1 files changed, 0 insertions, 137 deletions
diff --git a/nuttx/sched/pthread_condsignal.c b/nuttx/sched/pthread_condsignal.c
deleted file mode 100644
index 48ff4cf20..000000000
--- a/nuttx/sched/pthread_condsignal.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/****************************************************************************
- * sched/pthread_condsignal.c
- *
- *   Copyright (C) 2007-2009, 2012 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- *    used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-
-#include <pthread.h>
-#include <errno.h>
-#include <debug.h>
-
-#include "pthread_internal.h"
-
-/****************************************************************************
- * Definitions
- ****************************************************************************/
-
-/****************************************************************************
- * Private Type Declarations
- ****************************************************************************/
-
-/****************************************************************************
- * Global Variables
- ****************************************************************************/
-
-/****************************************************************************
- * Private Variables
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: pthread_cond_signal
- *
- * Description:
- *    A thread can signal on a condition variable.
- *
- * Parameters:
- *   None
- *
- * Return Value:
- *   None
- *
- * Assumptions:
- *
- ****************************************************************************/
-
-int pthread_cond_signal(FAR pthread_cond_t *cond)
-{
-  int ret = OK;
-  int sval;
-
-  sdbg("cond=0x%p\n", cond);
-
-  if (!cond)
-    {
-      ret = EINVAL;
-    }
-  else
-    {
-      /* Get the current value of the semaphore */
-
-      if (sem_getvalue((sem_t*)&cond->sem, &sval) != OK)
-        {
-          ret = EINVAL;
-        }
-
-      /* If the value is less than zero (meaning that one or more
-       * thread is waiting), then post the condition semaphore.
-       * Only the highest priority waiting thread will get to execute
-       */
-
-      else
-        {
-          /* One of my objectives in this design was to make pthread_cond_signal
-           * usable from interrupt handlers.  However, from interrupt handlers,
-           * you cannot take the associated mutex before signaling the condition.
-           * As a result, I think that there could be a race condition with
-           * the following logic which assumes that the if sval < 0 then the 
-           * thread is waiting.  Without the mutex, there is no atomic, protected
-           * operation that will guarantee this to be so.
-           */
-
-          sdbg("sval=%d\n", sval);
-          if (sval < 0)
-            {
-              sdbg("Signalling...\n");
-              ret = pthread_givesemaphore((sem_t*)&cond->sem);
-            }
-        }
-    }
-
-  sdbg("Returning %d\n", ret);
-  return ret;
-}
-
-