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Cycles: Throw bad_alloc exception when custom allocators failed to allocate memory

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This mimics behavior of default allocators in STL and allows all the routines
to catch out-of-memory exceptions and hopefully recover from that situation/
This commit is contained in:
Sergey Sharybin
2016-04-20 15:49:52 +02:00
parent d7e4f920fd
commit e3544c9e28
3 changed files with 26 additions and 7 deletions
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12
intern/cycles/util/util_stack_allocator.h
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@@ -60,11 +60,15 @@ public:
if(pointer_ + n >= SIZE) {
size_t size = n * sizeof(T);
util_guarded_mem_alloc(size);
T *mem;
#ifdef WITH_BLENDER_GUARDEDALLOC
return (T*)MEM_mallocN_aligned(size, 16, "Cycles Alloc");
mem = (T*)MEM_mallocN_aligned(size, 16, "Cycles Alloc");
#else
return (T*)malloc(size);
mem = (T*)malloc(size);
#endif
if(mem == NULL) {
throw std::bad_alloc();
}
}
T *mem = &data_[pointer_];
pointer_ += n;
@@ -104,7 +108,9 @@ public:
void construct(T *p, const T& val)
{
new ((T *)p) T(val);
if(p != NULL) {
new ((T *)p) T(val);
}
}
void destroy(T *p)