[PATCH 11/11] evio: turn into C

[Vladislav Shpilevoy <v.shpilevoy@tarantool.org>]

Evio now officially can be used from C code.

Needed for #3234
---
 src/CMakeLists.txt      | 2 +-
 src/{evio.cc => evio.c} | 0
 src/evio.h              | 9 +++++++++
 3 files changed, 10 insertions(+), 1 deletion(-)
 rename src/{evio.cc => evio.c} (100%)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 77353b244..58031d671 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -89,7 +89,7 @@ set (core_sources
      fiber_channel.c
      latch.c
      sio.c
-     evio.cc
+     evio.c
      coio.cc
      coio_task.c
      coio_file.c
diff --git a/src/evio.cc b/src/evio.c
similarity index 100%
rename from src/evio.cc
rename to src/evio.c
diff --git a/src/evio.h b/src/evio.h
index 1446a5617..574c1f807 100644
--- a/src/evio.h
+++ b/src/evio.h
@@ -38,6 +38,11 @@
 #include "tarantool_ev.h"
 #include "sio.h"
 #include "uri.h"
+
+#if defined(__cplusplus)
+extern "C" {
+#endif /* defined(__cplusplus) */
+
 /**
  * A way to add a socket to the event loop.
  *
@@ -150,4 +155,8 @@ evio_timeout_update(ev_loop *loop, ev_tstamp start, ev_tstamp *delay)
 int
 evio_setsockopt_client(int fd, int family, int type);
 
+#if defined(__cplusplus)
+} /* extern "C" */
+#endif /* defined(__cplusplus) */
+
 #endif /* TARANTOOL_EVIO_H_INCLUDED */
-- 
2.17.2 (Apple Git-113)