fd_op_vtable Struct Reference

File descriptor virtual method table. More...

#include <zephyr/sys/fdtable.h>

Data Fields
union {
ssize_t(*   read )(void *obj, void *buf, size_t sz)
ssize_t(*   read_offs )(void *obj, void *buf, size_t       sz, size_t offset)
};
union {
ssize_t(*   write )(void *obj, const void *buf,        size_t sz)
ssize_t(*   write_offs )(void *obj, const void *buf,        size_t sz, size_t offset)
};
union {
int(*   close )(void *obj)
int(*   close2 )(void *obj, int fd)
};
int(*	ioctl )(void *obj, unsigned int request, va_list args)

Detailed Description

File descriptor virtual method table.

Currently all operations beyond read/write/close go thru ioctl method.

Field Documentation

[union]

union { ... } fd_op_vtable

[union]

union { ... } fd_op_vtable

[union]

union { ... } fd_op_vtable

close

int(* fd_op_vtable::close) (void *obj)

close2

int(* fd_op_vtable::close2) (void *obj, int fd)

ioctl

int(* fd_op_vtable::ioctl) (void *obj, unsigned int request, va_list args)

read

ssize_t(* fd_op_vtable::read) (void *obj, void *buf, size_t sz)

read_offs

ssize_t(* fd_op_vtable::read_offs) (void *obj, void *buf, size_t sz, size_t offset)

write

ssize_t(* fd_op_vtable::write) (void *obj, const void *buf, size_t sz)

write_offs

ssize_t(* fd_op_vtable::write_offs) (void *obj, const void *buf, size_t sz, size_t offset)

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The documentation for this struct was generated from the following file:

• zephyr/sys/fdtable.h