Merge quadxeon.mysql.com:/benchmarks/ext3/TOSAVE/tsmith/bk/51

into  quadxeon.mysql.com:/benchmarks/ext3/TOSAVE/tsmith/bk/maint/51


include/my_global.h:
  Auto merged
mysql-test/mysql-test-run.pl:
  Auto merged
strings/strtod.c:
  Auto merged

2 files changed, 7 insertions, 1 deletions

diff --git a/include/keycache.h b/include/keycache.h
index dc763b8cc08..4d99c68844f 100644
--- a/include/keycache.h
+++ b/include/keycache.h
@@ -44,6 +44,7 @@ typedef struct st_keycache_wqueue
 typedef struct st_key_cache
 {
   my_bool key_cache_inited;
+  my_bool in_resize;             /* true during resize operation             */
   my_bool resize_in_flush;       /* true during flush of resize operation    */
   my_bool can_be_used;           /* usage of cache for read/write is allowed */
   uint key_cache_shift;
@@ -72,6 +73,11 @@ typedef struct st_key_cache
   BLOCK_LINK *used_ins;          /* ptr to the insertion block in LRU chain  */
   pthread_mutex_t cache_lock;    /* to lock access to the cache structure    */
   KEYCACHE_WQUEUE resize_queue;  /* threads waiting during resize operation  */
+  /*
+    Waiting for a zero resize count. Using a queue for symmetry though
+    only one thread can wait here.
+  */
+  KEYCACHE_WQUEUE waiting_for_resize_cnt;
   KEYCACHE_WQUEUE waiting_for_hash_link; /* waiting for a free hash link     */
   KEYCACHE_WQUEUE waiting_for_block;    /* requests waiting for a free block */
   BLOCK_LINK *changed_blocks[CHANGED_BLOCKS_HASH]; /* hash for dirty file bl.*/
diff --git a/include/my_sys.h b/include/my_sys.h
index 440ae005cef..d9e16b5f917 100644
--- a/include/my_sys.h
+++ b/include/my_sys.h
@@ -66,8 +66,8 @@ extern int NEAR my_errno;		/* Last error in mysys */
 #define MY_ALLOW_ZERO_PTR 64	/* my_realloc() ; zero ptr -> malloc */
 #define MY_FREE_ON_ERROR 128	/* my_realloc() ; Free old ptr on error */
 #define MY_HOLD_ON_ERROR 256	/* my_realloc() ; Return old ptr on error */
-#define MY_THREADSAFE	128	/* pread/pwrite:  Don't allow interrupts */
 #define MY_DONT_OVERWRITE_FILE 1024	/* my_copy: Don't overwrite file */
+#define MY_THREADSAFE 2048      /* my_seek(): lock fd mutex */
 
 #define MY_CHECK_ERROR	1	/* Params to my_end; Check open-close */
 #define MY_GIVE_INFO	2	/* Give time info about process*/