From: Yunqiang Su <ysu@wavecomp.com>

Add support for SO_REUSEPORT, including strace support. SO_REUSEPORT
was introduced relatively recently, since Linux 3.9, so use
'#if defined SO_REUSEPORT'.

Signed-off-by: Yunqiang Su <ysu@wavecomp.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
---
 linux-user/strace.c  |  3 +++
 linux-user/syscall.c | 10 ++++++++++
 2 files changed, 13 insertions(+)

diff --git a/linux-user/strace.c b/linux-user/strace.c
index 33f4a50..d1d1494 100644
--- a/linux-user/strace.c
+++ b/linux-user/strace.c
@@ -1742,6 +1742,9 @@ print_optint:
         case TARGET_SO_REUSEADDR:
             gemu_log("SO_REUSEADDR,");
             goto print_optint;
+        case TARGET_SO_REUSEPORT:
+            gemu_log("SO_REUSEPORT,");
+            goto print_optint;
         case TARGET_SO_TYPE:
             gemu_log("SO_TYPE,");
             goto print_optint;
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 4b00b72..0e9dcfe 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -2057,6 +2057,11 @@ set_timeout:
         case TARGET_SO_REUSEADDR:
 		optname = SO_REUSEADDR;
 		break;
+#ifdef SO_REUSEPORT
+        case TARGET_SO_REUSEPORT:
+                optname = SO_REUSEPORT;
+                break;
+#endif
         case TARGET_SO_TYPE:
 		optname = SO_TYPE;
 		break;
@@ -2218,6 +2223,11 @@ static abi_long do_getsockopt(int sockfd, int level, int optname,
         case TARGET_SO_REUSEADDR:
             optname = SO_REUSEADDR;
             goto int_case;
+#ifdef SO_REUSEPORT
+        case TARGET_SO_REUSEPORT:
+            optname = SO_REUSEPORT;
+            goto int_case;
+#endif
         case TARGET_SO_TYPE:
             optname = SO_TYPE;
             goto int_case;
-- 
2.7.4