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Project/Src/rt-thread/components/libc/compilers/dlib/sys/README.md

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+Because IAR leaks some system header file, we put them in here. 

Project/Src/rt-thread/components/libc/compilers/dlib/sys/mman.h

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+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2017/11/30     Bernard      The first version.
+ */
+
+#ifndef _SYS_MMAN_H
+#define _SYS_MMAN_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MAP_FAILED     ((void *) -1)
+
+#define MAP_SHARED     0x01
+#define MAP_PRIVATE    0x02
+#define MAP_TYPE       0x0f
+#define MAP_FIXED      0x10
+#define MAP_ANON       0x20
+#define MAP_ANONYMOUS  MAP_ANON
+#define MAP_NORESERVE  0x4000
+#define MAP_GROWSDOWN  0x0100
+#define MAP_DENYWRITE  0x0800
+#define MAP_EXECUTABLE 0x1000
+#define MAP_LOCKED     0x2000
+#define MAP_POPULATE   0x8000
+#define MAP_NONBLOCK   0x10000
+#define MAP_STACK      0x20000
+#define MAP_HUGETLB    0x40000
+#define MAP_FILE       0
+
+#define PROT_NONE      0
+#define PROT_READ      1
+#define PROT_WRITE     2
+#define PROT_EXEC      4
+#define PROT_GROWSDOWN 0x01000000
+#define PROT_GROWSUP   0x02000000
+
+#define MS_ASYNC       1
+#define MS_INVALIDATE  2
+#define MS_SYNC        4
+
+#define MCL_CURRENT    1
+#define MCL_FUTURE     2
+#define MCL_ONFAULT    4
+
+void *mmap (void *start, size_t len, int prot, int flags, int fd, off_t off);
+int munmap (void *start, size_t len);
+
+#ifdef __cplusplus
+}
+#endif
+#endif

Project/Src/rt-thread/components/libc/compilers/dlib/sys/stat.h

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+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */

Project/Src/rt-thread/components/libc/compilers/dlib/sys/time.h

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+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+#ifndef _SYS_TIME_H_
+#define _SYS_TIME_H_
+
+#include <time.h>
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef _TIMEVAL_DEFINED
+#define _TIMEVAL_DEFINED
+/*
+ * Structure returned by gettimeofday(2) system call,
+ * and used in other calls.
+ */
+struct timeval {
+    long    tv_sec;     /* seconds */
+    long    tv_usec;    /* and microseconds */
+};
+#endif /* _TIMEVAL_DEFINED */
+
+/*
+ * Skip define timespec for IAR version over 8.10.1 where __VER__ is 8010001.
+ */
+#if defined ( __ICCARM__ ) && (__VER__ >= 8010001)
+#define _TIMESPEC_DEFINED
+#endif
+
+#ifndef _TIMESPEC_DEFINED
+#define _TIMESPEC_DEFINED
+/*
+ * Structure defined by POSIX.1b to be like a timeval.
+ */
+struct timespec {
+    time_t  tv_sec;     /* seconds */
+    long    tv_nsec;    /* and nanoseconds */
+};
+#endif /* _TIMESPEC_DEFINED */ 
+
+struct timezone {
+  int tz_minuteswest;   /* minutes west of Greenwich */
+  int tz_dsttime;       /* type of dst correction */
+};
+
+int gettimeofday(struct timeval *tp, void *ignore);
+struct tm *gmtime_r(const time_t *timep, struct tm *r);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_TIME_H_ */

Project/Src/rt-thread/components/libc/compilers/dlib/sys/types.h

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+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+#ifndef __TYPES_H__
+#define __TYPES_H__
+
+#include <stdint.h>
+#include <rtthread.h>
+
+typedef rt_int32_t clockid_t;
+typedef rt_int32_t key_t;       /* Used for interprocess communication. */
+typedef rt_int32_t pid_t;       /* Used for process IDs and process group IDs. */
+typedef signed long ssize_t;    /* Used for a count of bytes or an error indication. */
+
+#endif

Project/Src/rt-thread/components/libc/compilers/dlib/sys/unistd.h

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+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+#ifndef _SYS_UNISTD_H
+#define _SYS_UNISTD_H
+
+#ifdef RT_USING_DFS
+
+#define STDIN_FILENO    0       /* standard input file descriptor */
+#define STDOUT_FILENO   1       /* standard output file descriptor */
+#define STDERR_FILENO   2       /* standard error file descriptor */
+
+#include <dfs_posix.h>
+#else
+#define	_FREAD		0x0001	/* read enabled */
+#define	_FWRITE		0x0002	/* write enabled */
+#define	_FAPPEND	0x0008	/* append (writes guaranteed at the end) */
+#define	_FMARK		0x0010	/* internal; mark during gc() */
+#define	_FDEFER		0x0020	/* internal; defer for next gc pass */
+#define	_FASYNC		0x0040	/* signal pgrp when data ready */
+#define	_FSHLOCK	0x0080	/* BSD flock() shared lock present */
+#define	_FEXLOCK	0x0100	/* BSD flock() exclusive lock present */
+#define	_FCREAT		0x0200	/* open with file create */
+#define	_FTRUNC		0x0400	/* open with truncation */
+#define	_FEXCL		0x0800	/* error on open if file exists */
+#define	_FNBIO		0x1000	/* non blocking I/O (sys5 style) */
+#define	_FSYNC		0x2000	/* do all writes synchronously */
+#define	_FNONBLOCK	0x4000	/* non blocking I/O (POSIX style) */
+#define	_FNDELAY	_FNONBLOCK	/* non blocking I/O (4.2 style) */
+#define	_FNOCTTY	0x8000	/* don't assign a ctty on this open */
+
+#define	O_RDONLY	0		/* +1 == FREAD */
+#define	O_WRONLY	1		/* +1 == FWRITE */
+#define	O_RDWR		2		/* +1 == FREAD|FWRITE */
+#define	O_APPEND	_FAPPEND
+#define	O_CREAT		_FCREAT
+#define	O_TRUNC		_FTRUNC
+#define	O_EXCL		_FEXCL
+#define O_SYNC		_FSYNC
+#endif
+
+#endif /* _SYS_UNISTD_H */