Async connect doesn't fail on EWSANETDOWN

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/err.hpp b/src/err.hpp
index 6289a08..9558a10 100644
--- a/src/err.hpp
+++ b/src/err.hpp
@@ -49,6 +49,7 @@ namespace zmq
 namespace zmq
 {
     const char *wsa_error ();
+    const char *wsa_error_no (int no_);
     void win_error (char *buffer_, size_t buffer_size_);
     void wsa_error_to_errno (); 
 }
@@ -66,6 +67,17 @@ namespace zmq
         }\
     } while (false)
 
+//  Provides convenient way to assert on WSA-style errors on Windows.
+#define wsa_assert_no(no) \
+    do {\
+        const char *errstr = zmq::wsa_error_no (no);\
+        if (errstr != NULL) {\
+            fprintf (stderr, "Assertion failed: %s (%s:%d)\n", errstr, \
+                __FILE__, __LINE__);\
+            abort ();\
+        }\
+    } while (false)
+
 // Provides convenient way to check GetLastError-style errors on Windows.
 #define win_assert(x) \
     do {\