From f56dcd1505ea90947cd3cece1ac3ef3dcf418e21 Mon Sep 17 00:00:00 2001
From: def <dennis@felsin9.de>
Date: Sun, 4 Jan 2015 23:06:48 +0100
Subject: [PATCH] Handle interrupt on epoll_wait graciously (allows strace to
 work)

---
 lib/pure/selectors.nim | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/pure/selectors.nim b/lib/pure/selectors.nim
index b796dca7a9..f17c6d3174 100644
--- a/lib/pure/selectors.nim
+++ b/lib/pure/selectors.nim
@@ -146,7 +146,11 @@ elif defined(linux):
     ## on the ``fd``.
     result = @[]
     let evNum = epoll_wait(s.epollFD, addr s.events[0], 64.cint, timeout.cint)
-    if evNum < 0: raiseOSError(osLastError())
+    if evNum < 0:
+      let err = osLastError()
+      if err.cint == EINTR:
+        return @[]
+      raiseOSError(osLastError())
     if evNum == 0: return @[]
     for i in 0 .. <evNum:
       let fd = s.events[i].data.fd.SocketHandle