forked from libevent/libevent
/
log-internal.h
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/
log-internal.h
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/*
* Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
* Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef LOG_INTERNAL_H_INCLUDED_
#define LOG_INTERNAL_H_INCLUDED_
#include "event2/util.h"
#ifdef __GNUC__
#define EV_CHECK_FMT(a,b) __attribute__((format(printf, a, b)))
#define EV_NORETURN __attribute__((noreturn))
#else
#define EV_CHECK_FMT(a,b)
#define EV_NORETURN
#endif
#define EVENT_ERR_ABORT_ ((int)0xdeaddead)
#define USE_GLOBAL_FOR_DEBUG_LOGGING
#if !defined(EVENT__DISABLE_DEBUG_MODE) || defined(USE_DEBUG)
#define EVENT_DEBUG_LOGGING_ENABLED
#endif
#ifdef EVENT_DEBUG_LOGGING_ENABLED
#ifdef USE_GLOBAL_FOR_DEBUG_LOGGING
extern ev_uint32_t event_debug_logging_mask_;
#define event_debug_get_logging_mask_() (event_debug_logging_mask_)
#else
ev_uint32_t event_debug_get_logging_mask_(void);
#endif
#else
#define event_debug_get_logging_mask_() (0)
#endif
void event_err(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN;
void event_warn(const char *fmt, ...) EV_CHECK_FMT(1,2);
void event_sock_err(int eval, evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(3,4) EV_NORETURN;
void event_sock_warn(evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(2,3);
void event_errx(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN;
void event_warnx(const char *fmt, ...) EV_CHECK_FMT(1,2);
void event_msgx(const char *fmt, ...) EV_CHECK_FMT(1,2);
void event_debugx_(const char *fmt, ...) EV_CHECK_FMT(1,2);
void event_logv_(int severity, const char *errstr, const char *fmt, va_list ap)
EV_CHECK_FMT(3,0);
#ifdef EVENT_DEBUG_LOGGING_ENABLED
#define event_debug(x) do { \
if (event_debug_get_logging_mask_()) { \
event_debugx_ x; \
} \
} while (0)
#else
#define event_debug(x) ((void)0)
#endif
#undef EV_CHECK_FMT
#endif