Function nrfxlib_sys::nrf_fcntl

source ·
pub unsafe extern "C" fn nrf_fcntl(
    fd: c_int,
    cmd: c_int,
    flags: c_int
) -> c_int
Expand description

Function for controlling file descriptor options.

@details Set or get file descriptor options or flags. For a list of supported commands, refer to @ref nrf_fcnt_commands. For a list of supported flags, refer to @ref nrf_fcnt_flags.

  • fd - The descriptor to set options on.
  • cmd - The command class for options.
  • flags - The flags to set.

Returns Value dependent on command class: NRF_F_GETFL - Value of file status flags. -1 on error, and errno indicates the reason for failure. 0 otherwise.