method

fdatasync

v1_9_2_180 - Show latest stable - Class: IO

fdatasync()

public

Immediately writes all buffered data in ios to disk.

NotImplementedError is raised if the underlying operating system does not support fdatasync(2).

static VALUE
rb_io_fdatasync(VALUE io)
{
    rb_io_t *fptr;

    io = GetWriteIO(io);
    GetOpenFile(io, fptr);

    if (io_fflush(fptr) < 0)
        rb_sys_fail(0);
    if (fdatasync(fptr->fd) < 0)
        rb_sys_fail_path(fptr->pathv);
    return INT2FIX(0);
}

fdatasync

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