From 994a4b7dccabb706c9dca2cd43c37e87f2cfe665 Mon Sep 17 00:00:00 2001
From: Corinna Vinschen <corinna@vinschen.de>
Date: Wed, 8 Mar 2017 17:43:23 +0100
Subject: [PATCH] Cygwin: Emit correct errno EAGAIN if we can't create another
 thread

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
---
 winsup/cygwin/miscfuncs.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/winsup/cygwin/miscfuncs.cc b/winsup/cygwin/miscfuncs.cc
index 6dbe462b2..2117eb978 100644
--- a/winsup/cygwin/miscfuncs.cc
+++ b/winsup/cygwin/miscfuncs.cc
@@ -549,6 +549,8 @@ public:
     /* If we got an address, remember it for the next allocation attempt. */
     if (real_stackaddr)
       current = (UINT_PTR) real_stackaddr;
+    else
+      set_errno (EAGAIN);
     return real_stackaddr;
   }
 };