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* [Qemu-devel] [PATCH v3] linux-user: Support the accept4 socketcall
@ 2014-01-06 19:18 André Hentschel
  2014-01-06 20:22 ` Peter Maydell
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: André Hentschel @ 2014-01-06 19:18 UTC (permalink / raw)
  To: QEMU Developers; +Cc: Riku Voipio

From: André Hentschel <nerv@dawncrow.de>
Cc: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: André Hentschel <nerv@dawncrow.de>
---
See https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/net.h for the value.

 linux-user/syscall.c      | 16 ++++++++++++++++
 linux-user/syscall_defs.h |  1 +
 2 files changed, 17 insertions(+)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index efd1453..0ac05b8 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -2245,6 +2245,22 @@ static abi_long do_socketcall(int num, abi_ulong vptr)
             ret = do_accept4(sockfd, target_addr, target_addrlen, 0);
         }
         break;
+    case SOCKOP_accept4:
+        {
+            abi_ulong sockfd;
+            abi_ulong target_addr, target_addrlen;
+            abi_ulong flags;
+
+            if (get_user_ual(sockfd, vptr)
+                || get_user_ual(target_addr, vptr + n)
+                || get_user_ual(target_addrlen, vptr + 2 * n)
+                || get_user_ual(flags, vptr + 3 * n)) {
+                return -TARGET_EFAULT;
+            }
+
+            ret = do_accept4(sockfd, target_addr, target_addrlen, flags);
+        }
+        break;
     case SOCKOP_getsockname:
         {
             abi_ulong sockfd;
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index cf08db5..ae30476 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -27,6 +27,7 @@
 #define SOCKOP_getsockopt       15
 #define SOCKOP_sendmsg          16
 #define SOCKOP_recvmsg          17
+#define SOCKOP_accept4          18
 
 #define IPCOP_semop		1
 #define IPCOP_semget		2
-- 
1.8.1.2

^ permalink raw reply related	[flat|nested] 4+ messages in thread
end of thread, other threads:[~2014-01-07 19:36 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2014-01-06 19:18 [Qemu-devel] [PATCH v3] linux-user: Support the accept4 socketcall André Hentschel
2014-01-06 20:22 ` Peter Maydell
2014-01-06 20:48 ` Erik de Castro Lopo
2014-01-07 19:36 ` Laurent Vivier

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