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_INTERNAL_H_INCLUDED_ 28#define LOG_INTERNAL_H_INCLUDED_ 29 30#include "event2/util.h" 31 32#ifdef __cplusplus 33extern "C" { 34#endif 35 36#ifdef __GNUC__ 37#define EV_CHECK_FMT(a,b) __attribute__((format(printf, a, b))) 38#define EV_NORETURN __attribute__((noreturn)) 39#else 40#define EV_CHECK_FMT(a,b) 41#define EV_NORETURN 42#endif 43 44#define EVENT_ERR_ABORT_ ((int)0xdeaddead) 45 46#if !defined(EVENT__DISABLE_DEBUG_MODE) || defined(USE_DEBUG) 47#define EVENT_DEBUG_LOGGING_ENABLED 48#endif 49 50#ifdef EVENT_DEBUG_LOGGING_ENABLED 51EVENT2_CORE_EXPORT_SYMBOL extern ev_uint32_t event_debug_logging_mask_; 52#define event_debug_get_logging_mask_() (event_debug_logging_mask_) 53#else 54#define event_debug_get_logging_mask_() (0) 55#endif 56 57EVENT2_EXPORT_SYMBOL 58void event_err(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN; 59EVENT2_EXPORT_SYMBOL 60void event_warn(const char *fmt, ...) EV_CHECK_FMT(1,2); 61EVENT2_EXPORT_SYMBOL 62void event_sock_err(int eval, evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(3,4) EV_NORETURN; 63EVENT2_EXPORT_SYMBOL 64void event_sock_warn(evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(2,3); 65EVENT2_EXPORT_SYMBOL 66void event_errx(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN; 67EVENT2_EXPORT_SYMBOL 68void event_warnx(const char *fmt, ...) EV_CHECK_FMT(1,2); 69EVENT2_EXPORT_SYMBOL 70void event_msgx(const char *fmt, ...) EV_CHECK_FMT(1,2); 71EVENT2_EXPORT_SYMBOL 72void event_debugx_(const char *fmt, ...) EV_CHECK_FMT(1,2); 73 74EVENT2_EXPORT_SYMBOL 75void event_logv_(int severity, const char *errstr, const char *fmt, va_list ap) 76 EV_CHECK_FMT(3,0); 77 78#ifdef EVENT_DEBUG_LOGGING_ENABLED 79#define event_debug(x) do { \ 80 if (event_debug_get_logging_mask_()) { \ 81 event_debugx_ x; \ 82 } \ 83 } while (0) 84#else 85#define event_debug(x) ((void)0) 86#endif 87 88#undef EV_CHECK_FMT 89 90#ifdef __cplusplus 91} 92#endif 93 94#endif /* LOG_INTERNAL_H_INCLUDED_ */ 95