/// Changes the ownership of the file referred to by the open file descriptor.
///
/// @return `0` on success, a libuv error code on failure.
///
/// @note If the `owner` or `group` is specified as `-1`, then that ID is not
/// changed.
int os_fchown(int file_descriptor, uv_uid_t owner, uv_gid_t group)
{
uv_fs_t request;
int result = uv_fs_fchown(uv_default_loop(), &request, file_descriptor,
owner, group, NULL);
uv_fs_req_cleanup(&request);
return result;
}
/*
* fs.fchown
*/
static int fs_fchown(lua_State* L) {
FSR__SETUP
int fd = luaL_checkint(L, 1);
int uid = luaL_checkint(L, 2);
int gid = luaL_checkint(L, 3);
FSR__SET_OPT_CB(4, on_fs_callback)
uv_fs_fchown(loop, req, fd, uid, gid, cb);
FSR__TEARDOWN
}
static int lluv_file_chown(lua_State* L) {
const char *path = NULL;
lluv_file_t *f = lluv_check_file(L, 1, LLUV_FLAG_OPEN);
lluv_loop_t *loop = f->loop;
uv_uid_t uid = (uv_uid_t)lutil_checkint64(L, 2);
uv_gid_t gid = (uv_gid_t)lutil_checkint64(L, 3);
int argc = 3;
LLUV_PRE_FILE();
lua_pushvalue(L, 1);
req->file_ref = luaL_ref(L, LLUV_LUA_REGISTRY);
err = uv_fs_fchown(loop->handle, &req->req, f->handle, uid, gid, cb);
LLUV_POST_FILE();
}