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heap: Fix spurious heap_caps_check_integrity() errors in Comprehensive mode

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Heap was not being locked before poisoning, so heap_caps_check_integrity()
would sometimes race with checking the poison bytes and print unnecessary
errors.

Details: https://esp32.com/viewtopic.php?f=2&t=3348&p=15732#p15732
This commit is contained in:
Angus Gratton
2017-10-18 14:54:55 +08:00
committed by Angus Gratton
parent 2e8441df9e
commit 04188d8ec7
5 changed files with 108 additions and 42 deletions
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7
components/heap/multi_heap_internal.h
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@@ -38,3 +38,10 @@ bool multi_heap_internal_check_block_poisoning(void *start, size_t size, bool is
Called when merging blocks, to overwrite the old block header.
*/
void multi_heap_internal_poison_fill_region(void *start, size_t size, bool is_free);
/* Allow heap poisoning to lock/unlock the heap to avoid race conditions
if multi_heap_check() is running concurrently.
*/
void multi_heap_internal_lock(multi_heap_handle_t heap);
void multi_heap_internal_unlock(multi_heap_handle_t heap);