From 710d005740f6d7246cce99f6d10b4e86a6d4ae4f Mon Sep 17 00:00:00 2001
From: tharris <unknown>
Date: Mon, 21 Nov 2005 20:00:55 +0000
Subject: [PATCH] [project @ 2005-11-21 20:00:55 by tharris] Files missed from
 STM implementation changes

---
 ghc/includes/Closures.h |    6 +++---
 ghc/includes/STM.h      |   17 ++++++++---------
 2 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/ghc/includes/Closures.h b/ghc/includes/Closures.h
index df3bca3..e8966d0 100644
--- a/ghc/includes/Closures.h
+++ b/ghc/includes/Closures.h
@@ -358,7 +358,7 @@ typedef struct {
   StgClosure                *volatile current_value;
   StgTVarWaitQueue          *volatile first_wait_queue_entry;
 #if defined(SMP)
-  struct StgTRecHeader_     *volatile last_update_by;
+  StgInt                     volatile num_updates;
 #endif
 } StgTVar;
 
@@ -369,11 +369,11 @@ typedef struct {
   StgClosure                *expected_value;
   StgClosure                *new_value; 
 #if defined(SMP)
-  struct StgTRecHeader_     *saw_update_by;
+  StgInt                     num_updates;
 #endif
 } TRecEntry;
 
-#define TREC_CHUNK_NUM_ENTRIES 256
+#define TREC_CHUNK_NUM_ENTRIES 16
 
 typedef struct StgTRecChunk_ {
   StgHeader                  header;
diff --git a/ghc/includes/STM.h b/ghc/includes/STM.h
index b74d2bb..3065ddc 100644
--- a/ghc/includes/STM.h
+++ b/ghc/includes/STM.h
@@ -46,13 +46,10 @@ extern "C" {
 
 /*----------------------------------------------------------------------
 
-   Start of day
-   ------------
-
+   GC interaction
+   --------------
 */
 
-extern void initSTM(void);
-
 extern void stmPreGCHook(void);
 
 /*----------------------------------------------------------------------
@@ -76,7 +73,7 @@ extern StgTRecHeader *stmStartNestedTransaction(Capability *cap, StgTRecHeader *
  * transaction contexts doomed to abort.
  */
 
-extern void stmAbortTransaction(StgTRecHeader *trec);
+extern void stmAbortTransaction(Capability *cap, StgTRecHeader *trec);
 
 /*
  * Ensure that a subsequent commit / validation will fail.  We use this 
@@ -87,7 +84,7 @@ extern void stmAbortTransaction(StgTRecHeader *trec);
  * in case other threads' updates make it valid in the mean time.
  */
 
-extern void stmCondemnTransaction(StgTRecHeader *trec);
+extern void stmCondemnTransaction(Capability *cap, StgTRecHeader *trec);
 
 /*
  * Return the trec within which the specified trec was created (not
@@ -165,13 +162,15 @@ extern StgBool stmCommitNestedTransaction(Capability *cap, StgTRecHeader *trec);
  * Test whether the current transaction context is valid and, if so,
  * start the thread waiting for updates to any of the tvars it has
  * ready from and mark it as blocked.  It is an error to call stmWait
- * if the thread is already waiting.
+ * if the thread is already waiting.  
  */
 
 extern StgBool stmWait(Capability *cap,
                        StgTSO *tso, 
                        StgTRecHeader *trec);
 
+extern void stmWaitUnlock(Capability *cap, StgTRecHeader *trec);
+
 /*
  * Test whether the current transaction context is valid and, if so,
  * leave the thread waiting and mark it as blocked again.  If the
@@ -180,7 +179,7 @@ extern StgBool stmWait(Capability *cap,
  * thread is not waiting.
  */
 
-extern StgBool stmReWait(StgTSO *tso);
+extern StgBool stmReWait(Capability *cap, StgTSO *tso);
 
 /*----------------------------------------------------------------------
 
-- 
1.7.10.4