lib/signals.h

   1 /*
   2  * Copyright (c) 2008, 2011, 2013 Nicira, Inc.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #ifndef SIGNALS_H
  18 #define SIGNALS_H 1
  19
  20 #include <signal.h>
  21 #include <stdbool.h>
  22 #include <stddef.h>
  23 #include "type-props.h"
  24
  25 void signal_init(void);
  26
  27 struct signal *signal_register(int signr);
  28 void signal_unregister(struct signal *);
  29
  30 bool signal_poll(struct signal *);
  31 void signal_wait(struct signal *);
  32
  33 enum { SIGNAL_NAME_BUFSIZE = 7 + INT_STRLEN(int) + 1 };
  34 const char *signal_name(int signum, char *namebuf, size_t bufsize);
  35
  36 void xsigaction(int signum, const struct sigaction *, struct sigaction *old);
  37 void xpthread_sigmask(int how, const sigset_t *, sigset_t *old);
  38
  39 #endif /* signals.h */