1 files changed, 84 insertions, 0 deletions
diff --git a/nuttx/include/unistd.h b/nuttx/include/unistd.h
new file mode 100644
index 0000000000..d68b0e28b2
--- /dev/null
+++ b/nuttx/include/unistd.h
@@ -0,0 +1,84 @@
+/************************************************************
+ * unistd.h
+ *
+ *   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.
+ *
+ ************************************************************/
+
+#ifndef __UNISTD_H
+#define __UNISTD_H
+
+/************************************************************
+ * Included Files
+ ************************************************************/
+
+#include <sys/types.h>
+
+/************************************************************
+ * Definitions
+ ************************************************************/
+
+/* The number of functions that may be registerd to be called
+ * at program exit.
+ */
+
+#define ATEXIT_MAX 1
+
+/************************************************************
+ * Global Function Prototypes
+ ************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/* Task Control Interfaces (based on ANSII APIs) */
+
+EXTERN pid_t getpid( void );
+EXTERN void _exit(int status) __attribute__ ((noreturn));
+EXTERN unsigned int sleep(unsigned int seconds);
+EXTERN void usleep(unsigned long usec);
+
+/* File descriptor operations */
+
+EXTERN int dup(int fildes);
+EXTERN int dup2(int fildes1, int fildes2);
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __UNISTD_H */