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Diffstat (limited to 'libc/include/sys/types.h')
| -rw-r--r-- | libc/include/sys/types.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/libc/include/sys/types.h b/libc/include/sys/types.h new file mode 100644 index 0000000..445eb02 --- /dev/null +++ b/libc/include/sys/types.h @@ -0,0 +1,170 @@ +/* unified sys/types.h: + start with sef's sysvi386 version. + merge go32 version -- a few ifdefs. + h8300hms, h8300xray, and sysvnecv70 disagree on the following types: + + typedef int gid_t; + typedef int uid_t; + typedef int dev_t; + typedef int ino_t; + typedef int mode_t; + typedef int caddr_t; + + however, these aren't "reasonable" values, the sysvi386 ones make far + more sense, and should work sufficiently well (in particular, h8300 + doesn't have a stat, and the necv70 doesn't matter.) -- eichin + */ + +#ifndef _SYS_TYPES_H +#define _SYS_TYPES_H + +#ifdef __i386__ +#if defined (GO32) || defined (__MSDOS__) || defined (_WIN32) +#define __MS_types__ +#endif +#endif + +# include <stddef.h> +# include <machine/types.h> + +/* To ensure the stat struct's layout doesn't change when sizeof(int), etc. + changes, we assume sizeof short and long never change and have all types + used to define struct stat use them and not int where possible. + Where not possible, _ST_INTxx are used. It would be preferable to not have + such assumptions, but until the extra fluff is necessary, it's avoided. + No 64 bit targets use stat yet. What to do about them is postponed + until necessary. */ +#ifdef __GNUC__ +#define _ST_INT32 __attribute__ ((__mode__ (__SI__))) +#else +#define _ST_INT32 +#endif + +# ifndef _POSIX_SOURCE + +# define physadr physadr_t +# define quad quad_t + +#ifndef _GNU_H_WINDOWS32_SOCKETS +typedef unsigned char u_char; +typedef unsigned short u_short; +typedef unsigned int u_int; +typedef unsigned long u_long; +#endif + +typedef unsigned short ushort; /* System V compatibility */ +typedef unsigned int uint; /* System V compatibility */ +# endif /*!_POSIX_SOURCE */ + +#ifndef __time_t_defined +typedef _TIME_T_ time_t; +#define __time_t_defined +#endif + +typedef long daddr_t; +typedef char * caddr_t; + +#ifdef __MS_types__ +typedef unsigned long ino_t; +#else +#ifdef __sparc__ +typedef unsigned long ino_t; +#else +typedef unsigned short ino_t; +#endif +#endif + +#ifdef __MS_types__ +typedef unsigned long vm_offset_t; +typedef unsigned long vm_size_t; + +#define __BIT_TYPES_DEFINED__ + +typedef char int8_t; +typedef unsigned char u_int8_t; +typedef short int16_t; +typedef unsigned short u_int16_t; +typedef int int32_t; +typedef unsigned int u_int32_t; +typedef long long int64_t; +typedef unsigned long long u_int64_t; +typedef int32_t register_t; +#endif /* __MS_types__ */ + +/* + * All these should be machine specific - right now they are all broken. + * However, for all of Cygnus' embedded targets, we want them to all be + * the same. Otherwise things like sizeof (struct stat) might depend on + * how the file was compiled (e.g. -mint16 vs -mint32, etc.). + */ + +typedef short dev_t; + +typedef long off_t; + +typedef unsigned short uid_t; +typedef unsigned short gid_t; +typedef int pid_t; +typedef long key_t; +typedef long ssize_t; + +#ifdef __MS_types__ +typedef char * addr_t; +typedef int mode_t; +#else +#if defined (__sparc__) && !defined (__sparc_v9__) +#ifdef __svr4__ +typedef unsigned long mode_t; +#else +typedef unsigned short mode_t; +#endif +#else +typedef unsigned int mode_t _ST_INT32; +#endif +#endif /* ! __MS_types__ */ + +typedef unsigned short nlink_t; + +/* We don't define fd_set and friends if we are compiling POSIX + source, or if we have included the Windows Sockets.h header (which + defines Windows versions of them). Note that a program which + includes the Windows sockets.h header must know what it is doing; + it must not call the cygwin select function. */ +# if ! defined (_POSIX_SOURCE) && ! defined (_GNU_H_WINDOWS32_SOCKETS) + +# define NBBY 8 /* number of bits in a byte */ +/* + * Select uses bit masks of file descriptors in longs. + * These macros manipulate such bit fields (the filesystem macros use chars). + * FD_SETSIZE may be defined by the user, but the default here + * should be >= NOFILE (param.h). + */ +# ifndef FD_SETSIZE +# define FD_SETSIZE 64 +# endif + +typedef long fd_mask; +# define NFDBITS (sizeof (fd_mask) * NBBY) /* bits per mask */ +# ifndef howmany +# define howmany(x,y) (((x)+((y)-1))/(y)) +# endif + +/* We use a macro for fd_set so that including Sockets.h afterwards + can work. */ +typedef struct _types_fd_set { + fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)]; +} _types_fd_set; + +#define fd_set _types_fd_set + +# define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1L << ((n) % NFDBITS))) +# define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1L << ((n) % NFDBITS))) +# define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1L << ((n) % NFDBITS))) +# define FD_ZERO(p) bzero((caddr_t)(p), sizeof (*(p))) + +# endif /* ! defined (_POSIX_SOURCE) && ! defined (GNU_H_WINDOWS32_SOCKETS) */ + +#undef __MS_types__ +#undef _ST_INT32 + +#endif /* _SYS_TYPES_H */ |