BuildSystem/VS: Remove now defunct an unmaintained buildfiles - use CMake for generating solutionfiles

--HG--
branch : trunk

1 files changed, 0 insertions, 171 deletions

diff --git a/externals/mysql/mysys/thr_rwlock.c b/externals/mysql/mysys/thr_rwlock.c
deleted file mode 100644
index 280a0ec19e7..00000000000
--- a/externals/mysql/mysys/thr_rwlock.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/* 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 */
-
-/* Synchronization - readers / writer thread locks */
-
-#include "mysys_priv.h"
-#if defined(THREAD) && !defined(HAVE_PTHREAD_RWLOCK_RDLOCK) && !defined(HAVE_RWLOCK_INIT)
-#include <errno.h>
-
-/*
-  Source base from Sun Microsystems SPILT, simplified for MySQL use
-  -- Joshua Chamas
-  Some cleanup and additional code by Monty
-*/
-
-/*
-*  Multithreaded Demo Source
-*
-*  Copyright (C) 1995 by Sun Microsystems, Inc.
-*  All rights reserved.
-*
-*  This file is a product of SunSoft, Inc. and is provided for
-*  unrestricted use provided that this legend is included on all
-*  media and as a part of the software program in whole or part.
-*  Users may copy, modify or distribute this file at will.
-*
-*  THIS FILE IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING
-*  THE WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
-*  PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
-*
-*  This file is provided with no support and without any obligation on the
-*  part of SunSoft, Inc. to assist in its use, correction, modification or
-*  enhancement.
-*
-*  SUNSOFT AND SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT
-*  TO THE INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY THIS
-*  FILE OR ANY PART THEREOF.
-*
-*  IN NO EVENT WILL SUNSOFT OR SUN MICROSYSTEMS, INC. BE LIABLE FOR ANY
-*  LOST REVENUE OR PROFITS OR OTHER SPECIAL, INDIRECT AND CONSEQUENTIAL
-*  DAMAGES, EVEN IF THEY HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH
-*  DAMAGES.
-*
-*  SunSoft, Inc.
-*  2550 Garcia Avenue
-*  Mountain View, California  94043
-*/
-
-int my_rwlock_init(rw_lock_t *rwp, void *arg __attribute__((unused)))
-{
-  pthread_condattr_t	cond_attr;
-
-  pthread_mutex_init( &rwp->lock, MY_MUTEX_INIT_FAST);
-  pthread_condattr_init( &cond_attr );
-  pthread_cond_init( &rwp->readers, &cond_attr );
-  pthread_cond_init( &rwp->writers, &cond_attr );
-  pthread_condattr_destroy(&cond_attr);
-
-  rwp->state	= 0;
-  rwp->waiters	= 0;
-
-  return(0);
-}
-
-
-int my_rwlock_destroy(rw_lock_t *rwp)
-{
-  pthread_mutex_destroy( &rwp->lock );
-  pthread_cond_destroy( &rwp->readers );
-  pthread_cond_destroy( &rwp->writers );
-  return(0);
-}
-
-
-int my_rw_rdlock(rw_lock_t *rwp)
-{
-  pthread_mutex_lock(&rwp->lock);
-
-  /* active or queued writers */
-  while ((rwp->state < 0 ) || rwp->waiters)
-    pthread_cond_wait( &rwp->readers, &rwp->lock);
-
-  rwp->state++;
-  pthread_mutex_unlock(&rwp->lock);
-  return(0);
-}
-
-int my_rw_tryrdlock(rw_lock_t *rwp)
-{
-  int res;
-  pthread_mutex_lock(&rwp->lock);
-  if ((rwp->state < 0 ) || rwp->waiters)
-    res= EBUSY;					/* Can't get lock */
-  else
-  {
-    res=0;
-    rwp->state++;
-  }
-  pthread_mutex_unlock(&rwp->lock);
-  return(res);
-}
-
-
-int my_rw_wrlock(rw_lock_t *rwp)
-{
-  pthread_mutex_lock(&rwp->lock);
-  rwp->waiters++;				/* another writer queued */
-
-  while (rwp->state)
-    pthread_cond_wait(&rwp->writers, &rwp->lock);
-  rwp->state	= -1;
-  rwp->waiters--;
-  pthread_mutex_unlock(&rwp->lock);
-  return(0);
-}
-
-
-int my_rw_trywrlock(rw_lock_t *rwp)
-{
-  int res;
-  pthread_mutex_lock(&rwp->lock);
-  if (rwp->state)
-    res= EBUSY;					/* Can't get lock */    
-  else
-  {
-    res=0;
-    rwp->state	= -1;
-  }
-  pthread_mutex_unlock(&rwp->lock);
-  return(res);
-}
-
-
-int my_rw_unlock(rw_lock_t *rwp)
-{
-  DBUG_PRINT("rw_unlock",
-	     ("state: %d waiters: %d", rwp->state, rwp->waiters));
-  pthread_mutex_lock(&rwp->lock);
-
-  if (rwp->state == -1)		/* writer releasing */
-  {
-    rwp->state= 0;		/* mark as available */
-
-    if ( rwp->waiters )		/* writers queued */
-      pthread_cond_signal( &rwp->writers );
-    else
-      pthread_cond_broadcast( &rwp->readers );
-  }
-  else
-  {
-    if ( --rwp->state == 0 )	/* no more readers */
-      pthread_cond_signal( &rwp->writers );
-  }
-
-  pthread_mutex_unlock( &rwp->lock );
-  return(0);
-}
-
-#endif