[PATCH] D53000: [Support] exit with custom return code for SIGPIPE

[Nick Desaulniers via Phabricator via llvm-commits]

nickdesaulniers updated this revision to Diff 168729.
nickdesaulniers added a comment.

- prefer EX_IOERR from sysexits.h


Repository:
  rL LLVM

https://reviews.llvm.org/D53000

Files:
  lib/Support/Unix/Signals.inc


Index: lib/Support/Unix/Signals.inc
===================================================================
--- lib/Support/Unix/Signals.inc
+++ lib/Support/Unix/Signals.inc
@@ -47,6 +47,7 @@
 #include "llvm/Support/raw_ostream.h"
 #include <algorithm>
 #include <string>
+#include <sysexits.h>
 #ifdef HAVE_BACKTRACE
 # include BACKTRACE_HEADER         // For backtrace().
 #endif
@@ -334,6 +335,10 @@
       if (auto OldInterruptFunction = InterruptFunction.exchange(nullptr))
         return OldInterruptFunction();
 
+      // Send a special return code that drivers can check for, from sysexits.h.
+      if (Sig == SIGPIPE)
+        exit(EX_IOERR);
+
       raise(Sig);   // Execute the default handler.
       return;
    }


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