1275970Scy/* 2275970Scy * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu> 3275970Scy * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson 4275970Scy * 5275970Scy * Redistribution and use in source and binary forms, with or without 6275970Scy * modification, are permitted provided that the following conditions 7275970Scy * are met: 8275970Scy * 1. Redistributions of source code must retain the above copyright 9275970Scy * notice, this list of conditions and the following disclaimer. 10275970Scy * 2. Redistributions in binary form must reproduce the above copyright 11275970Scy * notice, this list of conditions and the following disclaimer in the 12275970Scy * documentation and/or other materials provided with the distribution. 13275970Scy * 3. The name of the author may not be used to endorse or promote products 14275970Scy * derived from this software without specific prior written permission. 15275970Scy * 16275970Scy * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17275970Scy * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18275970Scy * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19275970Scy * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20275970Scy * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21275970Scy * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22275970Scy * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23275970Scy * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24275970Scy * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25275970Scy * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26275970Scy */ 27275970Scy#ifndef LOG_INTERNAL_H_INCLUDED_ 28275970Scy#define LOG_INTERNAL_H_INCLUDED_ 29275970Scy 30275970Scy#include "event2/util.h" 31275970Scy 32275970Scy#ifdef __GNUC__ 33275970Scy#define EV_CHECK_FMT(a,b) __attribute__((format(printf, a, b))) 34275970Scy#define EV_NORETURN __attribute__((noreturn)) 35275970Scy#else 36275970Scy#define EV_CHECK_FMT(a,b) 37275970Scy#define EV_NORETURN 38275970Scy#endif 39275970Scy 40275970Scy#define EVENT_ERR_ABORT_ ((int)0xdeaddead) 41275970Scy 42275970Scy#define USE_GLOBAL_FOR_DEBUG_LOGGING 43275970Scy 44275970Scy#if !defined(EVENT__DISABLE_DEBUG_MODE) || defined(USE_DEBUG) 45275970Scy#define EVENT_DEBUG_LOGGING_ENABLED 46275970Scy#endif 47275970Scy 48275970Scy#ifdef EVENT_DEBUG_LOGGING_ENABLED 49275970Scy#ifdef USE_GLOBAL_FOR_DEBUG_LOGGING 50275970Scyextern ev_uint32_t event_debug_logging_mask_; 51275970Scy#define event_debug_get_logging_mask_() (event_debug_logging_mask_) 52275970Scy#else 53275970Scyev_uint32_t event_debug_get_logging_mask_(void); 54275970Scy#endif 55275970Scy#else 56275970Scy#define event_debug_get_logging_mask_() (0) 57275970Scy#endif 58275970Scy 59275970Scyvoid event_err(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN; 60275970Scyvoid event_warn(const char *fmt, ...) EV_CHECK_FMT(1,2); 61275970Scyvoid event_sock_err(int eval, evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(3,4) EV_NORETURN; 62275970Scyvoid event_sock_warn(evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(2,3); 63275970Scyvoid event_errx(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN; 64275970Scyvoid event_warnx(const char *fmt, ...) EV_CHECK_FMT(1,2); 65275970Scyvoid event_msgx(const char *fmt, ...) EV_CHECK_FMT(1,2); 66275970Scyvoid event_debugx_(const char *fmt, ...) EV_CHECK_FMT(1,2); 67275970Scy 68275970Scyvoid event_logv_(int severity, const char *errstr, const char *fmt, va_list ap) 69275970Scy EV_CHECK_FMT(3,0); 70275970Scy 71275970Scy#ifdef EVENT_DEBUG_LOGGING_ENABLED 72275970Scy#define event_debug(x) do { \ 73275970Scy if (event_debug_get_logging_mask_()) { \ 74275970Scy event_debugx_ x; \ 75275970Scy } \ 76275970Scy } while (0) 77275970Scy#else 78275970Scy#define event_debug(x) ((void)0) 79275970Scy#endif 80275970Scy 81275970Scy#undef EV_CHECK_FMT 82275970Scy 83275970Scy#endif 84