fuchsia: Implement SysInfo::AmountOfPhysicalMemory and NumberOfProcessors

base/sys_info_posix.cc

 // 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.
 
 #include "base/sys_info.h"
 
 #include <errno.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <string.h>
@@ skipping 17 matching lines @@
 #include <sys/statvfs.h>
 #endif
 
 #if defined(OS_LINUX)
 #include <linux/magic.h>
 #include <sys/vfs.h>
 #endif
 
 namespace {
 
-#if !defined(OS_OPENBSD)
+#if !defined(OS_OPENBSD) && !defined(OS_FUCHSIA)
 int NumberOfProcessors() {
   // sysconf returns the number of "logical" (not "physical") processors on both
   // Mac and Linux.  So we get the number of max available "logical" processors.
   //
   // Note that the number of "currently online" processors may be fewer than the
   // returned value of NumberOfProcessors(). On some platforms, the kernel may
   // make some processors offline intermittently, to save power when system
   // loading is low.
   //
   // One common use case that needs to know the processor count is to create
@@ skipping 72 matching lines @@
                        ? std::numeric_limits<int64_t>::max()
                        : static_cast<int64_t>(stats.f_blocks) * stats.f_frsize;
   }
   return true;
 }
 
 }  // namespace
 
 namespace base {
 
-#if !defined(OS_OPENBSD)
+#if !defined(OS_OPENBSD) && !defined(OS_FUCHSIA)
 int SysInfo::NumberOfProcessors() {
   return g_lazy_number_of_processors.Get().value();
 }
 #endif
 
 // static
 int64_t SysInfo::AmountOfVirtualMemory() {
   return g_lazy_virtual_memory.Get().value();
 }
 
@@ skipping 82 matching lines @@
   }
   return arch;
 }
 
 // static
 size_t SysInfo::VMAllocationGranularity() {
   return getpagesize();
 }
 
 }  // namespace base