usr/src/lib/gss_mechs/mech_krb5/krb5/krb/cleanup.h

   1 #pragma ident   "%Z%%M% %I%     %E% SMI"
   2
   3 #ifndef KRB5_CLEANUP
   4 #define KRB5_CLEANUP
   5
   6 struct cleanup {
   7     void                * arg;
   8     void                (*func)(void *);
   9 };
  10
  11 #define CLEANUP_INIT(x)                                                 \
  12     struct cleanup cleanup_data[x];                                     \
  13     int cleanup_count = 0;
  14
  15 #define CLEANUP_PUSH(x, y)                                              \
  16     cleanup_data[cleanup_count].arg = x;                                \
  17     cleanup_data[cleanup_count].func = y;                               \
  18     cleanup_count++;
  19
  20 #define CLEANUP_POP(x)                                                  \
  21     if ((--cleanup_count) && x && (cleanup_data[cleanup_count].func))   \
  22         cleanup_data[cleanup_count].func(cleanup_data[cleanup_count].arg);
  23
  24 #define CLEANUP_DONE()                                                  \
  25     while(cleanup_count--)                                              \
  26         if (cleanup_data[cleanup_count].func)                           \
  27             cleanup_data[cleanup_count].func(cleanup_data[cleanup_count].arg);
  28
  29
  30 #endif