1 /*
2 **
3 ** Copyright 2015, The Android Open Source Project
4 **
5 ** Licensed under the Apache License, Version 2.0 (the "License");
6 ** you may not use this file except in compliance with the License.
7 ** You may obtain a copy of the License at
8 **
9 **     http://www.apache.org/licenses/LICENSE-2.0
10 **
11 ** Unless required by applicable law or agreed to in writing, software
12 ** distributed under the License is distributed on an "AS IS" BASIS,
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 ** See the License for the specific language governing permissions and
15 ** limitations under the License.
16 */
17 
18 #include <string.h>
19 
20 #include <android-base/logging.h>
21 
22 #include "config.h"
23 #include "perfprofd_binder.h"
24 #include "perfprofd_cmdline.h"
25 #include "perfprofdcore.h"
26 
27 extern int perfprofd_main(int argc, char** argv, Config* config);
28 
29 int main(int argc, char** argv)
30 {
31   if (argc > 1 && strcmp(argv[1], "--binder") == 0) {
32     return android::perfprofd::binder::Main();
33   }
34 
35   struct PosixSleepConfig : public Config {
36     void Sleep(size_t seconds) override {
37       sleep(seconds);
38     }
39     bool IsProfilingEnabled() const override {
40       //
41       // Check for existence of semaphore file in config directory
42       //
43       if (access(config_directory.c_str(), F_OK) == -1) {
44         PLOG(WARNING) << "unable to open config directory " << config_directory;
45         return false;
46       }
47 
48       // Check for existence of semaphore file
49       std::string semaphore_filepath = config_directory
50           + "/" + SEMAPHORE_FILENAME;
51       if (access(semaphore_filepath.c_str(), F_OK) == -1) {
52         return false;
53       }
54 
55       return true;
56     }
57   };
58   PosixSleepConfig config;
59   return perfprofd_main(argc, argv, &config);
60 }
61