[PATCH] D98830: [libsupport] Silence a bogus valgrind warning.

[Chris Lattner via Phabricator via llvm-commits]

lattner updated this revision to Diff 331427.
lattner edited the summary of this revision.
lattner added a comment.

Commit message; seriously


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D98830/new/

https://reviews.llvm.org/D98830

Files:
  llvm/lib/Support/Unix/Process.inc


Index: llvm/lib/Support/Unix/Process.inc
===================================================================
--- llvm/lib/Support/Unix/Process.inc
+++ llvm/lib/Support/Unix/Process.inc
@@ -236,11 +236,11 @@
 
 std::error_code Process::SafelyCloseFileDescriptor(int FD) {
   // Create a signal set filled with *all* signals.
-  sigset_t FullSet;
-  if (sigfillset(&FullSet) < 0)
+  sigset_t FullSet, SavedSet;
+  if (sigfillset(&FullSet) < 0 || sigfillset(&SavedSet) < 0)
     return std::error_code(errno, std::generic_category());
+
   // Atomically swap our current signal mask with a full mask.
-  sigset_t SavedSet;
 #if LLVM_ENABLE_THREADS
   if (int EC = pthread_sigmask(SIG_SETMASK, &FullSet, &SavedSet))
     return std::error_code(EC, std::generic_category());


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