1 files changed, 112 insertions, 0 deletions
diff --git a/nuttx/sched/exit.c b/nuttx/sched/exit.c
new file mode 100644
index 0000000000..e71ed68e89
--- /dev/null
+++ b/nuttx/sched/exit.c
@@ -0,0 +1,112 @@
+/************************************************************
+ * exit.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.
+ *
+ ************************************************************/
+
+/************************************************************
+ * Included Files
+ ************************************************************/
+
+#include <sys/types.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <debug.h>
+#include <errno.h>
+#include <nuttx/fs.h>
+#include "os_internal.h"
+
+/************************************************************
+ * Definitions
+ ************************************************************/
+
+/************************************************************
+ * Private Type Declarations
+ ************************************************************/
+
+/************************************************************
+ * Global Variables
+ ************************************************************/
+
+/************************************************************
+ * Private Variables
+ ************************************************************/
+
+/************************************************************
+ * Private Function Prototypes
+ ************************************************************/
+
+/************************************************************
+ * Private Functionss
+ ************************************************************/
+
+/************************************************************
+ * Public Functions
+ ************************************************************/
+
+/************************************************************
+ * Function: exit
+ *
+ * Description:
+ *   The  exit()  function  causes normal process termination
+ *   and the value of status & 0377 is returned to the parent.
+ *
+ *   All functions registered with atexit() and on_exit() are
+ *   called, in the reverse order  of  their  registration.
+ *
+ *   All open streams are flushed and closed.  Files created
+ *   by tmpfile() are  removed.
+ *
+ ************************************************************/
+
+void exit(int status)
+{
+  _TCB *tcb = (_TCB*)g_readytorun.head;
+
+  /* Flush all streams (File descriptors will be closed when
+   * the TCB is deallocated.
+   */
+
+#if CONFIG_NFILE_STREAMS > 0
+  lib_flushall(tcb->streams);
+#endif
+
+  /* If an exit function was registered, call it now. */
+
+  if (tcb->exitfunc) {
+
+    (*tcb->exitfunc)();
+
+  } /* end if */
+
+  _exit(status & 0377);
+}