Index: sandbox/linux/services/scoped_process.h |
diff --git a/sandbox/linux/services/scoped_process.h b/sandbox/linux/services/scoped_process.h |
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index 0000000000000000000000000000000000000000..a28131ee67d6b123b223a2ca86b0ed49c985c3b0 |
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+++ b/sandbox/linux/services/scoped_process.h |
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+// 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_SCOPED_PROCESS_H_ |
+#define SANDBOX_LINUX_SERVICES_SCOPED_PROCESS_H_ |
+ |
+#include "base/basictypes.h" |
+#include "base/callback_forward.h" |
+#include "base/process/process_handle.h" |
+#include "sandbox/sandbox_export.h" |
+ |
+namespace sandbox { |
+ |
+// fork() a child process that will run a Closure. |
+// After the Closure has run, the child will pause forever. If this object |
+// is detroyed, the child will be destroyed, even if the closure did not |
+// finish running. It's ok to signal the child from outside of this class to |
+// destroy it. |
+// This class cannot be instanciated from a multi-threaded process, as it needs |
+// to fork(). |
+class SANDBOX_EXPORT ScopedProcess { |
+ public: |
+ // A new process will be created and |child_callback| will run in the child |
+ // process. This callback is allowed to terminate the process or to simply |
+ // return. If the callback returns, the process will wait forever. |
+ explicit ScopedProcess(const base::Closure& child_callback); |
+ ~ScopedProcess(); |
+ |
+ // Wait for the process to exit. |
+ // |got_signaled| tells how to interpret the return value: either as an exit |
+ // code, or as a signal number. |
+ // When this returns, the process will still not have been reaped and will |
+ // survive as a zombie for the lifetime of this object. This method can be |
+ // called multiple times. |
+ int WaitForExit(bool* got_signaled); |
+ |
+ // Wait for the |child_callback| passed at construction to run. Return false |
+ // if |child_callback| did not finish running and we know it never will (for |
+ // instance the child crashed or used _exit()). |
+ bool WaitForClosureToRun(); |
+ base::ProcessId GetPid() { return child_process_id_; } |
+ |
+ private: |
+ bool IsOriginalProcess(); |
+ |
+ base::ProcessId child_process_id_; |
+ base::ProcessId process_id_; |
+ int pipe_fds_[2]; |
+ DISALLOW_COPY_AND_ASSIGN(ScopedProcess); |
+}; |
+ |
+} // namespace sandbox |
+ |
+#endif // SANDBOX_LINUX_SERVICES_SCOPED_PROCESS_H_ |