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[Qemu-devel] [4626] Implement waitid syscall.


From: Paul Brook
Subject: [Qemu-devel] [4626] Implement waitid syscall.
Date: Fri, 30 May 2008 18:20:06 +0000

Revision: 4626
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4626
Author:   pbrook
Date:     2008-05-30 18:20:05 +0000 (Fri, 30 May 2008)

Log Message:
-----------
Implement waitid syscall.

Modified Paths:
--------------
    trunk/linux-user/syscall.c

Modified: trunk/linux-user/syscall.c
===================================================================
--- trunk/linux-user/syscall.c  2008-05-30 18:05:19 UTC (rev 4625)
+++ trunk/linux-user/syscall.c  2008-05-30 18:20:05 UTC (rev 4626)
@@ -3169,6 +3169,21 @@
         }
         break;
 #endif
+#ifdef TARGET_NR_waitid
+    case TARGET_NR_waitid:
+        {
+            siginfo_t info;
+            info.si_pid = 0;
+            ret = get_errno(waitid(arg1, arg2, &info, arg4));
+            if (!is_error(ret) && arg3 && info.si_pid != 0) {
+                if (!(p = lock_user(VERIFY_WRITE, arg3, 
sizeof(target_siginfo_t), 0)))
+                    goto efault;
+                host_to_target_siginfo(p, &info);
+                unlock_user(p, arg3, sizeof(target_siginfo_t));
+            }
+        }
+        break;
+#endif
 #ifdef TARGET_NR_creat /* not on alpha */
     case TARGET_NR_creat:
         if (!(p = lock_user_string(arg1)))






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