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Fix race condition with #soa

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This commit is contained in:
gingerBill
2024-02-13 16:54:41 +00:00
parent cbfb32c34c
commit d496dbf3a0
3 changed files with 24 additions and 15 deletions
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17
src/types.cpp
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@@ -144,7 +144,7 @@ struct TypeStruct {
Type * soa_elem;
i32 soa_count;
StructSoaKind soa_kind;
RwMutex fields_mutex;
Wait_Signal fields_wait_signal;
BlockingMutex offset_mutex; // for settings offsets
bool is_polymorphic;
@@ -2969,9 +2969,8 @@ gb_internal Selection lookup_field_from_index(Type *type, i64 index) {
isize max_count = 0;
switch (type->kind) {
case Type_Struct:
rw_mutex_shared_lock(&type->Struct.fields_mutex);
wait_signal_until_available(&type->Struct.fields_wait_signal);
max_count = type->Struct.fields.count;
rw_mutex_shared_unlock(&type->Struct.fields_mutex);
break;
case Type_Tuple: max_count = type->Tuple.variables.count; break;
}
@@ -2982,8 +2981,7 @@ gb_internal Selection lookup_field_from_index(Type *type, i64 index) {
switch (type->kind) {
case Type_Struct: {
rw_mutex_shared_lock(&type->Struct.fields_mutex);
defer (rw_mutex_shared_unlock(&type->Struct.fields_mutex));
wait_signal_until_available(&type->Struct.fields_wait_signal);
for (isize i = 0; i < max_count; i++) {
Entity *f = type->Struct.fields[i];
if (f->kind == Entity_Variable) {
@@ -3048,9 +3046,8 @@ gb_internal Selection lookup_field_with_selection(Type *type_, String field_name
}
}
if (type->kind == Type_Struct) {
rw_mutex_shared_lock(&type->Struct.fields_mutex);
wait_signal_until_available(&type->Struct.fields_wait_signal);
isize field_count = type->Struct.fields.count;
rw_mutex_shared_unlock(&type->Struct.fields_mutex);
if (field_count != 0) for_array(i, type->Struct.fields) {
Entity *f = type->Struct.fields[i];
if (f->flags&EntityFlag_Using) {
@@ -3079,9 +3076,8 @@ gb_internal Selection lookup_field_with_selection(Type *type_, String field_name
}
if (type->kind == Type_Struct) {
rw_mutex_shared_lock(&type->Struct.fields_mutex);
wait_signal_until_available(&type->Struct.fields_wait_signal);
Scope *s = type->Struct.scope;
rw_mutex_shared_unlock(&type->Struct.fields_mutex);
if (s != nullptr) {
Entity *found = scope_lookup_current(s, field_name);
if (found != nullptr && found->kind != Entity_Variable) {
@@ -3129,9 +3125,8 @@ gb_internal Selection lookup_field_with_selection(Type *type_, String field_name
}
}
rw_mutex_shared_lock(&type->Struct.fields_mutex);
wait_signal_until_available(&type->Struct.fields_wait_signal);
isize field_count = type->Struct.fields.count;
rw_mutex_shared_unlock(&type->Struct.fields_mutex);
if (field_count != 0) for_array(i, type->Struct.fields) {
Entity *f = type->Struct.fields[i];
if (f->kind != Entity_Variable || (f->flags & EntityFlag_Field) == 0) {