[libc-commits] [libc] [llvm] [libc][CndVar] reimplmement conditional variable with FIFO ordering (PR #192748)

[Schrodinger ZHU Yifan via libc-commits]

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@@ -18,8 +19,8 @@ namespace LIBC_NAMESPACE_DECL {
 static_assert(sizeof(CndVar) == sizeof(cnd_t));
 
 LLVM_LIBC_FUNCTION(int, cnd_init, (cnd_t * cond)) {
-  CndVar *cndvar = reinterpret_cast<CndVar *>(cond);
-  return CndVar::init(cndvar) ? thrd_error : thrd_success;
+  new (cond) CndVar(false);
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SchrodingerZhu wrote:

see also https://github.com/llvm/llvm-project/issues/193139

https://github.com/llvm/llvm-project/pull/192748