1 files changed, 43 insertions, 0 deletions
diff --git a/src/include/sock_compat.h b/src/include/sock_compat.h
new file mode 100644
index 000000000..14b5efa1d
--- /dev/null
+++ b/src/include/sock_compat.h
@@ -0,0 +1,43 @@
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2018 Red Hat, Inc.
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ */
+
+#ifndef CEPH_SOCK_COMPAT_H
+#define CEPH_SOCK_COMPAT_H
+
+#include "include/compat.h"
+#include <sys/socket.h>
+
+/*
+ * This optimization may not be available on all platforms (e.g. OSX).
+ * Apparently a similar approach based on TCP_CORK can be used.
+ */
+#ifndef MSG_MORE
+# define MSG_MORE 0
+#endif
+
+/*
+ * On BSD SO_NOSIGPIPE can be set via setsockopt to block SIGPIPE.
+ */
+#ifndef MSG_NOSIGNAL
+# define MSG_NOSIGNAL 0
+# ifdef SO_NOSIGPIPE
+#  define CEPH_USE_SO_NOSIGPIPE
+# else
+#  define CEPH_USE_SIGPIPE_BLOCKER
+#  warning "Using SIGPIPE blocking instead of suppression; this is not well-tested upstream!"
+# endif
+#endif
+
+int socket_cloexec(int domain, int type, int protocol);
+int socketpair_cloexec(int domain, int type, int protocol, int sv[2]);
+int accept_cloexec(int sockfd, struct sockaddr* addr, socklen_t* addrlen);
+
+#endif