openbsd and freebsd fixes for base

base/process_util.h

 // Copyright (c) 2011 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
 
 #include "base/basictypes.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <tlhelp32.h>
-#elif defined(OS_MACOSX)
+#elif defined(OS_MACOSX) || defined(OS_OPENBSD)
 // kinfo_proc is defined in <sys/sysctl.h>, but this forward declaration
 // is sufficient for the vector<kinfo_proc> below.
 struct kinfo_proc;
 // malloc_zone_t is defined in <malloc/malloc.h>, but this forward declaration
 // is sufficient for GetPurgeableZone() below.
 typedef struct _malloc_zone_t malloc_zone_t;
+#if !defined(OS_OPENBSD)
 #include <mach/mach.h>
+#endif
 #elif defined(OS_POSIX)
 #include <dirent.h>
 #include <limits.h>
 #include <sys/types.h>
 #endif
 
 #include <list>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 484 matching lines @@
   // that process's info if there is one, false otherwise.
   bool CheckForNextProcess();
 
   // Initializes a PROCESSENTRY32 data structure so that it's ready for
   // use with Process32First/Process32Next.
   void InitProcessEntry(ProcessEntry* entry);
 
 #if defined(OS_WIN)
   HANDLE snapshot_;
   bool started_iteration_;
-#elif defined(OS_MACOSX)
+#elif defined(OS_MACOSX) || defined(OS_OPENBSD)
   std::vector<kinfo_proc> kinfo_procs_;
   size_t index_of_kinfo_proc_;
 #elif defined(OS_POSIX)
   DIR *procfs_dir_;
 #endif
   ProcessEntry entry_;
   const ProcessFilter* filter_;
 
   DISALLOW_COPY_AND_ASSIGN(ProcessIterator);
 };
@@ skipping 232 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_