[Qemu-devel] [PATCH v4 1/7] qemu-char: Add MSG_CMSG_CLOEXEC flag to recvmsg

[Corey Bryant <coreyb@linux.vnet.ibm.com>]

This sets the close-on-exec flag for the file descriptor received
via SCM_RIGHTS.

Signed-off-by: Corey Bryant <coreyb@linux.vnet.ibm.com>
---
v4
 -This patch is new in v4 (eblake@redhat.com)

 qemu-char.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qemu-char.c b/qemu-char.c
index c2aaaee..f890113 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -2263,7 +2263,7 @@ static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len)
     msg.msg_control = &msg_control;
     msg.msg_controllen = sizeof(msg_control);
 
-    ret = recvmsg(s->fd, &msg, 0);
+    ret = recvmsg(s->fd, &msg, MSG_CMSG_CLOEXEC);
     if (ret > 0 && s->is_unix)
         unix_process_msgfd(chr, &msg);
 
-- 
1.7.10.2