Cleanup orphaned testserver processes on posix.

base/process_util.h

 // Copyright (c) 2010 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.
 
 // This file/namespace contains utility functions for enumerating, ending and
 // computing statistics of processes.
 
 #ifndef BASE_PROCESS_UTIL_H_
 #define BASE_PROCESS_UTIL_H_
 #pragma once
@@ skipping 208 matching lines @@
                bool wait, ProcessHandle* process_handle);
 
 // Similar to the above, but also (un)set environment variables in child process
 // through |environ|.
 typedef std::vector<std::pair<std::string, std::string> > environment_vector;
 bool LaunchApp(const std::vector<std::string>& argv,
                const environment_vector& environ,
                const file_handle_mapping_vector& fds_to_remap,
                bool wait, ProcessHandle* process_handle);
 
+// Similar to the above two methods, but starts the child process in a process
+// group of its own, instead of allowing it to inherit the parent's process
+// group. The pgid of the child process will be the same as its pid.
+bool LaunchAppInNewProcessGroup(const std::vector<std::string>& argv,
+                                const environment_vector& environ,
+                                const file_handle_mapping_vector& fds_to_remap,
+                                bool wait, ProcessHandle* process_handle);
+
 // AlterEnvironment returns a modified environment vector, constructed from the
 // given environment and the list of changes given in |changes|. Each key in
 // the environment is matched against the first element of the pairs. In the
 // event of a match, the value is replaced by the second of the pair, unless
 // the second is empty, in which case the key-value is removed.
 //
 // The returned array is allocated using new[] and must be freed by the caller.
 char** AlterEnvironment(const environment_vector& changes,
                         const char* const* const env);
 #endif  // defined(OS_POSIX)
@@ skipping 30 matching lines @@
 
 // Returns the number of processes on the machine that are running from the
 // given executable name.  If filter is non-null, then only processes selected
 // by the filter will be counted.
 int GetProcessCount(const std::wstring& executable_name,
                     const ProcessFilter* filter);
 
 // Attempts to kill all the processes on the current machine that were launched
 // from the given executable name, ending them with the given exit code.  If
 // filter is non-null, then only processes selected by the filter are killed.
-// Returns false if all processes were able to be killed off, false if at least
+// Returns true if all processes were able to be killed off, false if at least
 // one couldn't be killed.
 bool KillProcesses(const std::wstring& executable_name, int exit_code,
                    const ProcessFilter* filter);
 
 // Attempts to kill the process identified by the given process
 // entry structure, giving it the specified exit code. If |wait| is true, wait
 // for the process to be actually terminated before returning.
 // Returns true if this is successful, false otherwise.
 bool KillProcess(ProcessHandle process, int exit_code, bool wait);
+
+#if defined(OS_POSIX)
+// Attempts to kill the process group identified by |process_group_id|. Returns
+// true on success.
+bool KillProcessGroup(ProcessHandle process_group_id);
+#endif
+
 #if defined(OS_WIN)
 bool KillProcessById(ProcessId process_id, int exit_code, bool wait);
 #endif
 
 // Get the termination status (exit code) of the process and return true if the
 // status indicates the process crashed. |child_exited| is set to true iff the
 // child process has terminated. (|child_exited| may be NULL.)
 bool DidProcessCrash(bool* child_exited, ProcessHandle handle);
 
 // Waits for process to exit. In POSIX systems, if the process hasn't been
@@ skipping 306 matching lines @@
 // instance running inside the parent.  The parent's Breakpad instance should
 // not handle the child's exceptions.  Calling RestoreDefaultExceptionHandler
 // in the child after forking will restore the standard exception handler.
 // See http://crbug.com/20371/ for more details.
 void RestoreDefaultExceptionHandler();
 #endif  // defined(OS_MACOSX)
 
 }  // namespace base
 
 #endif  // BASE_PROCESS_UTIL_H_