#ifndef __POSIX_TYPES_H__
#define __POSIX_TYPES_H__

#include <rtthread.h>

/* compatible in different compiler and C runtime library */
#ifdef RT_USING_NEWLIB
/* normarlly, GNU GCC will use newlib as C runtime library */
#include <sys/types.h>
#include <sys/time.h>
#include <sys/signal.h>
#include <sys/fcntl.h>

#include <errno.h>
#include <stdarg.h>

#define ESHUTDOWN 180

#else

/* ARM compiler and IAR compiler */
#if defined(__CC_ARM) || defined(__IAR_SYSTEMS_ICC__)	
#include <stddef.h>
#include <stdarg.h>
#include <string.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. */
typedef signed long time_t;		/* Used for time in seconds. */

struct timespec {
	time_t tv_sec;			/* seconds */
	long tv_nsec;			/* nanoseconds */
};

struct timeval {
    long    tv_sec;         /* seconds */
    long    tv_usec;        /* microseconds */
};

/* errno definitions */
#define EPERM		 1	/* Operation not permitted */
#define ENOENT		 2	/* No such file or directory */
#define ESRCH		 3	/* No such process */
#define EINTR		 4	/* Interrupted system call */
#define EIO			 5	/* I/O error */
#define ENXIO		 6	/* No such device or address */
#define E2BIG		 7	/* Arg list too long */
#define ENOEXEC		 8	/* Exec format error */
#define EBADF		 9	/* Bad file number */
#define ECHILD		10	/* No child processes */
#define EAGAIN		11	/* Try again */
#define ENOMEM		12	/* Out of memory */
#define EACCES		13	/* Permission denied */
#define EFAULT		14	/* Bad address */
#define ENOTBLK		15	/* Block device required */
#define EBUSY		16	/* Device or resource busy */
#define EEXIST		17	/* File exists */
#define EXDEV		18	/* Cross-device link */
#define ENODEV		19	/* No such device */
#define ENOTDIR		20	/* Not a directory */
#define EISDIR		21	/* Is a directory */
#define EINVAL		22	/* Invalid argument */
#define ENFILE		23	/* File table overflow */
#define EMFILE		24	/* Too many open files */
#define ENOTTY		25	/* Not a typewriter */
#define ETXTBSY		26	/* Text file busy */
#define EFBIG		27	/* File too large */
#define ENOSPC		28	/* No space left on device */
#define ESPIPE		29	/* Illegal seek */
#define EROFS		30	/* Read-only file system */
#define EMLINK		31	/* Too many links */
#define EPIPE		32	/* Broken pipe */
#define EDOM		33	/* Math argument out of domain of func */
#define ERANGE		34	/* Math result not representable */
#define ENOMSG		35	/* No message of desired type */
#define EIDRM		36	/* Identifier removed */
#define ECHRNG		37	/* Channel number out of range */
#define EL2NSYNC	38	/* Level 2 not synchronized */
#define EL3HLT		39	/* Level 3 halted */
#define EL3RST		40	/* Level 3 reset */
#define ELNRNG		41	/* Link number out of range */
#define EUNATCH		42	/* Protocol driver not attached */
#define ENOCSI		43	/* No CSI structure available */
#define EL2HLT		44	/* Level 2 halted */
#define EDEADLK		45	/* Resource deadlock would occur */
#define ENOLCK		46	/* No record locks available */
#define EBADE		50	/* Invalid exchange */
#define EBADR		51	/* Invalid request descriptor */
#define EXFULL		52	/* Exchange full */
#define ENOANO		53	/* No anode */
#define EBADRQC		54	/* Invalid request code */
#define EBADSLT		55	/* Invalid slot */
#define EDEADLOCK	56	/* File locking deadlock error */
#define EBFONT		59	/* Bad font file format */
#define ENOSTR		60	/* Device not a stream */
#define ENODATA		61	/* No data available */
#define ETIME		62	/* Timer expired */
#define ENOSR		63	/* Out of streams resources */
#define ENONET		64	/* Machine is not on the network */
#define ENOPKG		65	/* Package not installed */
#define EREMOTE		66	/* Object is remote */
#define ENOLINK		67	/* Link has been severed */
#define EADV		68	/* Advertise error */
#define ESRMNT		69	/* Srmount error */
#define ECOMM		70	/* Communication error on send */
#define EPROTO		71	/* Protocol error */
#define EDOTDOT		73	/* RFS specific error */
#define EMULTIHOP	74	/* Multihop attempted */
#define EBADMSG		77	/* Not a data message */
#define ENAMETOOLONG	78	/* File name too long */
#define EOVERFLOW	79	/* Value too large for defined data type */
#define ENOTUNIQ	80	/* Name not unique on network */
#define EBADFD		81	/* File descriptor in bad state */
#define EREMCHG		82	/* Remote address changed */
#define ELIBACC		83	/* Can not access a needed shared library */
#define ELIBBAD		84	/* Accessing a corrupted shared library */
#define ELIBSCN		85	/* .lib section in a.out corrupted */
#define ELIBMAX		86	/* Attempting to link in too many shared libraries */
#define ELIBEXEC	87	/* Cannot exec a shared library directly */
#define EILSEQ		88	/* Illegal byte sequence */
#define ENOSYS		89	/* Function not implemented */
#define ELOOP		90	/* Too many symbolic links encountered */
#define ERESTART	91	/* Interrupted system call should be restarted */
#define ESTRPIPE	92	/* Streams pipe error */
#define ENOTEMPTY	93	/* Directory not empty */
#define EUSERS		94	/* Too many users */
#define ENOTSOCK	95	/* Socket operation on non-socket */
#define EDESTADDRREQ	96	/* Destination address required */
#define EMSGSIZE	97	/* Message too long */
#define EPROTOTYPE	98	/* Protocol wrong type for socket */
#define ENOPROTOOPT	99	/* Protocol not available */
#define EPROTONOSUPPORT	120	/* Protocol not supported */
#define ESOCKTNOSUPPORT	121	/* Socket type not supported */
#define EOPNOTSUPP	122	/* Operation not supported on transport endpoint */
#define ENOTSUP		EOPNOTSUPP/* Operation not supported on transport endpoint */
#define EPFNOSUPPORT	123	/* Protocol family not supported */
#define EAFNOSUPPORT	124	/* Address family not supported by protocol */
#define EADDRINUSE	125	/* Address already in use */
#define EADDRNOTAVAIL	126	/* Cannot assign requested address */
#define ENETDOWN	127	/* Network is down */
#define ENETUNREACH	128	/* Network is unreachable */
#define ENETRESET	129	/* Network dropped connection because of reset */
#define ECONNABORTED	130	/* Software caused connection abort */
#define ECONNRESET	131	/* Connection reset by peer */
#define ENOBUFS		132	/* No buffer space available */
#define EISCONN		133	/* Transport endpoint is already connected */
#define ENOTCONN	134	/* Transport endpoint is not connected */
#define EUCLEAN		135	/* Structure needs cleaning */
#define ENOTNAM		137	/* Not a XENIX named type file */
#define ENAVAIL		138	/* No XENIX semaphores available */
#define EISNAM		139	/* Is a named type file */
#define EREMOTEIO	140	/* Remote I/O error */
#define EINIT		141	/* Reserved */
#define EREMDEV		142	/* Error 142 */
#define ESHUTDOWN	143	/* Cannot send after transport endpoint shutdown */
#define ETOOMANYREFS	144	/* Too many references: cannot splice */
#define ETIMEDOUT	145	/* Connection timed out */
#define ECONNREFUSED	146	/* Connection refused */
#define EHOSTDOWN	147	/* Host is down */
#define EHOSTUNREACH	148	/* No route to host */
#define EWOULDBLOCK	EAGAIN	/* Operation would block */
#define EALREADY	149	/* Operation already in progress */
#define EINPROGRESS	150	/* Operation now in progress */
#define ESTALE		151	/* Stale NFS file handle */
#define ECANCELED	158	/* AIO operation canceled */
#define ENOMEDIUM	159	/* No medium found */
#define EMEDIUMTYPE	160	/* Wrong medium type */
#define	ENOKEY		161	/* Required key not available */
#define	EKEYEXPIRED	162	/* Key has expired */
#define	EKEYREVOKED	163	/* Key has been revoked */
#define	EKEYREJECTED	164	/* Key was rejected by service */
#define EDQUOT		1133	/* Quota exceeded */

#ifdef RT_USING_DFS
#include <dfs_posix.h>
#else
typedef rt_uint16_t mode_t;
#define O_RDONLY		0x0000000
#define O_WRONLY		0x0000001
#define O_RDWR			0x0000002
#define O_ACCMODE		0x0000003
#define O_CREAT			0x0000100
#define O_EXCL			0x0000200
#define O_TRUNC			0x0001000
#define O_APPEND		0x0002000
#define O_DIRECTORY		0x0200000
#endif

#elif defined (__GNUC__)        			/* GNU GCC Compiler, with minilibc */
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#endif

#endif

#endif
