Index: sandbox/linux/seccomp-bpf/kernel_return_value_helpers.h |
diff --git a/sandbox/linux/seccomp-bpf/kernel_return_value_helpers.h b/sandbox/linux/seccomp-bpf/kernel_return_value_helpers.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..8ba03115ba7ba3ef6a11a1aeab09086809fcdd98 |
--- /dev/null |
+++ b/sandbox/linux/seccomp-bpf/kernel_return_value_helpers.h |
@@ -0,0 +1,23 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef SANDBOX_LINUX_SERVICES_KERNEL_RETURN_VALUE_HELPERS_H__ |
+#define SANDBOX_LINUX_SERVICES_KERNEL_RETURN_VALUE_HELPERS_H__ |
+ |
+#include <signal.h> |
+#include <stdint.h> |
+ |
+namespace sandbox { |
+ |
+// Convert |errno| to the value returned by the kernel when it wants to return |
+// |errno| to userland after a system call. |
+int ErrnoToKernelRet(int errno_val); |
jln (very slow on Chromium)
2014/06/13 02:47:36
Let's keep the interface of trap handlers as retur
nedeljko
2014/06/18 13:41:00
Done.
|
+ |
+// Set the registers in |ctx| to match what they would be after a system call |
+// returning |ret_val|. |
jln (very slow on Chromium)
2014/06/13 02:47:36
Let's add: |ret_val| must must follow the SandboxS
nedeljko
2014/06/18 13:41:00
Done.
|
+void PutValueInUcontext(intptr_t ret_val, ucontext_t* ctx); |
+ |
+} // namespace sandbox |
+ |
+#endif // SANDBOX_LINUX_SERVICES_KERNEL_RETURN_VALUE_HELPERS_H__ |