ -33,6 +33,7 @@
 #include "RtsTypeable.h"
 #include "Stable.h"
 #include "Hpc.h"
+#include "FileLock.h"
 
 #if defined(RTS_GTK_FRONTPANEL)
 #include "FrontPanel.h"
@@ -199,6 +200,7 @@ hs_init(int *argc, char **argv[])
 
     /* 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);
     }
@@ -237,6 +239,11 @@ hs_init(int *argc, char **argv[])
     /* 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();
@@ -245,6 +252,7 @@ hs_init(int *argc, char **argv[])
     initProfiling1();
 
     /* start the virtual timer 'subsystem'. */
+    initTimer();
     startTimer();
 
     /* Initialise the stats department */
@@ -273,10 +281,6 @@ hs_init(int *argc, char **argv[])
     x86_init_fpu();
 #endif
 
-#if defined(THREADED_RTS)
-    ioManagerStart();
-#endif
-
     /* Record initialization times */
     stat_endInit();
 }
@@ -352,14 +356,32 @@ hs_add_root(void (*init_root)(void))
     // This must be done after module initialisation.
     // ToDo: make this work in the presence of multiple hs_add_root()s.
     initProfiling2();
+
+    // 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");
@@ -385,7 +407,7 @@ hs_exit(void)
 #endif
 
     /* stop all running tasks */
-    exitScheduler();
+    exitScheduler(wait_foreign);
     
 #if defined(GRAN)
     /* end_gr_simulation prints global stats if requested -- HWL */
@@ -395,6 +417,7 @@ hs_exit(void)
     
     /* stop the ticker */
     stopTimer();
+    exitTimer();
 
     /* reset the standard file descriptors to blocking mode */
     resetNonBlockingFd(0);
@@ -446,11 +469,14 @@ hs_exit(void)
     /* free shared Typeable store */
     exitTypeableStore();
 
+    /* free file locking tables, if necessary */
+#if !defined(mingw32_HOST_OS)    
+    freeFileLocking();
+#endif
+
     /* free the stable pointer table */
     exitStablePtrTable();
 
-    freeProfiling1();
-
 #if defined(DEBUG)
     /* free the thread label table */
     freeThreadLabelTable();
@@ -467,12 +493,13 @@ hs_exit(void)
 #endif
 
     endProfiling();
+    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)
@@ -480,7 +507,7 @@ hs_exit(void)
 #endif
 
 #if defined(mingw32_HOST_OS) && !defined(THREADED_RTS)
-    shutdownAsyncIO();
+    shutdownAsyncIO(wait_foreign);
 #endif
 
     /* free hash table storage */
@@ -496,6 +523,14 @@ hs_exit(void)
 
 }
 
+// The real hs_exit():
+void
+hs_exit(void)
+{
+    hs_exit_(rtsTrue);
+    // be safe; this might be a DLL
+}
+
 // Compatibility interfaces
 void
 shutdownHaskell(void)
@@ -508,7 +543,8 @@ shutdownHaskellAndExit(int n)
 {
     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);