Faster log::write() call, memory leak fix, flush master fix.

BUILD/compile-alpha-ccc:
  remove deps to get things to compile better
Docs/manual.texi:
  Small fixes
configure.in:
  Fix for mlockmem()
include/my_sys.h:
  Made key_cache_inited global
myisammrg/myrg_close.c:
  Fixed memory leak
myisammrg/myrg_open.c:
  Initialize queue to avoid memory leak bug
mysys/mf_format.c:
  Added overflow check
mysys/mf_keycache.c:
  Made key_cache_init more secure to use
mysys/my_static.h:
  Make key_cache_inite global
sql/ChangeLog:
  Changes
sql/lock.cc:
  Added logging of locktime
sql/log.cc:
  Added logging of locktime
sql/mysql_priv.h:
  Added locked_in_memory
sql/mysqld.cc:
  Added logging of locktime + locked in memory
sql/sql_acl.cc:
  Added thd to log::write() for faster call
sql/sql_base.cc:
  Use global key_cache variable
sql/sql_class.cc:
  Added result row counting
sql/sql_class.h:
  Added thd to log::write() for faster call
sql/sql_db.cc:
  Added thd to log::write() for faster call
sql/sql_delete.cc:
  Added thd to log::write() for faster call
sql/sql_insert.cc:
  Added thd to log::write() for faster call
sql/sql_load.cc:
  Added thd to log::write() for faster call
sql/sql_parse.cc:
  Added thd to log::write() for faster call
sql/sql_rename.cc:
  Added thd to log::write() for faster call
sql/sql_table.cc:
  Added thd to log::write() for faster call
sql/sql_update.cc:
  Added thd to log::write() for faster call

3 files changed, 7 insertions, 4 deletions

diff --git a/mysys/mf_format.c b/mysys/mf_format.c
index 623f1dbd19e..39084799563 100644
--- a/mysys/mf_format.c
+++ b/mysys/mf_format.c
@@ -31,6 +31,7 @@
 	/*		8   Pack filename as short as possibly */
 	/*		16  Resolve symbolic links for filename */
 	/*		32  Resolve filename to full path */
+	/*		64  Return NULL if too long path */
 
 #ifdef MAXPATHLEN
 #define BUFF_LEN MAXPATHLEN
@@ -80,7 +81,10 @@ my_string fn_format(my_string to, const char *name, const char *dsk,
 
   if (strlen(dev)+length+strlen(ext) >= FN_REFLEN || length >= FN_LEN )
   {				/* To long path, return original */
-    uint tmp_length=strlength(startpos);
+    uint tmp_length;
+    if (flag & 64)
+      return 0;
+    tmp_length=strlength(startpos);
     DBUG_PRINT("error",("dev: '%s'  ext: '%s'  length: %d",dev,ext,length));
     (void) strmake(to,startpos,min(tmp_length,FN_REFLEN-1));
   }
diff --git a/mysys/mf_keycache.c b/mysys/mf_keycache.c
index db23c474564..72d0d4a5e10 100644
--- a/mysys/mf_keycache.c
+++ b/mysys/mf_keycache.c
@@ -85,7 +85,7 @@ int init_key_cache(ulong use_mem,
 
   if (key_cache_inited && _my_disk_blocks > 0)
   {
-    DBUG_PRINT("warning",("key cache allready in use")); /* purecov: inspected */
+    DBUG_PRINT("warning",("key cache already in use")); /* purecov: inspected */
     DBUG_RETURN(0); /* purecov: inspected */
   }
   if (! key_cache_inited)
@@ -161,6 +161,7 @@ void end_key_cache(void)
       _my_disk_blocks= -1;
     }
   }
+  key_cache_inited=0;
   DBUG_PRINT("status",
 	     ("used: %d  changed: %d  w_requests: %ld  writes: %ld  r_requests: %ld  reads: %ld",
 	      _my_blocks_used,_my_blocks_changed,_my_cache_w_requests,
diff --git a/mysys/my_static.h b/mysys/my_static.h
index 5ab01dec9a9..e9d1a30b786 100644
--- a/mysys/my_static.h
+++ b/mysys/my_static.h
@@ -52,8 +52,6 @@ extern char	NEAR curr_dir[FN_REFLEN],NEAR home_dir_buff[FN_REFLEN];
 extern volatile int _my_signals;
 extern struct st_remember _my_sig_remember[MAX_SIGNALS];
 
-extern my_bool	key_cache_inited;
-
 extern const char *soundex_map;
 
 extern USED_MEM* my_once_root_block;