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api: explicitly check handle validity in epoll_close()

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This commit is contained in:
Bert Belder 2017-12-07 22:03:45 +01:00
parent 157cadf4e4
commit 093e6f5240
1 changed files with 9 additions and 3 deletions
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12
src/api.c
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@ -65,15 +65,21 @@ int epoll_close(HANDLE ephnd) {
return -1;
tree_node = reflock_tree_del_and_ref(&_epoll_handle_tree, (uintptr_t) ephnd);
if (tree_node == NULL)
return_handle_error(-1, ephnd, ERROR_INVALID_PARAMETER);
port_info = _handle_tree_node_to_port(tree_node);
if (tree_node == NULL) {
err_set_win_error(ERROR_INVALID_PARAMETER);
goto err;
}
port_info = _handle_tree_node_to_port(tree_node);
ep_port_close(port_info);
reflock_tree_node_unref_and_destroy(tree_node);
return ep_port_delete(port_info);
err:
err_check_handle(ephnd);
return -1;
}
int epoll_ctl(HANDLE ephnd, int op, SOCKET sock, struct epoll_event* ev) {