NuttX RTOS

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 143 insertions, 0 deletions

diff --git a/nuttx/include/sys/types.h b/nuttx/include/sys/types.h
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+/************************************************************
+ * types.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 __SYS_TYPES_H
+#define __SYS_TYPES_H
+
+/************************************************************
+ * Included Files
+ ************************************************************/
+
+#include <arch/types.h>
+
+/************************************************************
+ * Definitions
+ ************************************************************/
+
+/* Values for type boolean */
+
+#define TRUE 1
+#define FALSE 0
+
+/* NULL is usually defined in stddef.h */
+
+#ifndef NULL
+#define NULL (void*)0L
+#endif
+
+/* POSIX-like OS return values: */
+
+#if !defined(__cplusplus)
+#undef  ERROR
+#define ERROR -1
+#endif
+
+#undef  OK
+#define OK 0
+
+/* POSIX-like scheduling policies (only SCHED_FIFO is supported) */
+
+#define SCHED_FIFO  1  /* FIFO per priority scheduling policy */
+#define SCHED_RR    2  /* Round robin scheduling policy */
+#define SCHED_OTHER 4  /* Not used */
+
+/* HPUX-like MIN/MAX value */
+
+#define PRIOR_RR_MIN      0
+#define PRIOR_RR_MAX    255
+#define PRIOR_FIFO_MIN    0
+#define PRIOR_FIFO_MAX  255
+#define PRIOR_OTHER_MIN   0
+#define PRIOR_OTHER_MAX 255
+
+/* Scheduling Priorities.  NOTE:  Only the idle task can take
+ * the TRUE minimum priority. */
+
+#define SCHED_PRIORITY_MAX     255
+#define SCHED_PRIORITY_DEFAULT 100
+#define SCHED_PRIORITY_MIN       1
+#define SCHED_PRIORITY_IDLE      0
+
+/* oflag bit settings for sem_open and mq_open */
+
+#define O_RDONLY    0x01   /* Open for read access */
+#define O_WRONLY    0x02   /* Open for write access */
+#define O_RDWR      0x03   /* Open for both read & write access */
+#define O_CREAT     0x04   /* Create semaphore/message queue */
+#define O_EXCL      0x08   /* Name must not exist when opened  */
+#define O_APPEND    0x10
+#define O_TRUNC     0x20
+#define O_NONBLOCK  0x40   /* Don't wait for data */
+#define O_NDELAY    O_NONBLOCK
+#define O_LOCK      0x80
+
+#define O_RDOK      O_RDONLY /* Not POSIX */
+#define O_WROK      O_WRONLY /* Not POSIX */
+
+/************************************************************
+ * Type Declarations
+ ************************************************************/
+
+/* Misc. scalar types */
+
+typedef uint32        mode_t;
+typedef uint32        size_t;
+typedef sint32        ssize_t;
+//typedef sint32      time_t;
+typedef sint32        off_t;
+typedef sint32        uid_t;
+typedef sint32        gid_t;
+typedef uint32        dev_t;
+typedef uint32        ino_t;
+typedef unsigned int  sig_atomic_t;
+typedef int           pid_t;
+typedef int           STATUS;
+
+/* Process entry point */
+
+typedef int (*main_t)(int argc, char *argv[]);
+
+/* This is the POSIX-like scheduling parameter structure */
+
+struct sched_param
+{
+  int sched_priority;
+};
+
+/************************************************************
+ * Global Function Prototypes
+ ************************************************************/
+
+#endif /* __SYS_TYPES_H */