src/iodbc/itrace.h

   1 #ifndef _ITRACE_H
   2 # define _ITRACE_H
   3
   4 # ifdef DEBUG
   5 #  ifndef NO_TRACE
   6 #   define NO_TRACE
   7 #  endif
   8 # endif
   9
  10 /* never trace, Robert Roebling */
  11
  12 #ifndef NO_TRACE
  13 #define NO_TRACE
  14 #endif
  15
  16 # define TRACE_TYPE_APP2DM      1
  17 # define TRACE_TYPE_DM2DRV      2
  18 # define TRACE_TYPE_DRV2DM      3
  19
  20 # define TRACE_TYPE_RETURN      4
  21
  22 extern HPROC    _iodbcdm_gettrproc(void FAR* stm, int procid, int type);
  23
  24 # ifdef NO_TRACE
  25 #  define TRACE_CALL( stm, trace_on, procid, plist )
  26 # else
  27 #  define TRACE_CALL( stm, trace_on, plist )\
  28         {\
  29                 if( trace_on)\
  30                 {\
  31                         HPROC   hproc;\
  32 \
  33                         hproc = _iodbcdm_gettrproc(stm, procid, TRACE_TYPE_APP2DM);\
  34 \
  35                         if( hproc )\
  36                                 hproc plist;\
  37                 }\
  38         }
  39 # endif
  40
  41 # ifdef NO_TRACE
  42 #  define TRACE_DM2DRV( stm, procid, plist )
  43 # else
  44 #  define TRACE_DM2DRV( stm, procid, plist )\
  45         {\
  46                 HPROC   hproc;\
  47 \
  48                 hproc = _iodbcdm_gettrproc(stm, procid, TRACE_TYPE_DM2DRV);\
  49 \
  50                 if( hproc )\
  51                         hproc plist;\
  52         }
  53 # endif
  54
  55 # ifdef NO_TRACE
  56 #  define TRACE_DRV2DM( stm, procid, plist )
  57 # else
  58 #  define TRACE_DRV2DM( stm, procid, plist ) \
  59         {\
  60                 HPROC   hproc;\
  61 \
  62                 hproc = _iodbcdm_gettrproc( stm, procid, TRACE_TYPE_DRV2DM);\
  63 \
  64                 if( hproc )\
  65                                 hproc plist;\
  66         }
  67 # endif
  68
  69 # ifdef NO_TRACE
  70 #  define TRACE_RETURN( stm, trace_on, ret )
  71 # else
  72 #  define TRACE_RETURN( stm, trace_on, ret )\
  73         {\
  74                 if( trace_on ) {\
  75                         HPROC hproc;\
  76 \
  77                         hproc = _iodbcdm_gettrproc( stm, 0, TRACE_TYPE_RETURN);\
  78 \
  79                         if( hproc )\
  80                                 hproc( stm, ret );\
  81                 }\
  82         }
  83 # endif
  84
  85 # ifdef NO_TRACE
  86 #  define CALL_DRIVER( hdbc, ret, proc, procid, plist ) { ret = proc plist; }
  87 # else
  88 #  define CALL_DRIVER( hdbc, ret, proc, procid, plist )\
  89         {\
  90                 DBC_t FAR*      pdbc = (DBC_t FAR*)(hdbc);\
  91 \
  92                 if( pdbc->trace ) {\
  93                         TRACE_DM2DRV( pdbc->tstm, procid, plist )\
  94                         ret = proc plist;\
  95                         TRACE_DRV2DM( pdbc->tstm, procid, plist )\
  96                         TRACE_RETURN( pdbc->tstm, 1, ret )\
  97                 }\
  98                 else\
  99                         ret = proc plist;\
 100         }
 101 # endif
 102
 103 #endif