* Merge

--HG--
branch : trunk

1 files changed, 50 insertions, 0 deletions

diff --git a/externals/mysql/my_no_pthread.h b/externals/mysql/my_no_pthread.h
new file mode 100644
index 00000000000..b11dbff42f0
--- /dev/null
+++ b/externals/mysql/my_no_pthread.h
@@ -0,0 +1,50 @@
+/* Copyright (C) 2000 MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+
+#if !defined(_my_no_pthread_h) && !defined(THREAD)
+#define _my_no_pthread_h
+
+
+/*
+  This block is to access some thread-related type definitions
+  even in builds which do not need thread functions,
+  as some variables (based on these types) are declared
+  even in non-threaded builds.
+  Case in point: 'mf_keycache.c'
+*/
+#if defined(__WIN__)
+#else /* Normal threads */
+#include <pthread.h>
+
+#endif /* defined(__WIN__) */
+
+
+/*
+  This undefs some pthread mutex locks when one isn't using threads
+  to make thread safe code, that should also work in single thread
+  environment, easier to use.
+*/
+#define pthread_mutex_init(A,B)
+#define pthread_mutex_lock(A)
+#define pthread_mutex_unlock(A)
+#define pthread_mutex_destroy(A)
+#define my_rwlock_init(A,B)
+#define rw_rdlock(A)
+#define rw_wrlock(A)
+#define rw_unlock(A)
+#define rwlock_destroy(A)
+
+#endif