1 files changed, 158 insertions, 0 deletions
diff --git a/ipc/chromium/src/base/sys_info_posix.cc b/ipc/chromium/src/base/sys_info_posix.cc
new file mode 100644
index 000000000..81ec78053
--- /dev/null
+++ b/ipc/chromium/src/base/sys_info_posix.cc
@@ -0,0 +1,158 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+// Copyright (c) 2008 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 "base/basictypes.h"
+
+#include <errno.h>
+#include <string.h>
+#ifndef ANDROID
+#include <sys/statvfs.h>
+#endif
+#include <sys/utsname.h>
+#include <unistd.h>
+
+#if defined(OS_MACOSX)
+#include <mach/mach_host.h>
+#include <mach/mach_init.h>
+#endif
+
+#if defined(OS_NETBSD)
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#endif
+
+#include "base/logging.h"
+#include "base/string_util.h"
+
+namespace base {
+
+int SysInfo::NumberOfProcessors() {
+  // It seems that sysconf returns the number of "logical" processors on both
+  // mac and linux.  So we get the number of "online logical" processors.
+#ifdef _SC_NPROCESSORS_ONLN
+  static long res = sysconf(_SC_NPROCESSORS_ONLN);
+#else
+  static long res = 1;
+#endif
+  if (res == -1) {
+    NOTREACHED();
+    return 1;
+  }
+
+  return static_cast<int>(res);
+}
+
+// static
+int64_t SysInfo::AmountOfPhysicalMemory() {
+  // _SC_PHYS_PAGES is not part of POSIX and not available on OS X
+#if defined(OS_MACOSX)
+  struct host_basic_info hostinfo;
+  mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;
+  int result = host_info(mach_host_self(),
+                         HOST_BASIC_INFO,
+                         reinterpret_cast<host_info_t>(&hostinfo),
+                         &count);
+  DCHECK_EQ(HOST_BASIC_INFO_COUNT, count);
+  if (result != KERN_SUCCESS) {
+    NOTREACHED();
+    return 0;
+  }
+
+  return static_cast<int64_t>(hostinfo.max_mem);
+#elif defined(OS_NETBSD)
+  int mib[2];
+  int rc;
+  int64_t memSize;
+  size_t len = sizeof(memSize);
+
+  mib[0] = CTL_HW;
+  mib[1] = HW_PHYSMEM64;
+  rc = sysctl( mib, 2, &memSize, &len, NULL, 0 );
+  if (-1 != rc)  {
+    return memSize;
+  }
+  return 0;
+
+#else
+  long pages = sysconf(_SC_PHYS_PAGES);
+  long page_size = sysconf(_SC_PAGE_SIZE);
+  if (pages == -1 || page_size == -1) {
+    NOTREACHED();
+    return 0;
+  }
+
+  return static_cast<int64_t>(pages) * page_size;
+#endif
+}
+
+// static
+int64_t SysInfo::AmountOfFreeDiskSpace(const std::wstring& path) {
+#ifndef ANDROID
+  struct statvfs stats;
+  if (statvfs(WideToUTF8(path).c_str(), &stats) != 0) {
+    return -1;
+  }
+  return static_cast<int64_t>(stats.f_bavail) * stats.f_frsize;
+#else
+  return -1;
+#endif
+}
+
+// static
+bool SysInfo::HasEnvVar(const wchar_t* var) {
+  std::string var_utf8 = WideToUTF8(std::wstring(var));
+  return getenv(var_utf8.c_str()) != NULL;
+}
+
+// static
+std::wstring SysInfo::GetEnvVar(const wchar_t* var) {
+  std::string var_utf8 = WideToUTF8(std::wstring(var));
+  char* value = getenv(var_utf8.c_str());
+  if (!value) {
+    return L"";
+  } else {
+    return UTF8ToWide(value);
+  }
+}
+
+// static
+std::string SysInfo::OperatingSystemName() {
+  utsname info;
+  if (uname(&info) < 0) {
+    NOTREACHED();
+    return "";
+  }
+  return std::string(info.sysname);
+}
+
+// static
+std::string SysInfo::CPUArchitecture() {
+  utsname info;
+  if (uname(&info) < 0) {
+    NOTREACHED();
+    return "";
+  }
+  return std::string(info.machine);
+}
+
+// static
+void SysInfo::GetPrimaryDisplayDimensions(int* width, int* height) {
+  NOTIMPLEMENTED();
+}
+
+// static
+int SysInfo::DisplayCount() {
+  NOTIMPLEMENTED();
+  return 1;
+}
+
+// static
+size_t SysInfo::VMAllocationGranularity() {
+  return getpagesize();
+}
+
+}  // namespace base