third_party/libevent/nacl_nonsfi/signal_stub.c

   1 /*
   2  * Copyright 2015 The Chromium Authors. All rights reserved.
   3  * Use of this source code is governed by a BSD-style license that can be
   4  * found in the LICENSE file.
   5  */
   6
   7 /*
   8  * In nacl_helper_nonsfi, socketpair() is unavailable. In libevent, it is used
   9  * to notify of a signal handler invocation, which is unused in
  10  * nacl_helper_nonsfi. Unfortunately, there is no macro to disable the feature,
  11  * so we stub out the signal module entirely.
  12  */
  13
  14
  15 #include <signal.h>
  16 #include <stdlib.h>
  17 #include <sys/queue.h>
  18
  19 /* config.h must be included before any other libevent header is included. */
  20 #include "config.h"
  21
  22 #include "third_party/libevent/event-internal.h"
  23 #include "third_party/libevent/event.h"
  24 #include "third_party/libevent/evsignal.h"
  25
  26
  27 struct event_base *evsignal_base = 0;
  28
  29 int evsignal_init(struct event_base *base) {
  30   /* Do nothing, and return success. */
  31   return 0;
  32 }
  33
  34 void evsignal_process(struct event_base *base) {
  35 }
  36
  37 int evsignal_add(struct event *event) {
  38   /* Do nothing, and return an error. */
  39   return -1;
  40 }
  41
  42 int evsignal_del(struct event *event) {
  43   /* Do nothing, and return an error. */
  44   return -1;
  45 }
  46
  47 void evsignal_dealloc(struct event_base *base) {
  48 }