[libc-commits] [libc] [libc] Enabling code coverage via Linux syscalls (PR #213271)

[Michael Jones via libc-commits]

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@@ -75,8 +96,26 @@ ProcessStatus invoke_in_subprocess(FunctionCaller *func, int timeout_ms) {
   }
 
   if (!pid) {
+#ifdef LIBC_FULL_BUILD
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michaelrj-google wrote:

there should be a compile flag to track if coverage is enabled or not, and we should check that before registering these signal handlers. It looks like the code would work as-is, but it seems like unnecessary overhead to constantly enable/disable the signal handlers.

https://github.com/llvm/llvm-project/pull/213271