| // Copyright (c) 2012 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. |
| |
| #ifndef CONTENT_PUBLIC_BROWSER_ZYGOTE_HOST_LINUX_H_ |
| #define CONTENT_PUBLIC_BROWSER_ZYGOTE_HOST_LINUX_H_ |
| |
| #include <unistd.h> |
| |
| #include "base/process/process.h" |
| #include "content/common/content_export.h" |
| |
| namespace content { |
| |
| // https://chromium.googlesource.com/chromium/src/+/master/docs/linux_zygote.md |
| |
| // The zygote host is an interface, in the browser process, to the zygote |
| // process. |
| class ZygoteHost { |
| public: |
| // Returns the singleton instance. |
| CONTENT_EXPORT static ZygoteHost* GetInstance(); |
| |
| virtual ~ZygoteHost() {} |
| |
| // Returns the pid of the Zygote process. |
| virtual bool IsZygotePid(pid_t pid) = 0; |
| |
| // Returns an int which is a bitmask of kSandboxLinux* values. Only valid |
| // after the first render has been forked. |
| virtual int GetRendererSandboxStatus() const = 0; |
| |
| // Adjust the OOM score of the given renderer's PID. The allowed |
| // range for the score is [0, 1000], where higher values are more |
| // likely to be killed by the OOM killer. |
| virtual void AdjustRendererOOMScore(base::ProcessHandle process_handle, |
| int score) = 0; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_PUBLIC_BROWSER_ZYGOTE_HOST_LINUX_H_ |