Name changes for ZDS archiver

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1453 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 251 insertions, 0 deletions

diff --git a/nuttx/net/uip/uip_callback.c b/nuttx/net/uip/uip_callback.c
new file mode 100644
index 000000000..60ead736f
--- /dev/null
+++ b/nuttx/net/uip/uip_callback.c
@@ -0,0 +1,251 @@
+/****************************************************************************
+ * net/uip/uip_callback.c
+ *
+ *   Copyright (C) 2008 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * 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>
+#if defined(CONFIG_NET)
+
+#include <sys/types.h>
+#include <string.h>
+#include <debug.h>
+
+#include <net/uip/uipopt.h>
+#include <net/uip/uip.h>
+#include <net/uip/uip-arch.h>
+
+#include "uip_internal.h"
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static struct uip_callback_s g_cbprealloc[CONFIG_NET_NACTIVESOCKETS];
+static FAR struct uip_callback_s *g_cbfreelist = NULL;
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Function: uip_callbackinit
+ *
+ * Description:
+ *   Configure the pre-allocated callaback structures into a free list.
+ *   This is called internally as part of uIP initialization and should not
+ *   be accessed from the application or socket layer.
+ *
+ * Assumptions:
+ *   This function is called with interrupts disabled.
+ *
+ ****************************************************************************/
+
+void uip_callbackinit(void)
+{
+  int i;
+  for (i = 0; i < CONFIG_NET_NACTIVESOCKETS; i++)
+    {
+      g_cbprealloc[i].flink = g_cbfreelist;
+      g_cbfreelist          = &g_cbprealloc[i];
+    }
+}
+
+/****************************************************************************
+ * Function: uip_callbackalloc
+ *
+ * Description:
+ *   Allocate a callback container from the free list.
+ *   This is called internally as part of uIP initialization and should not
+ *   be accessed from the application or socket layer.
+ *
+ * Assumptions:
+ *   This function is called with interrupts disabled.
+ *
+ ****************************************************************************/
+
+FAR struct uip_callback_s *uip_callbackalloc(FAR struct uip_callback_s **list)
+{
+  struct uip_callback_s *ret;
+  irqstate_t save;
+
+  /* Check  the head of the free list */
+
+  save = irqsave();
+  ret  = g_cbfreelist;
+  if (ret)
+    {
+      /* Remove the next instance from the head of the free list */
+
+      g_cbfreelist = ret->flink;
+      memset(ret, 0, sizeof(struct uip_callback_s));
+
+      /* Add the newly allocated instance to the head of the specified list */
+
+      if (list)
+        {
+           ret->flink = *list;
+           *list      = ret;
+        }
+      else
+        {
+           ret->flink   = NULL;
+        }
+    }
+#ifdef CONFIG_DEBUG
+  else
+    {
+      dbg("Failed to allocate callback\n");
+    }
+#endif
+
+  irqrestore(save);
+  return ret;
+}
+
+/****************************************************************************
+ * Function: uip_callbackfree
+ *
+ * Description:
+ *   Return a callback container to the free list.
+ *   This is called internally as part of uIP initialization and should not
+ *   be accessed from the application or socket layer.
+ *
+ * Assumptions:
+ *   This function is called with interrupts disabled.
+ *
+ ****************************************************************************/
+
+void uip_callbackfree(FAR struct uip_callback_s *cb, FAR struct uip_callback_s **list)
+{
+  FAR struct uip_callback_s *prev;
+  FAR struct uip_callback_s *curr;
+  irqstate_t save;
+
+  if (cb)
+    {
+      /* Find the callback structure in the connection's list */
+
+      save = irqsave();
+      if (list)
+        {
+          for (prev = NULL, curr = *list;
+               curr && curr != cb;
+               prev = curr, curr = curr->flink);
+
+          /* Remove the structure from the connection's list */
+
+          if (curr)
+            {
+              if (prev)
+                {
+                  prev->flink = cb->flink;
+                }
+              else
+                {
+                  *list = cb->flink;
+                }
+            }
+        }
+
+      /* Put the structure into the free list */
+
+      cb->flink    = g_cbfreelist;
+      g_cbfreelist = cb;
+      irqrestore(save);
+    }
+}
+
+/****************************************************************************
+ * Function: uip_callbackexecute
+ *
+ * Description:
+ *   Execute a list of callbacks.
+ *   This is called internally as part of uIP initialization and should not
+ *   be accessed from the application or socket layer.
+ *
+ * Assumptions:
+ *   This function is called with interrupts disabled.
+ *
+ ****************************************************************************/
+
+uint16 uip_callbackexecute(FAR struct uip_driver_s *dev, void *pvconn, uint16 flags,
+                           FAR struct uip_callback_s *list)
+{
+  FAR struct uip_callback_s *next;
+  irqstate_t save;
+
+  /* Loop for each callback in the list and while there are still events
+   * set in the flags set.
+   */
+
+  save = irqsave();
+  while (list && flags)
+    {
+      /* Save the pointer to the next callback in the lists.  This is done
+       * because the callback action might delete the entry pointed to by
+       * list.
+       */
+
+      next = list->flink;
+
+      /* Check if this callback handles any of the events in the flag set */
+
+      if (list->event && (flags & list->flags) != 0)
+        {
+          /* Yes.. perform the callback.  Actions perform by the callback
+           * may delete the current list entry or add a new list entry to
+           * beginning of the list (which will be ignored on this pass)
+           */
+
+          nvdbg("Call event=%p with flags=%04x\n", list->event, flags);
+          flags = list->event(dev, pvconn, list->private, flags);
+        }
+
+      /* Set up for the next time through the loop */
+
+      list = next;
+    }
+
+  irqrestore(save);
+  return flags;
+}
+
+#endif /* CONFIG_NET */