1 /* 2 * Copyright (c) 2008, XenSource Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * * Neither the name of XenSource Inc. nor the names of its contributors 13 * may be used to endorse or promote products derived from this software 14 * without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 20 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 26 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 #ifndef _TAPDISK_LOG_H_ 29 #define _TAPDISK_LOG_H_ 30 31 #define TLOG_WARN 0 32 #define TLOG_INFO 1 33 #define TLOG_DBG 2 34 35 void open_tlog(char *file, size_t bytes, int level, int append); 36 void close_tlog(void); 37 void tlog_flush(void); 38 void tlog_print_errors(void); 39 40 void __tlog_write(int level, const char *func, const char *fmt, ...) 41 __attribute__((format(printf, 3, 4))); 42 void __tlog_error(int err, const char *func, const char *fmt, ...) 43 __attribute__((format(printf, 3, 4))); 44 45 #define tlog_write(_level, _f, _a...) \ 46 __tlog_write(_level, __func__, _f, ##_a) 47 48 #define tlog_error(_err, _f, _a...) \ 49 __tlog_error(_err, __func__, _f, ##_a) 50 51 #endif 52