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typedef struct call_info_t
{
struct call_info_t* next;
unsigned lib_ver;
int static_cntA;
int static_cntB;
char* arg;
int arg_sz;
char func_name[1]; /* must be last */
}CallInfo;
#define RT_MAX 5
typedef struct
{
ErlNifMutex* mtx;
int ref_cnt;
CallInfo* call_history;
ErlNifResourceType* rt_arr[RT_MAX];
}NifModPrivData;
#define NifModPrivData_release(NMPD) \
do { \
int is_last; \
enif_mutex_lock((NMPD)->mtx); \
is_last = (--(NMPD)->ref_cnt == 0); \
enif_mutex_unlock((NMPD)->mtx); \
if (is_last) { \
enif_mutex_destroy((NMPD)->mtx); \
while ((NMPD)->call_history) { \
CallInfo* next = (NMPD)->call_history->next; \
enif_free((NMPD)->call_history); \
(NMPD)->call_history = next; \
} \
enif_free((NMPD)); \
} \
}while (0)
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