1 files changed, 0 insertions, 113 deletions
diff --git a/libc/system_properties/prop_trace.cpp b/libc/system_properties/prop_trace.cpp
deleted file mode 100644
index ac7ff9414..000000000
--- a/libc/system_properties/prop_trace.cpp
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Copyright (C) 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "system_properties/prop_trace.h"
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "private/CachedProperty.h"
-#include "private/bionic_lock.h"
-#include "private/bionic_systrace.h"
-
-#include <async_safe/log.h>
-#include <cutils/trace.h>  // For ATRACE_TAG_SYSPROP.
-
-#define PROP_TRACE_MSG_LENGTH 1024
-
-static bool should_trace_prop(const char* prop_name) {
-  // Should not trace kTraceTagsProp to avoid infinite recursion.
-  // Because the following g_trace_enable_flags.Get() will get the property value
-  // of kTraceTagsProp again, which in turn invokes should_trace_prop() here.
-  if (prop_name == nullptr || !strcmp(prop_name, kTraceTagsProp)) {
-    return false;
-  }
-
-  return should_trace(ATRACE_TAG_SYSPROP);
-}
-
-static void sysprop_trace_end() {
-  int trace_marker_fd = get_trace_marker_fd();
-  if (trace_marker_fd == -1) {
-    return;
-  }
-
-  TEMP_FAILURE_RETRY(write(trace_marker_fd, "E|", 2));
-}
-
-static void get_sysprop_trace_end(const prop_info* pi, const char* prop_value,
-                                  bool read_only = false) {
-  const char* output_value;
-  char message[PROP_TRACE_MSG_LENGTH];
-
-  if (read_only) {
-    if (pi->is_long()) {
-      output_value = pi->long_value();
-    } else {
-      output_value = pi->value;
-    }
-  } else {
-    output_value = prop_value;
-  }
-
-  snprintf(message, sizeof(message), "prop_get: %s, value: %s", pi->name,
-           output_value ? output_value : "null_value");
-  output_trace(message, 'E');  // 'E' for end.
-}
-
-SyspropTrace::SyspropTrace(const char* prop_name, const char* prop_value, const prop_info* pi,
-                           PropertyAction action)
-    : prop_name_(prop_name),
-      prop_value_(prop_value),
-      prop_info_(pi),
-      prop_action_(action),
-      output_trace_(false) {
-  if (!should_trace_prop(prop_name)) {
-    return;
-  }
-
-  char message[PROP_TRACE_MSG_LENGTH];
-  if (prop_action_ == PropertyAction::kPropertyFind) {
-    snprintf(message, sizeof(message), "prop_find: %s", prop_name_);
-  } else if (prop_action_ == PropertyAction::kPropertySet) {
-    snprintf(message, sizeof(message), "prop_set: %s, value: %s", prop_name_,
-             prop_value_ ? prop_value_ : "null_value");
-  } else {
-    // For property get, the prop_value_ will be resolved then printed in the destructor.
-    snprintf(message, sizeof(message), "prop_get: %s", prop_name_);
-  }
-
-  output_trace(message, 'B');  // 'B' for begin.
-  output_trace_ = true;
-}
-
-SyspropTrace::~SyspropTrace() {
-  if (!output_trace_) {
-    return;
-  }
-  if (prop_action_ == PropertyAction::kPropertyFind ||
-      prop_action_ == PropertyAction::kPropertySet) {
-    sysprop_trace_end();
-  } else if (prop_action_ == PropertyAction::kPropertyGetReadOnly) {
-    get_sysprop_trace_end(prop_info_, prop_value_, true /* read_only */);
-  } else if (prop_action_ == PropertyAction::kPropertyGetReadWrite) {
-    get_sysprop_trace_end(prop_info_, prop_value_, false /* read_only */);
-  }
-  output_trace_ = false;
-}