From c96e529e3b6d0efa504985bf5a6db1ac5e958fdf Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Mon, 25 Feb 2019 19:07:48 +0000
Subject: Vendor import of lldb release_80 branch r354799:
 https://llvm.org/svn/llvm-project/lldb/branches/release_80@354799

---
 source/Host/common/MainLoop.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'source/Host/common/MainLoop.cpp')

diff --git a/source/Host/common/MainLoop.cpp b/source/Host/common/MainLoop.cpp
index 39c353e6717e..337ddd51dd6b 100644
--- a/source/Host/common/MainLoop.cpp
+++ b/source/Host/common/MainLoop.cpp
@@ -108,8 +108,14 @@ Status MainLoop::RunImpl::Poll() {
   num_events = kevent(loop.m_kqueue, in_events.data(), in_events.size(),
                       out_events, llvm::array_lengthof(out_events), nullptr);
 
-  if (num_events < 0)
-    return Status("kevent() failed with error %d\n", num_events);
+  if (num_events < 0) {
+    if (errno == EINTR) {
+      // in case of EINTR, let the main loop run one iteration
+      // we need to zero num_events to avoid assertions failing
+      num_events = 0;
+    } else
+      return Status(errno, eErrorTypePOSIX);
+  }
   return Status();
 }
 
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