| | 1 | /* |
| | 2 | * itrace.h |
| | 3 | * |
| | 4 | * $Id$ |
| | 5 | * |
| | 6 | * Trace functions |
| | 7 | * |
| | 8 | * The iODBC driver manager. |
| | 9 | * |
| | 10 | * Copyright (C) 1995 by Ke Jin <kejin@empress.com> |
| | 11 | * |
| | 12 | * This library is free software; you can redistribute it and/or |
| | 13 | * modify it under the terms of the GNU Library General Public |
| | 14 | * License as published by the Free Software Foundation; either |
| | 15 | * version 2 of the License, or (at your option) any later version. |
| | 16 | * |
| | 17 | * This library is distributed in the hope that it will be useful, |
| | 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| | 20 | * Library General Public License for more details. |
| | 21 | * |
| | 22 | * You should have received a copy of the GNU Library General Public |
| | 23 | * License along with this library; if not, write to the Free |
| | 24 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| | 25 | */ |
| | 26 | #ifndef _ITRACE_H |
| | 27 | #define _ITRACE_H |
| | 28 | |
| | 29 | #ifdef DEBUG |
| | 30 | |
| | 31 | #ifndef NO_TRACE |
| | 32 | #define NO_TRACE |
| | 33 | #endif |
| | 34 | |
| | 35 | #endif |
| | 36 | |
| | 37 | #define TRACE_TYPE_APP2DM 1 |
| | 38 | #define TRACE_TYPE_DM2DRV 2 |
| | 39 | #define TRACE_TYPE_DRV2DM 3 |
| | 40 | |
| | 41 | #define TRACE_TYPE_RETURN 4 |
| | 42 | |
| | 43 | extern HPROC _iodbcdm_gettrproc (void FAR * stm, int procid, int type); |
| | 44 | |
| | 45 | #ifdef NO_TRACE |
| | 46 | #define TRACE_CALL( stm, trace_on, procid, plist ) |
| | 47 | #else |
| | 48 | #define TRACE_CALL( stm, trace_on, plist )\ |
| | 49 | {\ |
| | 50 | if( trace_on)\ |
| | 51 | {\ |
| | 52 | HPROC hproc;\ |
| | 53 | \ |
| | 54 | hproc = _iodbcdm_gettrproc(stm, procid, TRACE_TYPE_APP2DM);\ |
| | 55 | \ |
| | 56 | if( hproc )\ |
| | 57 | hproc plist;\ |
| | 58 | }\ |
| | 59 | } |
| | 60 | #endif |
| | 61 | |
| | 62 | #ifdef NO_TRACE |
| | 63 | #define TRACE_DM2DRV( stm, procid, plist ) |
| | 64 | #else |
| | 65 | #define TRACE_DM2DRV( stm, procid, plist )\ |
| | 66 | {\ |
| | 67 | HPROC hproc;\ |
| | 68 | \ |
| | 69 | hproc = _iodbcdm_gettrproc(stm, procid, TRACE_TYPE_DM2DRV);\ |
| | 70 | \ |
| | 71 | if( hproc )\ |
| | 72 | hproc plist;\ |
| | 73 | } |
| | 74 | #endif |
| | 75 | |
| | 76 | #ifdef NO_TRACE |
| | 77 | #define TRACE_DRV2DM( stm, procid, plist ) |
| | 78 | #else |
| | 79 | #define TRACE_DRV2DM( stm, procid, plist ) \ |
| | 80 | {\ |
| | 81 | HPROC hproc;\ |
| | 82 | \ |
| | 83 | hproc = _iodbcdm_gettrproc( stm, procid, TRACE_TYPE_DRV2DM);\ |
| | 84 | \ |
| | 85 | if( hproc )\ |
| | 86 | hproc plist;\ |
| | 87 | } |
| | 88 | #endif |
| | 89 | |
| | 90 | #ifdef NO_TRACE |
| | 91 | #define TRACE_RETURN( stm, trace_on, ret ) |
| | 92 | #else |
| | 93 | #define TRACE_RETURN( stm, trace_on, ret )\ |
| | 94 | {\ |
| | 95 | if( trace_on ) {\ |
| | 96 | HPROC hproc;\ |
| | 97 | \ |
| | 98 | hproc = _iodbcdm_gettrproc( stm, 0, TRACE_TYPE_RETURN);\ |
| | 99 | \ |
| | 100 | if( hproc )\ |
| | 101 | hproc( stm, ret );\ |
| | 102 | }\ |
| | 103 | } |
| | 104 | #endif |
| | 105 | |
| | 106 | #ifdef NO_TRACE |
| | 107 | #define CALL_DRIVER( hdbc, ret, proc, procid, plist ) { ret = proc plist; } |
| | 108 | #else |
| | 109 | #define CALL_DRIVER( hdbc, ret, proc, procid, plist )\ |
| | 110 | {\ |
| | 111 | DBC_t FAR* pdbc = (DBC_t FAR*)(hdbc);\ |
| | 112 | \ |
| | 113 | if( pdbc->trace ) {\ |
| | 114 | TRACE_DM2DRV( pdbc->tstm, procid, plist )\ |
| | 115 | ret = proc plist;\ |
| | 116 | TRACE_DRV2DM( pdbc->tstm, procid, plist )\ |
| | 117 | TRACE_RETURN( pdbc->tstm, 1, ret )\ |
| | 118 | }\ |
| | 119 | else\ |
| | 120 | ret = proc plist;\ |
| | 121 | } |
| | 122 | #endif |
| | 123 | |
| | 124 | #endif |
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