bk commit into 6.0 tree (svoj:1.2634) BUG#33607

[Sergey Vojtovich]

Below is the list of changes that have just been committed into a local
6.0 repository of svoj.  When svoj does a push these changes
will be propagated to the main repository and, within 24 hours after the
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ChangeSet@stripped, 2008-04-23 10:22:32+05:00, svoj@stripped +1 -0
  BUG#33607 - Falcon allows two mysqld instances to share a tablespace
  
  It was possible to start two (or more) mysqld instances using
  the same falcon tablespace/metadata files. As a result
  tablespace/metadata files may get corrupt.
  
  Fixed by enabling advisory file locks.

  storage/falcon/IO.cpp@stripped, 2008-04-23 10:22:29+05:00, svoj@stripped +0 -4
    Re-enabled advisory file locking on non-windows platforms.

diff -Nrup a/storage/falcon/IO.cpp b/storage/falcon/IO.cpp
--- a/storage/falcon/IO.cpp	2008-03-27 10:09:04 +04:00
+++ b/storage/falcon/IO.cpp	2008-04-23 10:22:29 +05:00
@@ -163,14 +163,12 @@ bool IO::openFile(const char * name, boo
 #ifndef _WIN32
 	signal (SIGXFSZ, SIG_IGN);
 
-#ifndef STORAGE_ENGINE
 	if (flock (fileId, (readOnly) ? LOCK_SH : LOCK_EX))
 		{
 		::close (fileId);
 		throw SQLEXCEPTION (CONNECTION_ERROR, "file \"%s\" in use by another process", name);
 		}
 #endif
-#endif
 
 	//Log::debug("IO::openFile %s (%d) fd: %d\n", (const char*) fileName, readOnly, fileId);
 	
@@ -201,9 +199,7 @@ bool IO::createFile(const char *name, ui
 
 	isReadOnly = false;
 #ifndef _WIN32
-#ifndef STORAGE_ENGINE
 	flock(fileId, LOCK_EX);
-#endif
 #endif
 
 	if (initialAllocation)