[PATCH] D45636: Make InterruptHandler non-blocking for Fuchsia

[Aaron Green via Phabricator via llvm-commits]

aarongreen updated this revision to Diff 143021.
aarongreen added a comment.

I believe this should be the squashed diff phosek requested.


https://reviews.llvm.org/D45636

Files:
  lib/fuzzer/FuzzerUtilFuchsia.cpp


Index: lib/fuzzer/FuzzerUtilFuchsia.cpp
===================================================================
--- lib/fuzzer/FuzzerUtilFuchsia.cpp
+++ lib/fuzzer/FuzzerUtilFuchsia.cpp
@@ -45,8 +45,13 @@
 }
 
 void InterruptHandler() {
+  fd_set readfds;
   // Ctrl-C sends ETX in Zircon.
-  while (getchar() != 0x03);
+  do {
+    FD_ZERO(&readfds);
+    FD_SET(STDIN_FILENO, &readfds);
+    select(STDIN_FILENO + 1, &readfds, nullptr, nullptr, nullptr);
+  } while(!FD_ISSET(STDIN_FILENO, &readfds) || getchar() != 0x03);
   Fuzzer::StaticInterruptCallback();
 }
 


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