Remove Gonk build directories

1 files changed, 0 insertions, 251 deletions

diff --git a/dom/system/gonk/OpenFileFinder.cpp b/dom/system/gonk/OpenFileFinder.cpp
deleted file mode 100644
index 388e813e1..000000000
--- a/dom/system/gonk/OpenFileFinder.cpp
+++ /dev/null
@@ -1,251 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "OpenFileFinder.h"
-
-#include "mozilla/FileUtils.h"
-#include "nsPrintfCString.h"
-
-#include <sys/stat.h>
-#include <errno.h>
-
-#undef USE_DEBUG
-#define USE_DEBUG 0
-
-#undef LOG
-#undef LOGW
-#undef ERR
-#define LOG(args...)  __android_log_print(ANDROID_LOG_INFO,  "OpenFileFinder", ## args)
-#define LOGW(args...) __android_log_print(ANDROID_LOG_WARN,  "OpenFileFinder", ## args)
-#define ERR(args...)  __android_log_print(ANDROID_LOG_ERROR, "OpenFileFinder", ## args)
-
-#undef DBG
-#if USE_DEBUG
-#define DBG(args...)  __android_log_print(ANDROID_LOG_DEBUG, "OpenFileFinder" , ## args)
-#else
-#define DBG(args...)
-#endif
-
-namespace mozilla {
-namespace system {
-
-OpenFileFinder::OpenFileFinder(const nsACString& aPath,
-                               bool aCheckIsB2gOrDescendant /* = true */)
-  : mPath(aPath),
-    mProcDir(nullptr),
-    mFdDir(nullptr),
-    mPid(0),
-    mCheckIsB2gOrDescendant(aCheckIsB2gOrDescendant)
-{
-  // We assume that we're running in the parent process
-  mMyPid = getpid();
-}
-
-OpenFileFinder::~OpenFileFinder()
-{
-  Close();
-}
-
-bool
-OpenFileFinder::First(OpenFileFinder::Info* aInfo)
-{
-  Close();
-
-  mProcDir = opendir("/proc");
-  if (!mProcDir) {
-    return false;
-  }
-  mState = NEXT_PID;
-  return Next(aInfo);
-}
-
-bool
-OpenFileFinder::Next(OpenFileFinder::Info* aInfo)
-{
-  // NOTE: This function calls readdir and readlink, neither of which should
-  //       block since we're using the proc filesystem, which is a purely
-  // kernel in-memory filesystem and doesn't depend on external driver
-  // behaviour.
-  while (mState != DONE) {
-    switch (mState) {
-      case NEXT_PID: {
-        struct dirent *pidEntry;
-        pidEntry = readdir(mProcDir);
-        if (!pidEntry) {
-          mState = DONE;
-          break;
-        }
-        char *endPtr;
-        mPid = strtol(pidEntry->d_name, &endPtr, 10);
-        if (mPid == 0 || *endPtr != '\0') {
-          // Not a +ve number - ignore
-          continue;
-        }
-        // We've found a /proc/PID directory. Scan open file descriptors.
-        if (mFdDir) {
-          closedir(mFdDir);
-        }
-        nsPrintfCString fdDirPath("/proc/%d/fd", mPid);
-        mFdDir = opendir(fdDirPath.get());
-        if (!mFdDir) {
-          continue;
-        }
-        mState = CHECK_FDS;
-      }
-      // Fall through
-      case CHECK_FDS: {
-        struct dirent *fdEntry;
-        while((fdEntry = readdir(mFdDir))) {
-          if (!strcmp(fdEntry->d_name, ".") ||
-              !strcmp(fdEntry->d_name, "..")) {
-            continue;
-          }
-          nsPrintfCString fdSymLink("/proc/%d/fd/%s", mPid, fdEntry->d_name);
-          nsCString resolvedPath;
-          if (ReadSymLink(fdSymLink, resolvedPath) && PathMatches(resolvedPath)) {
-            // We found an open file contained within the directory tree passed
-            // into the constructor.
-            FillInfo(aInfo, resolvedPath);
-            // If sCheckIsB2gOrDescendant is set false, the caller cares about
-            // all processes which have open files. If sCheckIsB2gOrDescendant
-            // is set false, we only care about the b2g proccess or its descendants.
-            if (!mCheckIsB2gOrDescendant || aInfo->mIsB2gOrDescendant) {
-              return true;
-            }
-            LOG("Ignore process(%d), not a b2g process or its descendant.",
-                aInfo->mPid);
-          }
-        }
-        // We've checked all of the files for this pid, move onto the next one.
-        mState = NEXT_PID;
-        continue;
-      }
-      case DONE:
-      default:
-        mState = DONE;  // covers the default case
-        break;
-    }
-  }
-  return false;
-}
-
-void
-OpenFileFinder::Close()
-{
-  if (mFdDir) {
-    closedir(mFdDir);
-  }
-  if (mProcDir) {
-    closedir(mProcDir);
-  }
-}
-
-void
-OpenFileFinder::FillInfo(OpenFileFinder::Info* aInfo, const nsACString& aPath)
-{
-  aInfo->mFileName = aPath;
-  aInfo->mPid = mPid;
-  nsPrintfCString exePath("/proc/%d/exe", mPid);
-  ReadSymLink(exePath, aInfo->mExe);
-  aInfo->mComm.Truncate();
-  aInfo->mAppName.Truncate();
-  nsPrintfCString statPath("/proc/%d/stat", mPid);
-  nsCString statString;
-  statString.SetLength(200);
-  char *stat = statString.BeginWriting();
-  if (!stat) {
-    return;
-  }
-  ReadSysFile(statPath.get(), stat, statString.Length());
-  // The stat line includes the comm field, surrounded by parenthesis.
-  // However, the contents of the comm field itself is arbitrary and
-  // and can include ')', so we search for the rightmost ) as being
-  // the end of the comm field.
-  char *closeParen = strrchr(stat, ')');
-  if (!closeParen) {
-    return;
-  }
-  char *openParen = strchr(stat, '(');
-  if (!openParen) {
-    return;
-  }
-  if (openParen >= closeParen) {
-    return;
-  }
-  nsDependentCSubstring comm(&openParen[1], closeParen - openParen - 1);
-  aInfo->mComm = comm;
-  // There is a single character field after the comm and then
-  // the parent pid (the field we're interested in).
-  // ) X ppid
-  // 01234
-  int ppid = atoi(&closeParen[4]);
-
-  if (mPid == mMyPid) {
-    // This is chrome process
-    aInfo->mIsB2gOrDescendant = true;
-    DBG("Chrome process has open file(s)");
-    return;
-  }
-  // For the rest (non-chrome process), we recursively check the ppid to know
-  // it is a descendant of b2g or not. See bug 931456.
-  while (ppid != mMyPid && ppid != 1) {
-    DBG("Process(%d) is not forked from b2g(%d) or Init(1), keep looking",
-        ppid, mMyPid);
-    nsPrintfCString ppStatPath("/proc/%d/stat", ppid);
-    ReadSysFile(ppStatPath.get(), stat, statString.Length());
-    closeParen = strrchr(stat, ')');
-    if (!closeParen) {
-      return;
-    }
-    ppid = atoi(&closeParen[4]);
-  }
-  if (ppid == 1) {
-    // This is a not a b2g process.
-    DBG("Non-b2g process has open file(s)");
-    aInfo->mIsB2gOrDescendant = false;
-    return;
-  }
-  if (ppid == mMyPid) {
-    // This is a descendant of b2g.
-    DBG("Child process of chrome process has open file(s)");
-    aInfo->mIsB2gOrDescendant = true;
-  }
-
-  // This looks like a content process. The comm field will be the
-  // app name.
-  aInfo->mAppName = aInfo->mComm;
-}
-
-bool
-OpenFileFinder::ReadSymLink(const nsACString& aSymLink, nsACString& aOutPath)
-{
-  aOutPath.Truncate();
-  const char *symLink = aSymLink.BeginReading();
-
-  // Verify that we actually have a symlink.
-  struct stat st;
-  if (lstat(symLink, &st)) {
-      return false;
-  }
-  if ((st.st_mode & S_IFMT) != S_IFLNK) {
-      return false;
-  }
-
-  // Contrary to the documentation st.st_size doesn't seem to be a reliable
-  // indication of the length when reading from /proc, so we use a fixed
-  // size buffer instead.
-
-  char resolvedSymLink[PATH_MAX];
-  ssize_t pathLength = readlink(symLink, resolvedSymLink,
-                                sizeof(resolvedSymLink) - 1);
-  if (pathLength <= 0) {
-      return false;
-  }
-  resolvedSymLink[pathLength] = '\0';
-  aOutPath.Assign(resolvedSymLink);
-  return true;
-}
-
-} // system
-} // mozilla