commit 8d5d30046b9aadfeee60e09fe79c063f419993db
author Andreas Schwab <schwab@suse.de> Fri Mar 07 15:24:08 2014 +0100
committer Riku Voipio <riku.voipio@linaro.org> Mon Mar 17 11:44:31 2014 +0200
tree ec1c8501c5da80e7c355d2793f6bdf9c1babdba0
parent 3b899ea7d405dc7634ac629aa7b0e7639d506d9f

linux-user: implement F_[GS]ETOWN_EX

F_GETOWN is replaced by F_GETOWN_EX inside the glibc fcntl wrapper

Signed-off-by: Andreas Schwab <schwab@suse.de>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>

linux-user/syscall.c

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index b5eadb1..b8086b8 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -4421,6 +4421,14 @@
 #endif
         case TARGET_F_NOTIFY:
             return F_NOTIFY;
+#ifdef F_GETOWN_EX
+	case TARGET_F_GETOWN_EX:
+	    return F_GETOWN_EX;
+#endif
+#ifdef F_SETOWN_EX
+	case TARGET_F_SETOWN_EX:
+	    return F_SETOWN_EX;
+#endif
 	default:
             return -TARGET_EINVAL;
     }
@@ -4443,6 +4451,10 @@
     struct target_flock *target_fl;
     struct flock64 fl64;
     struct target_flock64 *target_fl64;
+#ifdef F_GETOWN_EX
+    struct f_owner_ex fox;
+    struct target_f_owner_ex *target_fox;
+#endif
     abi_long ret;
     int host_cmd = target_to_host_fcntl_cmd(cmd);
 
@@ -4536,6 +4548,30 @@
         ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
         break;
 
+#ifdef F_GETOWN_EX
+    case TARGET_F_GETOWN_EX:
+        ret = get_errno(fcntl(fd, host_cmd, &fox));
+        if (ret >= 0) {
+            if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0))
+                return -TARGET_EFAULT;
+            target_fox->type = tswap32(fox.type);
+            target_fox->pid = tswap32(fox.pid);
+            unlock_user_struct(target_fox, arg, 1);
+        }
+        break;
+#endif
+
+#ifdef F_SETOWN_EX
+    case TARGET_F_SETOWN_EX:
+        if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1))
+            return -TARGET_EFAULT;
+        fox.type = tswap32(target_fox->type);
+        fox.pid = tswap32(target_fox->pid);
+        unlock_user_struct(target_fox, arg, 0);
+        ret = get_errno(fcntl(fd, host_cmd, &fox));
+        break;
+#endif
+
     case TARGET_F_SETOWN:
     case TARGET_F_GETOWN:
     case TARGET_F_SETSIG: