| 279 | }; |
| 280 | |
| 281 | void ThreadMgr::SetThreadName(const string& name, int64_t tid) { |
| 282 | // On linux we can get the thread names to show up in the debugger by setting |
| 283 | // the process name for the LWP. We don't want to do this for the main |
| 284 | // thread because that would rename the process, causing tools like killall |
| 285 | // to stop working. |
| 286 | if (tid == getpid()) { |
| 287 | return; |
| 288 | } |
| 289 | |
| 290 | #if defined(__linux__) |
| 291 | // http://0pointer.de/blog/projects/name-your-threads.html |
| 292 | // Set the name for the LWP (which gets truncated to 15 characters). |
| 293 | // Note that glibc also has a 'pthread_setname_np' api, but it may not be |
| 294 | // available everywhere and it's only benefit over using prctl directly is |
| 295 | // that it can set the name of threads other than the current thread. |
| 296 | int err = prctl(PR_SET_NAME, name.c_str()); |
| 297 | #else |
| 298 | int err = pthread_setname_np(name.c_str()); |
| 299 | #endif // defined(__linux__) |
| 300 | // We expect EPERM failures in sandboxed processes, just ignore those. |
| 301 | if (err < 0 && errno != EPERM) { |
| 302 | PLOG(ERROR) << "SetThreadName"; |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | Status ThreadMgr::StartInstrumentation(const scoped_refptr<MetricEntity>& metrics, |
| 307 | WebCallbackRegistry* web) const { |
no outgoing calls
no test coverage detected