univ.i Added a new debug define option

sync0sync.ic	Do not use GCC in-line assembly
srv0start.h	Eliminate a deadlock of threads at startup
buf0buf.h	Add some debug functions
srv0start.c	Remove a printf

innobase/include/buf0buf.h

@@ -293,6 +293,32 @@ buf_page_peek_block(
 	ulint	space,	/* in: space id */
 	ulint	offset);/* in: page number */
 /************************************************************************
+Sets file_page_was_freed TRUE if the page is found in the buffer pool.
+This function should be called when we free a file page and want the
+debug version to check that it is not accessed any more unless
+reallocated. */
+
+buf_block_t*
+buf_page_set_file_page_was_freed(
+/*=============================*/
+			/* out: control block if found from page hash table,
+			otherwise NULL */
+	ulint	space,	/* in: space id */
+	ulint	offset);	/* in: page number */
+/************************************************************************
+Sets file_page_was_freed FALSE if the page is found in the buffer pool.
+This function should be called when we free a file page and want the
+debug version to check that it is not accessed any more unless
+reallocated. */
+
+buf_block_t*
+buf_page_reset_file_page_was_freed(
+/*===============================*/
+			/* out: control block if found from page hash table,
+			otherwise NULL */
+	ulint	space,	/* in: space id */
+	ulint	offset);	/* in: page number */
+/************************************************************************
 Recommends a move of a block to the start of the LRU list if there is danger
 of dropping from the buffer pool. NOTE: does not reserve the buffer pool
 mutex. */
@@ -706,6 +732,9 @@ struct buf_block_struct{
 					which bufferfixes the block acquires
 					an s-latch here; so we can use the
 					debug utilities in sync0rw */
+        ibool           file_page_was_freed;
+                                        /* this is set to TRUE when fsp
+                                        frees a page in buffer pool */
 };
 
 /* The buffer pool structure. NOTE! The definition appears here only for

innobase/include/srv0start.h

@@ -28,4 +28,7 @@ int
 innobase_shutdown_for_mysql(void);
 /*=============================*/
 				/* out: DB_SUCCESS or error code */
+
+extern     ibool     srv_startup_is_before_trx_rollback_phase;
+
 #endif

innobase/include/sync0sync.ic

@@ -86,7 +86,7 @@ mutex_test_and_set(
 	/* mutex_fence(); */
 
 	return(res);
-#elif defined(__GNUC__) && defined(UNIV_INTEL_X86)
+#elif defined(not_defined) && defined(__GNUC__) && defined(UNIV_INTEL_X86)
 	ulint*	lw;
 	ulint	res;
 
@@ -134,7 +134,7 @@ mutex_reset_lock_word(
 	__asm   MOV     EDX, 0
         __asm   MOV     ECX, lw
         __asm   XCHG    EDX, DWORD PTR [ECX]                    
-#elif defined(__GNUC__) && defined(UNIV_INTEL_X86)
+#elif defined(not_defined) && defined(__GNUC__) && defined(UNIV_INTEL_X86)
 	ulint*	lw;
 
 	lw = &(mutex->lock_word);

innobase/include/univ.i

@@ -74,6 +74,8 @@ subdirectory of 'mysql'. */
 
 #define UNIV_SYNC_PERF_STAT
 #define UNIV_SEARCH_PERF_STAT
+
+#define UNIV_DEBUG_FILE_ACCESSES
 */
 #define UNIV_LIGHT_MEM_DEBUG
 

innobase/srv/srv0start.c

@@ -550,8 +550,9 @@ innobase_start_or_create_for_mysql(void)
 	  return(DB_ERROR);
 	}
 
+	/*
 	printf("srv_unix set to %lu\n", srv_unix_file_flush_method);
-
+	*/
 	os_aio_use_native_aio = srv_use_native_aio;
 
 	err = srv_boot();