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