From: Yedidya Feldblum <yfeldblum@fb.com>
Date: Thu, 19 Oct 2017 18:37:54 +0000 (-0700)
Subject: Fix fibers build on older boost
X-Git-Tag: v2017.10.23.00~12
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=folly.git;a=commitdiff_plain;h=70d3004b2507a4e93ad0ca11e77d9dd2f2c620b8

Fix fibers build on older boost

Summary:
[Folly] Fix `folly/fibers/` build on older boost.

Where `jump_fcontext` takes `intptr_t` rather than an actual pointer, and we warn about implicit conversions from pointers to integral types.

Reviewed By: Orvid

Differential Revision: D6098230

fbshipit-source-id: 61bd7bdff5de728d3febe8b35c97d024ab6f236a
---

diff --git a/folly/fibers/BoostContextCompatibility.h b/folly/fibers/BoostContextCompatibility.h
index 2f6cc127..5531684a 100644
--- a/folly/fibers/BoostContextCompatibility.h
+++ b/folly/fibers/BoostContextCompatibility.h
@@ -106,9 +106,9 @@ class FiberImpl {
         boost::context::jump_fcontext(&fiberContext_, mainContext_, 0);
 #elif BOOST_VERSION >= 105200
     auto context =
-        boost::context::jump_fcontext(fiberContext_, &mainContext_, nullptr);
+        boost::context::jump_fcontext(fiberContext_, &mainContext_, 0);
 #else
-    auto context = jump_fcontext(&fiberContext_, &mainContext_, nullptr);
+    auto context = jump_fcontext(&fiberContext_, &mainContext_, 0);
 #endif
     DCHECK_EQ(this, reinterpret_cast<FiberImpl*>(context));
   }