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rebar/priv/templates/basicnif.c
2010-03-25 22:32:53 -06:00

51 lines
1.6 KiB
C

#include "erl_nif.h"
static ErlNifResourceType* {{module}}_RESOURCE;
typedef struct
{
} {{module}}_handle;
// Prototypes
ERL_NIF_TERM {{module}}_new(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
ERL_NIF_TERM {{module}}_myfunction(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ErlNifFunc nif_funcs[] =
{
{"new", 0, {{module}}_new},
{"myfunction", 1, {{module}}_myfunction}
};
ERL_NIF_TERM {{module}}_new(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
{{module}}_handle* handle = enif_alloc_resource(env,
{{module}}_RESOURCE,
sizeof({{module}}_handle));
ERL_NIF_TERM result = enif_make_resource(env, handle);
enif_release_resource(env, handle);
return enif_make_tuple2(env, enif_make_atom(env, "ok"), result);
}
ERL_NIF_TERM {{module}}_myfunction(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
return enif_make_atom(env, "ok");
}
static void {{module}}_resource_cleanup(ErlNifEnv* env, void* arg)
{
// Delete any dynamically allocated memory stored in {{module}}_handle
// {{module}}_handle* handle = ({{module}}_handle*)arg;
}
static int on_load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info)
{
{{module}}_RESOURCE = enif_open_resource_type(env, "{{module}}_resource",
&{{module}}_resource_cleanup,
ERL_NIF_RT_CREATE | ERL_NIF_RT_TAKEOVER,
0);
return 0;
}
ERL_NIF_INIT({{module}}, nif_funcs, &on_load, NULL, NULL, NULL);