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 33 extern "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 51 EVENT2_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 57 EVENT2_EXPORT_SYMBOL 58 void event_err(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN; 59 EVENT2_EXPORT_SYMBOL 60 void event_warn(const char *fmt, ...) EV_CHECK_FMT(1,2); 61 EVENT2_EXPORT_SYMBOL 62 void event_sock_err(int eval, evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(3,4) EV_NORETURN; 63 EVENT2_EXPORT_SYMBOL 64 void event_sock_warn(evutil_socket_t sock, const char *fmt, ...) EV_CHECK_FMT(2,3); 65 EVENT2_EXPORT_SYMBOL 66 void event_errx(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN; 67 EVENT2_EXPORT_SYMBOL 68 void event_warnx(const char *fmt, ...) EV_CHECK_FMT(1,2); 69 EVENT2_EXPORT_SYMBOL 70 void event_msgx(const char *fmt, ...) EV_CHECK_FMT(1,2); 71 EVENT2_EXPORT_SYMBOL 72 void event_debugx_(const char *fmt, ...) EV_CHECK_FMT(1,2); 73 74 EVENT2_EXPORT_SYMBOL 75 void 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