Adds cvars:

cvar_t *csx_sqlstats_host;
cvar_t *csx_sqlstats_username;
cvar_t *csx_sqlstats_password;
cvar_t *csx_sqlstats_db;
cvar_t *csx_sqlstats_table;

Exports players' statistics at map change to SQL db right after it saved those to the dat file.

dlls/csx_sql/extra/include/mysql/my_semaphore.h

@@ -0,0 +1,64 @@
+/*
+ * Module: semaphore.h
+ *
+ * Purpose:
+ *      Semaphores aren't actually part of the PThreads standard.
+ *      They are defined by the POSIX Standard:
+ *
+ *              POSIX 1003.1b-1993      (POSIX.1b)
+ *
+ * Pthreads-win32 - POSIX Threads Library for Win32
+ * Copyright (C) 1998
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA
+ */
+
+/* This is hacked by Monty to be included in mysys library */
+
+#ifndef _my_semaphore_h_
+#define _my_semaphore_h_
+
+#ifdef THREAD
+
+C_MODE_START
+#ifdef HAVE_SEMAPHORE_H
+#include <semaphore.h>
+#elif !defined(__bsdi__)
+#ifdef __WIN__
+typedef HANDLE sem_t;
+#else
+typedef struct {
+  pthread_mutex_t mutex;
+  pthread_cond_t  cond;
+  uint            count;
+} sem_t;
+#endif /* __WIN__ */
+
+int sem_init(sem_t * sem, int pshared, unsigned int value);
+int sem_destroy(sem_t * sem);
+int sem_trywait(sem_t * sem);
+int sem_wait(sem_t * sem);
+int sem_post(sem_t * sem);
+int sem_post_multiple(sem_t * sem, unsigned int count);
+int sem_getvalue(sem_t * sem, unsigned int * sval);
+
+#endif /* !__bsdi__ */
+
+C_MODE_END
+
+#endif /* THREAD */
+
+#endif /* !_my_semaphore_h_ */