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linux-user: Support the accept4 socketcall

PATCH In review André Hentschel 4 participants 4 messages Jan 6, 2014 – Jan 7, 2014

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André Hentschel

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PATCH v3 1/1 linux-user: Support the accept4 socketcall

From: André Hentschel <[email protected]>

Cc Riku Voipio <[email protected]>
Signed-off-by André Hentschel <[email protected]>

---
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(+)
linux-user/syscall.c +16 -0
index efd1453..0ac05b8 100644
@@ -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;
linux-user/syscall_defs.h +1 -0
index cf08db5..ae30476 100644
@@ -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
Signature · 1 line
1.8.1.2