The Tor Browser: dom/system/gonk/OpenFileFinder.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     3  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #ifndef mozilla_system_openfilefinder_h__

     6 #define mozilla_system_openfilefinder_h__

     8 #include "nsString.h"

    10 #include <dirent.h>

    12 namespace mozilla {

    13 namespace system {

    15 class OpenFileFinder

    16 {

    17 public:

    18   enum State

    19   {

    20     NEXT_PID,

    21     CHECK_FDS,

    22     DONE

    23   };

    24   class Info

    25   {

    26   public:

    27     nsCString mFileName;  // name of the the open file

    28     nsCString mAppName;   // App which has the file open (if it's a b2g app)

    29     pid_t     mPid;       // pid of the process which has the file open

    30     nsCString mComm;      // comm associated with pid

    31     nsCString mExe;       // executable name associated with pid

    32     bool      mIsB2gOrDescendant; // this is b2g/its descendant or not

    33   };

    35   OpenFileFinder(const nsACString& aPath, bool aCheckIsB2gOrDescendant = true);

    36   ~OpenFileFinder();

    38   bool First(Info* aInfo);  // Return the first open file

    39   bool Next(Info* aInfo);   // Return the next open file

    40   void Close();

    42 private:

    44   void FillInfo(Info *aInfo, const nsACString& aPath);

    45   bool ReadSymLink(const nsACString& aSymLink, nsACString& aOutPath);

    46   bool PathMatches(const nsACString& aPath)

    47   {

    48     return Substring(aPath, 0, mPath.Length()).Equals(mPath);

    49   }

    51   State     mState;   // Keeps track of what we're doing.

    52   nsCString mPath;    // Only report files contained within this directory tree

    53   DIR*      mProcDir; // Used for scanning /proc

    54   DIR*      mFdDir;   // Used for scanning /proc/PID/fd

    55   int       mPid;     // PID currently being processed

    56   pid_t     mMyPid;   // PID of parent process, we assume we're running on it.

    57   bool      mCheckIsB2gOrDescendant; // Do we care about non-b2g process?

    58 };

    60 } // system

    61 } // mozilla

    63 #endif  // mozilla_system_nsvolume_h__

The Tor Browser / file revision