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authorSverker Eriksson <[email protected]>2013-04-15 14:07:42 +0200
committerSverker Eriksson <[email protected]>2013-04-15 14:07:42 +0200
commit4caf3f8b94a38e738314f484d18b531dfa16ff8a (patch)
tree76a9ad62cec2628baef0288eb808b64196ac9688 /HOWTO
parent0e9c7394b12d627b08a5f1acd1ba1c21dbfd6e2a (diff)
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erts: Fix locking order violation for allocation wrappers
Some query functions in erl_alloc_util.c lock the allocator mutex and then use erts_printf that in turn may call the sys allocator through the wrappers. To avoid breaking locking order these query functions first "pre-locks" all allocator wrappers.
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