release/src-rt-6.x.4708/router/libevent/log-internal.h

   1 /*
   2  * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
   3  * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. The name of the author may not be used to endorse or promote products
  14  *    derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27 #ifndef _LOG_H_
  28 #define _LOG_H_
  29
  30 #include "event2/util.h"
  31
  32 #ifdef __GNUC__
  33 #define EV_CHECK_FMT(a,b) __attribute__((format(printf, a, b)))
  34 #define EV_NORETURN __attribute__((noreturn))
  35 #else
  36 #define EV_CHECK_FMT(a,b)
  37 #define EV_NORETURN
  38 #endif
  39
  40 #define _EVENT_ERR_ABORT ((int)0xdeaddead)
  41
  42 void event_err(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN;
  43 void event_warn(const char *fmt, ...) EV_CHECK_FMT(1,2);
  44 void event_sock_err(int eval, evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(3,4) EV_NORETURN;
  45 void event_sock_warn(evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(2,3);
  46 void event_errx(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN;
  47 void event_warnx(const char *fmt, ...) EV_CHECK_FMT(1,2);
  48 void event_msgx(const char *fmt, ...) EV_CHECK_FMT(1,2);
  49 void _event_debugx(const char *fmt, ...) EV_CHECK_FMT(1,2);
  50
  51 #ifdef USE_DEBUG
  52 #define event_debug(x) _event_debugx x
  53 #else
  54 #define event_debug(x) do {;} while (0)
  55 #endif
  56
  57 #undef EV_CHECK_FMT
  58
  59 #endif