Order function definitions in base/ according to the header.

base/metrics/stats_table.cc

 // Copyright (c) 2010 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/metrics/stats_table.h"
 
 #include "base/logging.h"
 #include "base/process_util.h"
 #include "base/scoped_ptr.h"
 #include "base/shared_memory.h"
@@ skipping 260 matching lines @@
   tls_index_.Free();
 
   // Cleanup our shared memory.
   delete impl_;
 
   // If we are the global table, unregister ourselves.
   if (global_table_ == this)
     global_table_ = NULL;
 }
 
+int StatsTable::GetSlot() const {
+  TLSData* data = GetTLSData();
+  if (!data)
+    return 0;
+  return data->slot;
+}
+
 int StatsTable::RegisterThread(const std::string& name) {
   int slot = 0;
   if (!impl_)
     return 0;
 
   // Registering a thread requires that we lock the shared memory
   // so that two threads don't grab the same slot.  Fortunately,
   // thread creation shouldn't happen in inner loops.
   {
     SharedMemoryAutoLock lock(impl_->shared_memory());
@@ skipping 13 matching lines @@
   }
 
   // Set our thread local storage.
   TLSData* data = new TLSData;
   data->table = this;
   data->slot = slot;
   tls_index_.Set(data);
   return slot;
 }
 
-StatsTable::TLSData* StatsTable::GetTLSData() const {
-  TLSData* data =
-    static_cast<TLSData*>(tls_index_.Get());
-  if (!data)
+int StatsTable::CountThreadsRegistered() const {
+  if (!impl_)
+    return 0;
+
+  // Loop through the shared memory and count the threads that are active.
+  // We intentionally do not lock the table during the operation.
+  int count = 0;
+  for (int index = 1; index <= impl_->max_threads(); index++) {
+    char* name = impl_->thread_name(index);
+    if (*name != '\0')
+      count++;
+  }
+  return count;
+}
+
+int StatsTable::FindCounter(const std::string& name) {
+  // Note: the API returns counters numbered from 1..N, although
+  // internally, the array is 0..N-1.  This is so that we can return
+  // zero as "not found".
+  if (!impl_)
+    return 0;
+
+  // Create a scope for our auto-lock.
+  {
+    AutoLock scoped_lock(counters_lock_);
+
+    // Attempt to find the counter.
+    CountersMap::const_iterator iter;
+    iter = counters_.find(name);
+    if (iter != counters_.end())
+      return iter->second;
+  }
+
+  // Counter does not exist, so add it.
+  return AddCounter(name);
+}
+
+int* StatsTable::GetLocation(int counter_id, int slot_id) const {
+  if (!impl_)
+    return NULL;
+  if (slot_id > impl_->max_threads())
     return NULL;
 
-  DCHECK(data->slot);
-  DCHECK_EQ(data->table, this);
-  return data;
+  int* row = impl_->row(counter_id);
+  return &(row[slot_id-1]);
+}
+
+const char* StatsTable::GetRowName(int index) const {
+  if (!impl_)
+    return NULL;
+
+  return impl_->counter_name(index);
+}
+
+int StatsTable::GetRowValue(int index) const {
+  return GetRowValue(index, 0);
+}
+
+int StatsTable::GetRowValue(int index, int pid) const {
+  if (!impl_)
+    return 0;
+
+  int rv = 0;
+  int* row = impl_->row(index);
+  for (int slot_id = 0; slot_id < impl_->max_threads(); slot_id++) {
+    if (pid == 0 || *impl_->thread_pid(slot_id) == pid)
+      rv += row[slot_id];
+  }
+  return rv;
+}
+
+int StatsTable::GetCounterValue(const std::string& name) {
+  return GetCounterValue(name, 0);
+}
+
+int StatsTable::GetCounterValue(const std::string& name, int pid) {
+  if (!impl_)
+    return 0;
+
+  int row = FindCounter(name);
+  if (!row)
+    return 0;
+  return GetRowValue(row, pid);
+}
+
+int StatsTable::GetMaxCounters() const {
+  if (!impl_)
+    return 0;
+  return impl_->max_counters();
+}
+
+int StatsTable::GetMaxThreads() const {
+  if (!impl_)
+    return 0;
+  return impl_->max_threads();
+}
+
+int* StatsTable::FindLocation(const char* name) {
+  // Get the static StatsTable
+  StatsTable *table = StatsTable::current();
+  if (!table)
+    return NULL;
+
+  // Get the slot for this thread.  Try to register
+  // it if none exists.
+  int slot = table->GetSlot();
+  if (!slot && !(slot = table->RegisterThread("")))
+      return NULL;
+
+  // Find the counter id for the counter.
+  std::string str_name(name);
+  int counter = table->FindCounter(str_name);
+
+  // Now we can find the location in the table.
+  return table->GetLocation(counter, slot);
 }
 
 void StatsTable::UnregisterThread() {
   UnregisterThread(GetTLSData());
 }
 
 void StatsTable::UnregisterThread(TLSData* data) {
   if (!data)
     return;
   DCHECK(impl_);
@@ skipping 11 matching lines @@
   // This is called by the TLS destructor, which on some platforms has
   // already cleared the TLS info, so use the tls_data argument
   // rather than trying to fetch it ourselves.
   TLSData* tls_data = static_cast<TLSData*>(data);
   if (tls_data) {
     DCHECK(tls_data->table);
     tls_data->table->UnregisterThread(tls_data);
   }
 }
 
-int StatsTable::CountThreadsRegistered() const {
-  if (!impl_)
-    return 0;
-
-  // Loop through the shared memory and count the threads that are active.
-  // We intentionally do not lock the table during the operation.
-  int count = 0;
-  for (int index = 1; index <= impl_->max_threads(); index++) {
-    char* name = impl_->thread_name(index);
-    if (*name != '\0')
-      count++;
-  }
-  return count;
-}
-
-int StatsTable::GetSlot() const {
-  TLSData* data = GetTLSData();
-  if (!data)
-    return 0;
-  return data->slot;
-}
-
 int StatsTable::FindEmptyThread() const {
   // Note: the API returns slots numbered from 1..N, although
   // internally, the array is 0..N-1.  This is so that we can return
   // zero as "not found".
   //
   // The reason for doing this is because the thread 'slot' is stored
   // in TLS, which is always initialized to zero, not -1.  If 0 were
   // returned as a valid slot number, it would be confused with the
   // uninitialized state.
   if (!impl_)
@@ skipping 25 matching lines @@
   for (int index = 1; index <= impl_->max_counters(); index++) {
     char* row_name = impl_->counter_name(index);
     if (!*row_name && !free_slot)
       free_slot = index;  // save that we found a free slot
     else if (!strncmp(row_name, name.c_str(), kMaxCounterNameLength))
       return index;
   }
   return free_slot;
 }
 
-int StatsTable::FindCounter(const std::string& name) {
-  // Note: the API returns counters numbered from 1..N, although
-  // internally, the array is 0..N-1.  This is so that we can return
-  // zero as "not found".
-  if (!impl_)
-    return 0;
-
-  // Create a scope for our auto-lock.
-  {
-    AutoLock scoped_lock(counters_lock_);
-
-    // Attempt to find the counter.
-    CountersMap::const_iterator iter;
-    iter = counters_.find(name);
-    if (iter != counters_.end())
-      return iter->second;
-  }
-
-  // Counter does not exist, so add it.
-  return AddCounter(name);
-}
-
 int StatsTable::AddCounter(const std::string& name) {
   if (!impl_)
     return 0;
 
   int counter_id = 0;
   {
     // To add a counter to the shared memory, we need the
     // shared memory lock.
     SharedMemoryAutoLock lock(impl_->shared_memory());
 
@@ skipping 10 matching lines @@
   }
 
   // now add to our in-memory cache
   {
     AutoLock lock(counters_lock_);
     counters_[name] = counter_id;
   }
   return counter_id;
 }
 
-int* StatsTable::GetLocation(int counter_id, int slot_id) const {
-  if (!impl_)
-    return NULL;
-  if (slot_id > impl_->max_threads())
+StatsTable::TLSData* StatsTable::GetTLSData() const {
+  TLSData* data =
+    static_cast<TLSData*>(tls_index_.Get());
+  if (!data)
     return NULL;
 
-  int* row = impl_->row(counter_id);
-  return &(row[slot_id-1]);
-}
-
-const char* StatsTable::GetRowName(int index) const {
-  if (!impl_)
-    return NULL;
-
-  return impl_->counter_name(index);
-}
-
-int StatsTable::GetRowValue(int index, int pid) const {
-  if (!impl_)
-    return 0;
-
-  int rv = 0;
-  int* row = impl_->row(index);
-  for (int slot_id = 0; slot_id < impl_->max_threads(); slot_id++) {
-    if (pid == 0 || *impl_->thread_pid(slot_id) == pid)
-      rv += row[slot_id];
-  }
-  return rv;
-}
-
-int StatsTable::GetRowValue(int index) const {
-  return GetRowValue(index, 0);
-}
-
-int StatsTable::GetCounterValue(const std::string& name, int pid) {
-  if (!impl_)
-    return 0;
-
-  int row = FindCounter(name);
-  if (!row)
-    return 0;
-  return GetRowValue(row, pid);
-}
-
-int StatsTable::GetCounterValue(const std::string& name) {
-  return GetCounterValue(name, 0);
-}
-
-int StatsTable::GetMaxCounters() const {
-  if (!impl_)
-    return 0;
-  return impl_->max_counters();
-}
-
-int StatsTable::GetMaxThreads() const {
-  if (!impl_)
-    return 0;
-  return impl_->max_threads();
-}
-
-int* StatsTable::FindLocation(const char* name) {
-  // Get the static StatsTable
-  StatsTable *table = StatsTable::current();
-  if (!table)
-    return NULL;
-
-  // Get the slot for this thread.  Try to register
-  // it if none exists.
-  int slot = table->GetSlot();
-  if (!slot && !(slot = table->RegisterThread("")))
-      return NULL;
-
-  // Find the counter id for the counter.
-  std::string str_name(name);
-  int counter = table->FindCounter(str_name);
-
-  // Now we can find the location in the table.
-  return table->GetLocation(counter, slot);
+  DCHECK(data->slot);
+  DCHECK_EQ(data->table, this);
+  return data;
 }
 
 }  // namespace base