On Wed, 3 May 2023 at 12:11, Michael J. Baars < mjbaars1977.pgsql.hack...@gmail.com> wrote:
> The shared common address space is controlled by the clone(2) CLONE_VM > option. Indeed this results in an environment in which both the parent and > the child can read / write each other's memory, but dynamic memory being > allocated using malloc(3) from two different threads simulaneously will > result in internal interference. > There's an interesting note here https://stackoverflow.com/a/45285877 TL;DR: glibc malloc does not cope well with threads created with clone(). Use pthread_create if you wish to use glibc malloc. Geoff