Repo created

TMessagesProj/jni/voip/webrtc/base/system/sys_info_openbsd.cc

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+// 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/system/sys_info.h"
+
+#include <stddef.h>
+#include <stdint.h>
+#include <sys/param.h>
+#include <sys/shm.h>
+#include <sys/sysctl.h>
+
+#include "base/logging.h"
+#include "base/stl_util.h"
+
+namespace {
+
+int64_t AmountOfMemory(int pages_name) {
+  long pages = sysconf(pages_name);
+  long page_size = sysconf(_SC_PAGESIZE);
+  if (pages == -1 || page_size == -1) {
+    NOTREACHED();
+    return 0;
+  }
+  return static_cast<int64_t>(pages) * page_size;
+}
+
+}  // namespace
+
+namespace base {
+
+// static
+int SysInfo::NumberOfProcessors() {
+  int mib[] = {CTL_HW, HW_NCPU};
+  int ncpu;
+  size_t size = sizeof(ncpu);
+  if (sysctl(mib, base::size(mib), &ncpu, &size, NULL, 0) < 0) {
+    NOTREACHED();
+    return 1;
+  }
+  return ncpu;
+}
+
+// static
+int64_t SysInfo::AmountOfPhysicalMemoryImpl() {
+  return AmountOfMemory(_SC_PHYS_PAGES);
+}
+
+// static
+int64_t SysInfo::AmountOfAvailablePhysicalMemoryImpl() {
+  // We should add inactive file-backed memory also but there is no such
+  // information from OpenBSD unfortunately.
+  return AmountOfMemory(_SC_AVPHYS_PAGES);
+}
+
+// static
+uint64_t SysInfo::MaxSharedMemorySize() {
+  int mib[] = {CTL_KERN, KERN_SHMINFO, KERN_SHMINFO_SHMMAX};
+  size_t limit;
+  size_t size = sizeof(limit);
+  if (sysctl(mib, base::size(mib), &limit, &size, NULL, 0) < 0) {
+    NOTREACHED();
+    return 0;
+  }
+  return static_cast<uint64_t>(limit);
+}
+
+// static
+std::string SysInfo::CPUModelName() {
+  int mib[] = {CTL_HW, HW_MODEL};
+  char name[256];
+  size_t len = base::size(name);
+  if (sysctl(mib, base::size(mib), name, &len, NULL, 0) < 0) {
+    NOTREACHED();
+    return std::string();
+  }
+  return name;
+}
+
+}  // namespace base