From 2fbdb6a514e97125d4c46a84a821e8016774c634 Mon Sep 17 00:00:00 2001
From: Love Hornquist Astrand <lha@h5l.org>
Date: Mon, 25 Jan 2010 23:01:18 -0800
Subject: [PATCH] rewrite socket to rk_socket of there is SOCK_CLOEXEC and
 there is linux, prompted by Harald Barth

---
 lib/roken/roken.h.in |  5 +++++
 lib/roken/socket.c   | 20 ++++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/lib/roken/roken.h.in b/lib/roken/roken.h.in
index 0492db4d6..33918d37b 100644
--- a/lib/roken/roken.h.in
+++ b/lib/roken/roken.h.in
@@ -1033,6 +1033,11 @@ void
 rk_qsort(void *, size_t, size_t, int (*)(const void *, const void *));
 #endif
 
+#if defined(__LINUX__) && SOCK_CLOEXEC && !defined(SOCKET_WRAPPER_REPLACE) 
+#undef socket
+#define socket(_fam,_type,_prot) rk_socket(_fam,_type,_prot)
+#endif
+
 #ifdef SOCKET_WRAPPER_REPLACE
 #include <socket_wrapper.h>
 #endif
diff --git a/lib/roken/socket.c b/lib/roken/socket.c
index bfc4b7102..a19281c13 100644
--- a/lib/roken/socket.c
+++ b/lib/roken/socket.c
@@ -315,3 +315,23 @@ socket_to_fd(rk_socket_t sock, int flags)
     return _open_osfhandle((intptr_t) sock, flags);
 #endif
 }
+
+#ifndef HEIMAL_SMALLER
+
+int rk_socket(int, int, int);
+
+int
+rk_socket(int domain, int type, int protocol)
+{
+    int s;
+    s = socket (domain, type, protocol);
+#ifdef SOCK_CLOEXEC
+    if ((SOCK_CLOEXEC & protocol) && s < 0 && errno == EINVAL) {
+	protocol &= ~SOCK_CLOEXEC;
+	s = socket (domain, type, protocol);
+    }
+#endif
+    return s;
+}
+
+#endif