| // Copyright 2024 The Cobalt Authors. All Rights Reserved. |
| // |
| // 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 <pthread.h> |
| |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <sys/prctl.h> |
| #include <unistd.h> |
| |
| extern "C" { |
| |
| #if __ANDROID_API__ < 26 |
| // The API doesn exist before API Level 26 and we currently target 24 |
| // If this is the current thread we can obtain the name using `prctl`. |
| int pthread_getname_np(pthread_t thread, char* name, size_t len) { |
| // The PR_GET_NAME expects a buffer of size 16 bytes. |
| if (pthread_equal(pthread_self(), thread) && len >= 16) { |
| prctl(PR_GET_NAME, name, 0L, 0L, 0L); |
| return 0; |
| } |
| return -1; |
| } |
| } |
| #endif // __ANDROID_API__ < 26 |
