}
ReleaseSRWLockExclusive(&f->rw_lock);
return r;
}
static const struct file_ops dsp_ops = {
.close = dsp_close,
.read = dsp_read,
.write = dsp_write,
.stat = virtualfs_custom_stat,
.ioctl = dsp_ioctl,
};
static struct file *dsp_alloc();
struct virtualfs_custom_desc dsp_desc = VIRTUALFS_CUSTOM(mkdev(14, 3), dsp_alloc);
static struct file *dsp_alloc()
{
struct dsp_file *f = (struct dsp_file *)kmalloc(sizeof(struct dsp_file));
file_init(&f->custom_file.base_file, &dsp_ops, O_LARGEFILE | O_RDWR);
virtualfs_init_custom(f, &dsp_desc);
f->waveout = NULL;
SECURITY_ATTRIBUTES attr;
attr.nLength = sizeof(SECURITY_ATTRIBUTES);
attr.bInheritHandle = FALSE;
attr.lpSecurityDescriptor = NULL;
for (int i = 0; i < DSP_BUFFER_COUNT; i++)
f->buffer[i].event = CreateEventW(&attr, FALSE, TRUE, NULL);
dsp_reset(f);
return (struct file *)f;
}
default:
log_error("console: unknown ioctl command: %x\n", cmd);
r = -EINVAL;
break;
}
console_unlock();
return r;
}
static const struct file_ops console_ops = {
.get_poll_status = console_get_poll_status,
.get_poll_handle = console_get_poll_handle,
.close = console_close,
.read = console_read,
.write = console_write,
.stat = virtualfs_custom_stat,
.ioctl = console_ioctl,
};
struct virtualfs_custom_desc console_desc = VIRTUALFS_CUSTOM(mkdev(5, 1), console_alloc);
struct file *console_alloc()
{
struct console_file *f = (struct console_file *)kmalloc(sizeof(struct console_file));
file_init(&f->custom_file.base_file, &console_ops, O_LARGEFILE | O_RDWR);
virtualfs_init_custom(f, &console_desc);
return (struct file *)f;
}
