realloc/free async-signal safe?

Kurt Miller
Wed Sep 16 18:19:00 GMT 2009


I've looked over the malloc/realloc/free implementation and understand
its use of arena's with trylock to avoid lock contention. However, it wasn't
clear to me if the algorithm is truly async-signal safe or not.

Is glibc-2.5's realloc/free implementation async-signal safe?


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