1 files changed, 88 insertions, 0 deletions
diff --git a/nuttx/fs/fs_close.c b/nuttx/fs/fs_close.c
new file mode 100644
index 0000000000..a6a81d2545
--- /dev/null
+++ b/nuttx/fs/fs_close.c
@@ -0,0 +1,88 @@
+/************************************************************
+ * fs_close.c
+ *
+ *   Copyright (C) 2007 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 Gregory Nutt 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.
+ *
+ ************************************************************/
+
+/************************************************************
+ * Compilation Switches
+ ************************************************************/
+
+/************************************************************
+ * Included Files
+ ************************************************************/
+
+#include <nuttx/config.h>
+
+#if CONFIG_NFILE_DESCRIPTORS >0
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <sched.h>
+#include <errno.h>
+
+#include <nuttx/fs.h>
+
+#include "fs_internal.h"
+
+/************************************************************
+ * Global Functions
+ ************************************************************/
+
+int close(int fd)
+{
+  struct filelist *list;
+
+  /* Get the thread-specific file list */
+
+  list = sched_getfiles();
+  if (!list)
+    {
+      *get_errno_ptr() = EMFILE;
+      return ERROR;
+    }
+
+  if ((unsigned int)fd < CONFIG_NFILE_DESCRIPTORS)
+    {
+      struct inode *inode = list->fl_files[fd].f_inode;
+      if (inode)
+        {
+          files_release(fd);
+          inode_release(inode);
+          return OK;
+        }
+    }
+  *get_errno_ptr() = EBADF;
+  return ERROR;
+}
+
+#endif /* CONFIG_NFILE_DESCRIPTORS */