[PATCH] uml: move libc-dependent code from trap_user.c

The serial UML OS-abstraction layer patch (um/kernel dir).

This moves all systemcalls from trap_user.c file under os-Linux dir

Signed-off-by: Gennady Sharapov <Gennady.V.Sharapov@intel.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/arch/um/os-Linux/tt.c b/arch/um/os-Linux/tt.c
index 37828e5b352..cb2648b79d0 100644
--- a/arch/um/os-Linux/tt.c
+++ b/arch/um/os-Linux/tt.c
@@ -49,6 +49,20 @@ int protect_memory(unsigned long addr, unsigned long len, int r, int w, int x,
         return(0);
 }
 
+void kill_child_dead(int pid)
+{
+        kill(pid, SIGKILL);
+        kill(pid, SIGCONT);
+        do {
+                int n;
+                CATCH_EINTR(n = waitpid(pid, NULL, 0));
+                if (n > 0)
+                        kill(pid, SIGCONT);
+                else
+                        break;
+        } while(1);
+}
+
 /*
  *-------------------------
  * only for tt mode (will be deleted in future...)