1 files changed, 105 insertions, 0 deletions
diff --git a/nuttx/sched/mq_findnamed.c b/nuttx/sched/mq_findnamed.c
new file mode 100644
index 000000000..d23b81c5e
--- /dev/null
+++ b/nuttx/sched/mq_findnamed.c
@@ -0,0 +1,105 @@
+/************************************************************************
+ * sched/mq_findnamed.c
+ *
+ *   Copyright (C) 2007, 2009 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 <string.h>
+
+#include "mq_internal.h"
+
+/************************************************************************
+ * Definitions
+ ************************************************************************/
+
+/************************************************************************
+ * Private Type Declarations
+ ************************************************************************/
+
+/************************************************************************
+ * Global Variables
+ ************************************************************************/
+
+/************************************************************************
+ * Private Variables
+ ************************************************************************/
+
+/************************************************************************
+ * Private Functions
+ ************************************************************************/
+
+/************************************************************************
+ * Public Functions
+ ************************************************************************/
+
+/************************************************************************
+ * Name: mq_findnamed
+ *
+ * Description:
+ *   This function finds the named message queue with the specified name
+ *   in the list of message queues.
+ *
+ * Inputs:
+ *   mq_name - the name of the message queue to find
+ *
+ * Return Value:
+ *   A reference to the matching named message queue structure (or NULL
+ *   if none was found).
+ *
+ ************************************************************************/
+
+FAR msgq_t *mq_findnamed(const char *mq_name)
+{
+  FAR msgq_t *msgq;
+
+  /* Search the list of named message queues */
+
+  for (msgq = (FAR msgq_t*)g_msgqueues.head; (msgq); msgq = msgq->flink)
+    {
+      /* Break out of the lloop with a non-NULL msgq if the
+       * name matches.
+       */
+
+      if (!strcmp(mq_name, msgq->name))
+        {
+          break;
+        }
+    }
+
+  return msgq;
+}