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Commit 6ca1d82b authored by android-build-team Robot's avatar android-build-team Robot
Browse files

Snap for 5691606 from cb06c2b3 to qt-release 

Change-Id: I37303fb746eaffc21fb1bfa4ecede2b198a5777e
parents 7966b94a cb06c2b3

libprocessgroup/cgroup_map.cpp

+6 −3
Original line number Original line Diff line number Diff line
@@ -67,11 +67,14 @@ bool CgroupController::HasValue() const { 
    return controller_ != nullptr;

    return controller_ != nullptr;

}

}





bool CgroupController::IsUsable() const {

bool CgroupController::IsUsable() {

    if (!HasValue()) return false;

    if (!HasValue()) return false;





    static bool enabled = (access(GetProcsFilePath("", 0, 0).c_str(), F_OK) == 0);

    if (state_ == UNKNOWN) {

    return enabled;

        state_ = access(GetProcsFilePath("", 0, 0).c_str(), F_OK) == 0 ? USABLE : MISSING;

    }



    return state_ == USABLE;

}

}





std::string CgroupController::GetTasksFilePath(const std::string& rel_path) const {

std::string CgroupController::GetTasksFilePath(const std::string& rel_path) const {

libprocessgroup/cgroup_map.h

+10 −2
Original line number Original line Diff line number Diff line
@@ -31,20 +31,28 @@ 
class CgroupController {

class CgroupController {

  public:

  public:

    // Does not own controller

    // Does not own controller

    explicit CgroupController(const ACgroupController* controller) : controller_(controller) {}

    explicit CgroupController(const ACgroupController* controller)

        : controller_(controller), state_(UNKNOWN) {}





    uint32_t version() const;

    uint32_t version() const;

    const char* name() const;

    const char* name() const;

    const char* path() const;

    const char* path() const;





    bool HasValue() const;

    bool HasValue() const;

    bool IsUsable() const;

    bool IsUsable();





    std::string GetTasksFilePath(const std::string& path) const;

    std::string GetTasksFilePath(const std::string& path) const;

    std::string GetProcsFilePath(const std::string& path, uid_t uid, pid_t pid) const;

    std::string GetProcsFilePath(const std::string& path, uid_t uid, pid_t pid) const;

    bool GetTaskGroup(int tid, std::string* group) const;

    bool GetTaskGroup(int tid, std::string* group) const;

  private:

  private:

    enum ControllerState {

        UNKNOWN = 0,

        USABLE = 1,

        MISSING = 2,

    };



    const ACgroupController* controller_ = nullptr;

    const ACgroupController* controller_ = nullptr;

    ControllerState state_;

};

};





class CgroupMap {

class CgroupMap {