Add a flag to tell Valgrind to run the forked child natively. Necessary
because Valgrind makes additional system calls to instrumented processes,
which confuse UML.
Signed-off-by: Steve VanDeBogart <[EMAIL PROTECTED]>
---
Index: linux-2.6.27-rc5/arch/um/os-Linux/skas/process.c
===================================================================
--- linux-2.6.27-rc5.orig/arch/um/os-Linux/skas/process.c 2008-08-29
15:50:24.000000000 -0700
+++ linux-2.6.27-rc5/arch/um/os-Linux/skas/process.c 2008-08-29
15:51:45.000000000 -0700
@@ -26,6 +26,7 @@
#include "skas_ptrace.h"
#include "user.h"
#include "sysdep/stub.h"
+#include "valgrind.h"
int is_skas_winch(int pid, int fd, void *data)
{
@@ -297,8 +298,12 @@
flags = CLONE_FILES;
if (proc_mm)
flags |= CLONE_VM;
- else
+ else {
flags |= SIGCHLD;
+#ifdef UML_CONFIG_VALGRIND_SUPPORT
+ flags |= VALGRIND_CLONE_LETGO;
+#endif
+ }
pid = clone(userspace_tramp, (void *) sp, flags, (void *) stub_stack);
if (pid < 0) {
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