[llvm] [llvm-exegesis] Kill process that recieve a signal (PR #86069)

[Aiden Grossman via llvm-commits]

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@@ -342,7 +342,7 @@ class SubProcessFunctionExecutorImpl
       return make_error<Failure>("Failed to attach to the child process: " +
                                  Twine(strerror(errno)));
 
-    if (wait(NULL) == -1) {
+    if (waitpid(ParentOrChildPID, NULL, 0) == -1) {
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boomanaiden154 wrote:

See https://github.com/llvm/llvm-project/pull/86232.

https://github.com/llvm/llvm-project/pull/86069