src/lt.h

   1 #ifndef LT_H_
   2 #define LT_H_
   3
   4 #define PUSH_LT(lt, resource, resource_destroy) \
   5     lt_push(lt, (void*)resource, (lt_destroy_t)resource_destroy)
   6
   7 #define RESET_LT(lt, old_resource, new_resource)    \
   8     lt_reset(lt, (void*)old_resource, (void*)new_resource)
   9
  10 #define RELEASE_LT(lt, resource)                \
  11     lt_release(lt, (void*) resource)
  12
  13 #define RETURN_LT(lt, result)               \
  14     do {                                    \
  15         destroy_lt(lt);                     \
  16         return result;                      \
  17     } while (0)
  18
  19 #define RETURN_LT0(lt)                          \
  20     do {                                        \
  21         destroy_lt(lt);                         \
  22         return;                                 \
  23     } while (0)
  24
  25 typedef struct lt_t lt_t;
  26 typedef void (*lt_destroy_t)(void*);
  27
  28 lt_t *create_lt(void);
  29 void destroy_lt(lt_t *lt);
  30
  31 void *lt_push(lt_t *lt, void *resource, lt_destroy_t resource_destroy);
  32 void *lt_reset(lt_t *lt, void *old_resource, void *new_resource);
  33 void *lt_release(lt_t *lt, void *resource);
  34
  35 #endif  // LT_H_