Fix libFuzzer not building with pthreads on Windows (llvm#109525)

Zentrik · web-flow · commit b4130bee6bfd · 2024-09-24T23:33:57.000+03:00
Fixes llvm#106871
diff --git a/compiler-rt/lib/fuzzer/FuzzerUtilWindows.cpp b/compiler-rt/lib/fuzzer/FuzzerUtilWindows.cpp
@@ -239,6 +239,10 @@ size_t PageSize() {
 }
 
 void SetThreadName(std::thread &thread, const std::string &name) {
+#if defined(_LIBCPP_HAS_THREAD_API_PTHREAD) ||                                 \
+    defined(_GLIBCXX_GCC_GTHR_POSIX_H)
+  (void)pthread_setname_np(thread.native_handle(), name.c_str());
+#else
   typedef HRESULT(WINAPI * proc)(HANDLE, PCWSTR);
   HMODULE kbase = GetModuleHandleA("KernelBase.dll");
   proc ThreadNameProc = reinterpret_cast<proc>(
@@ -253,6 +257,7 @@ void SetThreadName(std::thread &thread, const std::string &name) {
       }
     }
   }
+#endif
 }
 
 } // namespace fuzzer

Original file line number	Diff line number	Diff line change
`@@ -239,6 +239,10 @@ size_t PageSize() {`
`239`	`239`	`}`
`240`	`240`
`241`	`241`	`void SetThreadName(std::thread &thread, const std::string &name) {`
	`242`	`+#if defined(_LIBCPP_HAS_THREAD_API_PTHREAD) \|\| \`
	`243`	`+ defined(_GLIBCXX_GCC_GTHR_POSIX_H)`
	`244`	`+ (void)pthread_setname_np(thread.native_handle(), name.c_str());`
	`245`	`+#else`
`242`	`246`	`typedef HRESULT(WINAPI * proc)(HANDLE, PCWSTR);`
`243`	`247`	`HMODULE kbase = GetModuleHandleA("KernelBase.dll");`
`244`	`248`	`proc ThreadNameProc = reinterpret_cast<proc>(`
`@@ -253,6 +257,7 @@ void SetThreadName(std::thread &thread, const std::string &name) {`
`253`	`257`	`}`
`254`	`258`	`}`
`255`	`259`	`}`
	`260`	`+#endif`
`256`	`261`	`}`
`257`	`262`
`258`	`263`	`} // namespace fuzzer`