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 # define TRACE_TYPE_APP2DM      1
  11 # define TRACE_TYPE_DM2DRV      2
  12 # define TRACE_TYPE_DRV2DM      3
  13
  14 # define TRACE_TYPE_RETURN      4
  15
  16 extern HPROC    _iodbcdm_gettrproc(void FAR* stm, int procid, int type);
  17
  18 # ifdef NO_TRACE
  19 #  define TRACE_CALL( stm, trace_on, procid, plist )
  20 # else
  21 #  define TRACE_CALL( stm, trace_on, plist )\
  22         {\
  23                 if( trace_on)\
  24                 {\
  25                         HPROC   hproc;\
  26 \
  27                         hproc = _iodbcdm_gettrproc(stm, procid, TRACE_TYPE_APP2DM);\
  28 \
  29                         if( hproc )\
  30                                 hproc plist;\
  31                 }\
  32         }
  33 # endif
  34
  35 # ifdef NO_TRACE
  36 #  define TRACE_DM2DRV( stm, procid, plist )
  37 # else
  38 #  define TRACE_DM2DRV( stm, procid, plist )\
  39         {\
  40                 HPROC   hproc;\
  41 \
  42                 hproc = _iodbcdm_gettrproc(stm, procid, TRACE_TYPE_DM2DRV);\
  43 \
  44                 if( hproc )\
  45                         hproc plist;\
  46         }
  47 # endif
  48
  49 # ifdef NO_TRACE
  50 #  define TRACE_DRV2DM( stm, procid, plist )
  51 # else
  52 #  define TRACE_DRV2DM( stm, procid, plist ) \
  53         {\
  54                 HPROC   hproc;\
  55 \
  56                 hproc = _iodbcdm_gettrproc( stm, procid, TRACE_TYPE_DRV2DM);\
  57 \
  58                 if( hproc )\
  59                                 hproc plist;\
  60         }
  61 # endif
  62
  63 # ifdef NO_TRACE
  64 #  define TRACE_RETURN( stm, trace_on, ret )
  65 # else
  66 #  define TRACE_RETURN( stm, trace_on, ret )\
  67         {\
  68                 if( trace_on ) {\
  69                         HPROC hproc;\
  70 \
  71                         hproc = _iodbcdm_gettrproc( stm, 0, TRACE_TYPE_RETURN);\
  72 \
  73                         if( hproc )\
  74                                 hproc( stm, ret );\
  75                 }\
  76         }
  77 # endif
  78
  79 # ifdef NO_TRACE
  80 #  define CALL_DRIVER( hdbc, ret, proc, procid, plist ) { ret = proc plist; }
  81 # else
  82 #  define CALL_DRIVER( hdbc, ret, proc, procid, plist )\
  83         {\
  84                 DBC_t FAR*      pdbc = (DBC_t FAR*)(hdbc);\
  85 \
  86                 if( pdbc->trace ) {\
  87                         TRACE_DM2DRV( pdbc->tstm, procid, plist )\
  88                         ret = proc plist;\
  89                         TRACE_DRV2DM( pdbc->tstm, procid, plist )\
  90                         TRACE_RETURN( pdbc->tstm, 1, ret )\
  91                 }\
  92                 else\
  93                         ret = proc plist;\
  94         }
  95 # endif
  96
  97 #endif