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00f53eb337
Fix FreeBSD postfork child handler never being called: FreeBSD's libthr calls _malloc_postfork in both parent and child (see freebsd-src lib/libthr/thread/thr_fork.c), but jemalloc mapped it to the parent handler only. Detect the child via getpid() and route to jemalloc_postfork_child, which resets nthreads and rebuilds the descriptor queue. Remove the child_survivor_bytes vs pre_survivor_bytes comparison: on macOS where jemalloc registers as the default zone, internal allocations during the postfork handler (pthread_mutex_init) can inflate the surviving thread's tcache. Add double-fork test to verify prefork pid is refreshed correctly when a child process forks again. |
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| test.sh.in | ||