[Qemu-devel] [PATCH 2/3] linux-user: add SO_LINGER to setsockopt

["Carlo Marcelo Arenas Belón" <carenas@gmail.com>]

Original implementation by Chen Gang; all bugs mine

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
---
 linux-user/syscall.c      | 15 +++++++++++++++
 linux-user/syscall_defs.h |  5 +++++
 2 files changed, 20 insertions(+)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 9b6364a266..ad689dad50 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -3071,6 +3071,21 @@ set_timeout:
 		unlock_user (dev_ifname, optval_addr, 0);
 		return ret;
 	}
+        case TARGET_SO_LINGER:
+        {
+                struct linger lg;
+                struct target_linger *tlg;
+
+                if (!lock_user_struct(VERIFY_READ, tlg, optval_addr, 1)) {
+                    return -TARGET_EFAULT;
+                }
+                __get_user(lg.l_onoff, &tlg->l_onoff);
+                __get_user(lg.l_linger, &tlg->l_linger);
+                ret = get_errno(setsockopt(sockfd, SOL_SOCKET, SO_LINGER,
+                                &lg, optlen));
+                unlock_user_struct(tlg, optval_addr, 0);
+                return ret;
+        }
             /* Options with 'int' argument.  */
         case TARGET_SO_DEBUG:
 		optname = SO_DEBUG;
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 40c5027e93..a60d6bb163 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -202,6 +202,11 @@ struct target_ip_mreq_source {
     uint32_t imr_sourceaddr;
 };
 
+struct target_linger {
+    abi_int l_onoff;        /* Linger active                */
+    abi_int l_linger;       /* How long to linger for       */
+};
+
 struct target_timeval {
     abi_long tv_sec;
     abi_long tv_usec;
-- 
2.14.1