rorth wrote:
It took me a bit to notice this snippet in `sanitizer_solaris.cpp`:
```
DECLARE__REAL_AND_INTERNAL(int, fork, void) {
// TODO(glider): this may call user's pthread_atfork() handlers which is bad.
return _REAL(fork)();
}
```
which didn't show up in searches for `internal_fork`.
>From what I could learn from `libc` disassembly and the OpenSolaris sources,
>the only way to avoid the handlers on Solaris is to invoke the syscall
>directly. This is highly unportable, however: syscalls are an implemention
>detail that can (and **does**) change. There's reasonable hope that this
>won't happen for the remaining livetime of Solaris 11.4, though.
I'll give such a patch a try...
https://github.com/llvm/llvm-project/pull/75290
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