do a bit of by-hand CSE

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

diff --git a/rts/RtsStartup.c b/rts/RtsStartup.c
index edb8088..bc169ff 100644 (file)
--- a/rts/RtsStartup.c
+++ b/rts/RtsStartup.c
@@ -34,6 +34,7 @@
 #include "Profiling.h"
 #include "Timer.h"
 #include "Globals.h"
+void exitLinker( void );       // there is no Linker.h file to include
 
 #if defined(RTS_GTK_FRONTPANEL)
 #include "FrontPanel.h"
@@ -68,8 +69,8 @@
 static int hs_init_count = 0;
 
 /* -----------------------------------------------------------------------------
-   Initialise floating point unit on x86 (currently disabled. why?)
-   (see comment in ghc/compiler/nativeGen/MachInstrs.lhs).
+   Initialise floating point unit on x86 (currently disabled; See Note
+   [x86 Floating point precision] in compiler/nativeGen/X86/Instr.hs)
    -------------------------------------------------------------------------- */
 
 #define X86_INIT_FPU 0
@@ -118,12 +119,6 @@ hs_init(int *argc, char **argv[])
      */
     stat_startInit();
 
-#if defined(DEBUG)
-    /* Start off by initialising the allocator debugging so we can
-     * use it anywhere */
-    initAllocator();
-#endif
-
     /* Set the RTS flags to default values. */
 
     initRtsFlagsDefaults();
@@ -149,6 +144,9 @@ hs_init(int *argc, char **argv[])
 #ifdef TRACING
     initTracing();
 #endif
+    /* Dtrace events are always enabled
+     */
+    dtraceEventStartup();
 
     /* initialise scheduler data structures (needs to be done before
      * initStorage()).
@@ -167,13 +165,22 @@ hs_init(int *argc, char **argv[])
      */
     getStablePtr((StgPtr)runIO_closure);
     getStablePtr((StgPtr)runNonIO_closure);
+
+    getStablePtr((StgPtr)runFinalizerBatch_closure);
+
     getStablePtr((StgPtr)stackOverflow_closure);
     getStablePtr((StgPtr)heapOverflow_closure);
-    getStablePtr((StgPtr)runFinalizerBatch_closure);
     getStablePtr((StgPtr)unpackCString_closure);
     getStablePtr((StgPtr)blockedIndefinitelyOnMVar_closure);
     getStablePtr((StgPtr)nonTermination_closure);
     getStablePtr((StgPtr)blockedIndefinitelyOnSTM_closure);
+    getStablePtr((StgPtr)nestedAtomically_closure);
+
+    getStablePtr((StgPtr)runSparks_closure);
+    getStablePtr((StgPtr)ensureIOManagerIsRunning_closure);
+#ifndef mingw32_HOST_OS
+    getStablePtr((StgPtr)runHandlers_closure);
+#endif
 
     /* initialise the shared Typeable store */
     initGlobalStore();
@@ -338,6 +345,9 @@ hs_exit_(rtsBool wait_foreign)
     
     OnExitHook();
 
+    // Free the full argv storage
+    freeFullProgArgv();
+
 #if defined(THREADED_RTS)
     ioManagerDie();
 #endif
@@ -356,7 +366,7 @@ hs_exit_(rtsBool wait_foreign)
 
     /* stop the ticker */
     stopTimer();
-    exitTimer();
+    exitTimer(wait_foreign);
 
     // set the terminal settings back to what they were
 #if !defined(mingw32_HOST_OS)    
@@ -382,6 +392,9 @@ hs_exit_(rtsBool wait_foreign)
     /* free shared Typeable store */
     exitGlobalStore();
 
+    /* free linker data */
+    exitLinker();
+
     /* free file locking tables, if necessary */
 #if !defined(mingw32_HOST_OS)    
     freeFileLocking();
@@ -431,13 +444,11 @@ hs_exit_(rtsBool wait_foreign)
     /* free hash table storage */
     exitHashTable();
 
-    // Finally, free all our storage
-    freeStorage();
-
-#if defined(DEBUG)
-    /* and shut down the allocator debugging */
-    shutdownAllocator();
-#endif
+    // Finally, free all our storage.  However, we only free the heap
+    // memory if we have waited for foreign calls to complete;
+    // otherwise a foreign call in progress may still be referencing
+    // heap memory (e.g. by being passed a ByteArray#).
+    freeStorage(wait_foreign);
 
 }