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36 * @(#)filio.h 8.1 (Berkeley) 3/28/94
43 #include <sys/_types.h>
44 #include <sys/ioccom.h>
46 /* Generic file-descriptor ioctl's. */
47 #define FIOCLEX _IO('f', 1) /* set close on exec on fd */
48 #define FIONCLEX _IO('f', 2) /* remove close on exec */
49 #define FIONREAD _IOR('f', 127, int) /* get # bytes to read */
50 #define FIONBIO _IOW('f', 126, int) /* set/clear non-blocking i/o */
51 #define FIOASYNC _IOW('f', 125, int) /* set/clear async i/o */
52 #define FIOSETOWN _IOW('f', 124, int) /* set owner */
53 #define FIOGETOWN _IOR('f', 123, int) /* get owner */
54 #define FIODTYPE _IOR('f', 122, int) /* get d_flags type part */
55 #define FIOGETLBA _IOR('f', 121, int) /* get start blk # */
56 struct fiodgname_arg {
60 #define FIODGNAME _IOW('f', 120, struct fiodgname_arg) /* get dev. name */
61 #define FIONWRITE _IOR('f', 119, int) /* get # bytes (yet) to write */
62 #define FIONSPACE _IOR('f', 118, int) /* get space in send queue */
63 /* Handle lseek SEEK_DATA and SEEK_HOLE for holey file knowledge. */
64 #define FIOSEEKDATA _IOWR('f', 97, off_t) /* SEEK_DATA */
65 #define FIOSEEKHOLE _IOWR('f', 98, off_t) /* SEEK_HOLE */
71 /* Get the file's bmap info for the logical block bn. */
72 #define FIOBMAP2 _IOWR('f', 99, struct fiobmap2_arg)
73 /* POSIX shm largepage set/get config */
74 #define FIOSSHMLPGCNF _IOW('f', 100, struct shm_largepage_conf)
75 #define FIOGSHMLPGCNF _IOR('f', 101, struct shm_largepage_conf)
78 #ifdef COMPAT_FREEBSD32
79 struct fiodgname_arg32 {
81 uint32_t buf; /* (void *) */
83 #define FIODGNAME_32 _IOC_NEWTYPE(FIODGNAME, struct fiodgname_arg32)
86 void *fiodgname_buf_get_ptr(void *fgnp, u_long com);
89 #endif /* !_SYS_FILIO_H_ */