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-rw-r--r--erts/emulator/beam/erl_nif.c48
1 files changed, 41 insertions, 7 deletions
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index 62798bb2c1..58a09986d2 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -531,7 +531,7 @@ int enif_alloc_binary(size_t size, ErlNifBinary* bin)
}
refbin->flags = BIN_FLAG_DRV; /* BUGBUG: Flag? */
erts_refc_init(&refbin->refc, 1);
- refbin->orig_size = (long) size;
+ refbin->orig_size = (SWord) size;
bin->size = size;
bin->data = (unsigned char*) refbin->orig_bytes;
@@ -744,7 +744,8 @@ int enif_get_int(ErlNifEnv* env, Eterm term, int* ip)
{
#if SIZEOF_INT == ERTS_SIZEOF_ETERM
return term_to_Sint(term, (Sint*)ip);
-#elif SIZEOF_LONG == ERTS_SIZEOF_ETERM
+#elif (SIZEOF_LONG == ERTS_SIZEOF_ETERM) || \
+ (SIZEOF_LONG_LONG == ERTS_SIZEOF_ETERM)
Sint i;
if (!term_to_Sint(term, &i) || i < INT_MIN || i > INT_MAX) {
return 0;
@@ -760,7 +761,8 @@ int enif_get_uint(ErlNifEnv* env, Eterm term, unsigned* ip)
{
#if SIZEOF_INT == ERTS_SIZEOF_ETERM
return term_to_Uint(term, (Uint*)ip);
-#elif SIZEOF_LONG == ERTS_SIZEOF_ETERM
+#elif (SIZEOF_LONG == ERTS_SIZEOF_ETERM) || \
+ (SIZEOF_LONG_LONG == ERTS_SIZEOF_ETERM)
Uint i;
if (!term_to_Uint(term, &i) || i > UINT_MAX) {
return 0;
@@ -776,6 +778,13 @@ int enif_get_long(ErlNifEnv* env, Eterm term, long* ip)
return term_to_Sint(term, ip);
#elif SIZEOF_LONG == 8
return term_to_Sint64(term, ip);
+#elif SIZEOF_LONG == SIZEOF_INT
+ int tmp,ret;
+ ret = enif_get_int(env,term,&tmp);
+ if (ret) {
+ *ip = (long) tmp;
+ }
+ return ret;
#else
# error Unknown long word size
#endif
@@ -787,6 +796,14 @@ int enif_get_ulong(ErlNifEnv* env, Eterm term, unsigned long* ip)
return term_to_Uint(term, ip);
#elif SIZEOF_LONG == 8
return term_to_Uint64(term, ip);
+#elif SIZEOF_LONG == SIZEOF_INT
+ int ret;
+ unsigned int tmp;
+ ret = enif_get_uint(env,term,&tmp);
+ if (ret) {
+ *ip = (unsigned long) tmp;
+ }
+ return ret;
#else
# error Unknown long word size
#endif
@@ -847,7 +864,8 @@ ERL_NIF_TERM enif_make_int(ErlNifEnv* env, int i)
{
#if SIZEOF_INT == ERTS_SIZEOF_ETERM
return IS_SSMALL(i) ? make_small(i) : small_to_big(i,alloc_heap(env,2));
-#elif SIZEOF_LONG == ERTS_SIZEOF_ETERM
+#elif (SIZEOF_LONG == ERTS_SIZEOF_ETERM) || \
+ (SIZEOF_LONG_LONG == ERTS_SIZEOF_ETERM)
return make_small(i);
#endif
}
@@ -856,7 +874,8 @@ ERL_NIF_TERM enif_make_uint(ErlNifEnv* env, unsigned i)
{
#if SIZEOF_INT == ERTS_SIZEOF_ETERM
return IS_USMALL(0,i) ? make_small(i) : uint_to_big(i,alloc_heap(env,2));
-#elif SIZEOF_LONG == ERTS_SIZEOF_ETERM
+#elif (SIZEOF_LONG == ERTS_SIZEOF_ETERM) || \
+ (SIZEOF_LONG_LONG == ERTS_SIZEOF_ETERM)
return make_small(i);
#endif
}
@@ -868,6 +887,8 @@ ERL_NIF_TERM enif_make_long(ErlNifEnv* env, long i)
}
#if SIZEOF_LONG == ERTS_SIZEOF_ETERM
return small_to_big(i, alloc_heap(env,2));
+#elif SIZEOF_LONG_LONG == ERTS_SIZEOF_ETERM
+ return make_small(i);
#elif SIZEOF_LONG == 8
ensure_heap(env,3);
return erts_sint64_to_big(i, &env->hp);
@@ -881,6 +902,8 @@ ERL_NIF_TERM enif_make_ulong(ErlNifEnv* env, unsigned long i)
}
#if SIZEOF_LONG == ERTS_SIZEOF_ETERM
return uint_to_big(i,alloc_heap(env,2));
+#elif SIZEOF_LONG_LONG == ERTS_SIZEOF_ETERM
+ return make_small(i);
#elif SIZEOF_LONG == 8
ensure_heap(env,3);
return erts_uint64_to_big(i, &env->hp);
@@ -1157,7 +1180,7 @@ static ErlNifResourceType* find_resource_type(Eterm module, Eterm name)
}
#define in_area(ptr,start,nbytes) \
- ((unsigned long)((char*)(ptr) - (char*)(start)) < (nbytes))
+ ((UWord)((char*)(ptr) - (char*)(start)) < (nbytes))
static void close_lib(struct erl_module_nif* lib)
@@ -1484,6 +1507,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2)
Eterm ret = am_ok;
int veto;
struct erl_module_nif* lib = NULL;
+ int reload_warning = 0;
len = list_length(BIF_ARG_1);
if (len < 0) {
@@ -1623,6 +1647,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2)
else {
mod->nif->entry = NULL; /* to prevent 'unload' callback */
erts_unload_nif(mod->nif);
+ reload_warning = 1;
}
}
else {
@@ -1669,7 +1694,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2)
}
else { /* Function traced, patch the original instruction word */
BpData** bps = (BpData**) code_ptr[1];
- BpData* bp = (BpData*) bps[bp_sched2ix()];
+ BpData* bp = (BpData*) bps[erts_bp_sched2ix()];
bp->orig_instr = (BeamInstr) BeamOp(op_call_nif);
}
code_ptr[5+1] = (BeamInstr) entry->funcs[i].fptr;
@@ -1691,6 +1716,15 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2)
erts_smp_thr_progress_unblock();
erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN);
erts_free(ERTS_ALC_T_TMP, lib_name);
+
+ if (reload_warning) {
+ erts_dsprintf_buf_t* dsbufp = erts_create_logger_dsbuf();
+ erts_dsprintf(dsbufp,
+ "Repeated calls to erlang:load_nif from module '%T'.\n\n"
+ "The NIF reload mechanism is deprecated and must not "
+ "be used in production systems.\n", mod_atom);
+ erts_send_warning_to_logger(BIF_P->group_leader, dsbufp);
+ }
BIF_RET(ret);
}