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-rw-r--r--erts/emulator/beam/erl_nif.c64
1 files changed, 55 insertions, 9 deletions
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index 818156fce6..62798bb2c1 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -131,10 +131,13 @@ static void pre_nif_noproc(ErlNifEnv* env, struct erl_module_nif* mod_nif)
env->tmp_obj_list = NULL;
}
-/* Temporary object header, auto-deallocated when NIF returns. */
+/* Temporary object header, auto-deallocated when NIF returns
+ * or when independent environment is cleared.
+ */
struct enif_tmp_obj_t {
struct enif_tmp_obj_t* next;
void (*dtor)(struct enif_tmp_obj_t*);
+ ErtsAlcType_t allocator;
/*char data[];*/
};
@@ -245,7 +248,7 @@ ErlNifEnv* enif_alloc_env(void)
msg_env->env.hp_end = phony_heap;
msg_env->env.heap_frag = NULL;
msg_env->env.mod_nif = NULL;
- msg_env->env.tmp_obj_list = (struct enif_tmp_obj_t*) 1; /* invalid non-NULL */
+ msg_env->env.tmp_obj_list = NULL;
msg_env->env.proc = &msg_env->phony_proc;
memset(&msg_env->phony_proc, 0, sizeof(Process));
HEAP_START(&msg_env->phony_proc) = phony_heap;
@@ -290,6 +293,7 @@ void enif_clear_env(ErlNifEnv* env)
menv->env.hp = menv->env.hp_end = HEAP_TOP(p);
ASSERT(!is_offheap(&MSO(p)));
+ free_tmp_objs(env);
}
int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
ErlNifEnv* msg_env, ERL_NIF_TERM msg)
@@ -436,24 +440,36 @@ int enif_is_exception(ErlNifEnv* env, ERL_NIF_TERM term)
return term == THE_NON_VALUE;
}
+int enif_is_number(ErlNifEnv* env, ERL_NIF_TERM term)
+{
+ return is_number(term);
+}
+
+static ERTS_INLINE int is_proc_bound(ErlNifEnv* env)
+{
+ return env->mod_nif != NULL;
+}
+
static void aligned_binary_dtor(struct enif_tmp_obj_t* obj)
{
- erts_free_aligned_binary_bytes_extra((byte*)obj,ERTS_ALC_T_TMP);
+ erts_free_aligned_binary_bytes_extra((byte*)obj, obj->allocator);
}
int enif_inspect_binary(ErlNifEnv* env, Eterm bin_term, ErlNifBinary* bin)
{
+ ErtsAlcType_t allocator = is_proc_bound(env) ? ERTS_ALC_T_TMP : ERTS_ALC_T_NIF;
union {
struct enif_tmp_obj_t* tmp;
byte* raw_ptr;
}u;
u.tmp = NULL;
- bin->data = erts_get_aligned_binary_bytes_extra(bin_term, &u.raw_ptr, ERTS_ALC_T_TMP,
+ bin->data = erts_get_aligned_binary_bytes_extra(bin_term, &u.raw_ptr, allocator,
sizeof(struct enif_tmp_obj_t));
if (bin->data == NULL) {
return 0;
}
if (u.tmp != NULL) {
+ u.tmp->allocator = allocator;
u.tmp->next = env->tmp_obj_list;
u.tmp->dtor = &aligned_binary_dtor;
env->tmp_obj_list = u.tmp;
@@ -467,12 +483,13 @@ int enif_inspect_binary(ErlNifEnv* env, Eterm bin_term, ErlNifBinary* bin)
static void tmp_alloc_dtor(struct enif_tmp_obj_t* obj)
{
- erts_free(ERTS_ALC_T_TMP, obj);
+ erts_free(obj->allocator, obj);
}
int enif_inspect_iolist_as_binary(ErlNifEnv* env, Eterm term, ErlNifBinary* bin)
{
struct enif_tmp_obj_t* tobj;
+ ErtsAlcType_t allocator;
Uint sz;
if (is_binary(term)) {
return enif_inspect_binary(env,term,bin);
@@ -487,8 +504,10 @@ int enif_inspect_iolist_as_binary(ErlNifEnv* env, Eterm term, ErlNifBinary* bin)
if (erts_iolist_size(term, &sz)) {
return 0;
}
-
- tobj = erts_alloc(ERTS_ALC_T_TMP, sz + sizeof(struct enif_tmp_obj_t));
+
+ allocator = is_proc_bound(env) ? ERTS_ALC_T_TMP : ERTS_ALC_T_NIF;
+ tobj = erts_alloc(allocator, sz + sizeof(struct enif_tmp_obj_t));
+ tobj->allocator = allocator;
tobj->next = env->tmp_obj_list;
tobj->dtor = &tmp_alloc_dtor;
env->tmp_obj_list = tobj;
@@ -677,6 +696,7 @@ Eterm enif_make_sub_binary(ErlNifEnv* env, ERL_NIF_TERM bin_term,
ErlSubBin* sb;
Eterm orig;
Uint offset, bit_offset, bit_size;
+#ifdef DEBUG
unsigned src_size;
ASSERT(is_binary(bin_term));
@@ -684,6 +704,7 @@ Eterm enif_make_sub_binary(ErlNifEnv* env, ERL_NIF_TERM bin_term,
ASSERT(pos <= src_size);
ASSERT(size <= src_size);
ASSERT(pos + size <= src_size);
+#endif
sb = (ErlSubBin*) alloc_heap(env, ERL_SUB_BIN_SIZE);
ERTS_GET_REAL_BIN(bin_term, orig, offset, bit_offset, bit_size);
sb->thing_word = HEADER_SUB_BIN;
@@ -1022,6 +1043,29 @@ void enif_system_info(ErlNifSysInfo *sip, size_t si_size)
driver_system_info(sip, si_size);
}
+int enif_make_reverse_list(ErlNifEnv* env, ERL_NIF_TERM term, ERL_NIF_TERM *list) {
+ Eterm *listptr, ret = NIL, *hp;
+
+ if (is_nil(term)) {
+ *list = term;
+ return 1;
+ }
+
+ ret = NIL;
+
+ while (is_not_nil(term)) {
+ if (is_not_list(term)) {
+ return 0;
+ }
+ hp = alloc_heap(env, 2);
+ listptr = list_val(term);
+ ret = CONS(hp, CAR(listptr), ret);
+ term = CDR(listptr);
+ }
+ *list = ret;
+ return 1;
+}
+
ErlNifMutex* enif_mutex_create(char *name) { return erl_drv_mutex_create(name); }
void enif_mutex_destroy(ErlNifMutex *mtx) { erl_drv_mutex_destroy(mtx); }
@@ -1716,8 +1760,10 @@ struct readonly_check_t
};
static void add_readonly_check(ErlNifEnv* env, unsigned char* ptr, unsigned sz)
{
- struct readonly_check_t* obj = erts_alloc(ERTS_ALC_T_TMP,
+ ErtsAlcType_t allocator = is_proc_bound(env) ? ERTS_ALC_T_TMP : ERTS_ALC_T_NIF;
+ struct readonly_check_t* obj = erts_alloc(allocator,
sizeof(struct readonly_check_t));
+ obj->hdr.allocator = allocator;
obj->hdr.next = env->tmp_obj_list;
env->tmp_obj_list = &obj->hdr;
obj->hdr.dtor = &readonly_check_dtor;
@@ -1734,7 +1780,7 @@ static void readonly_check_dtor(struct enif_tmp_obj_t* o)
" %x != %x\r\nABORTING\r\n", chksum, obj->checksum);
abort();
}
- erts_free(ERTS_ALC_T_TMP, obj);
+ erts_free(obj->hdr.allocator, obj);
}
static unsigned calc_checksum(unsigned char* ptr, unsigned size)
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-05 01:30:37 +0000