| 313 | } |
| 314 | |
| 315 | int |
| 316 | kern_clock_gettime(struct thread *td, clockid_t clock_id, struct timespec *ats) |
| 317 | { |
| 318 | struct timeval sys, user; |
| 319 | struct proc *p; |
| 320 | |
| 321 | p = td->td_proc; |
| 322 | switch (clock_id) { |
| 323 | case CLOCK_REALTIME: /* Default to precise. */ |
| 324 | case CLOCK_REALTIME_PRECISE: |
| 325 | nanotime(ats); |
| 326 | break; |
| 327 | case CLOCK_REALTIME_FAST: |
| 328 | getnanotime(ats); |
| 329 | break; |
| 330 | case CLOCK_VIRTUAL: |
| 331 | PROC_LOCK(p); |
| 332 | PROC_STATLOCK(p); |
| 333 | calcru(p, &user, &sys); |
| 334 | PROC_STATUNLOCK(p); |
| 335 | PROC_UNLOCK(p); |
| 336 | TIMEVAL_TO_TIMESPEC(&user, ats); |
| 337 | break; |
| 338 | case CLOCK_PROF: |
| 339 | PROC_LOCK(p); |
| 340 | PROC_STATLOCK(p); |
| 341 | calcru(p, &user, &sys); |
| 342 | PROC_STATUNLOCK(p); |
| 343 | PROC_UNLOCK(p); |
| 344 | timevaladd(&user, &sys); |
| 345 | TIMEVAL_TO_TIMESPEC(&user, ats); |
| 346 | break; |
| 347 | case CLOCK_MONOTONIC: /* Default to precise. */ |
| 348 | case CLOCK_MONOTONIC_PRECISE: |
| 349 | case CLOCK_UPTIME: |
| 350 | case CLOCK_UPTIME_PRECISE: |
| 351 | nanouptime(ats); |
| 352 | break; |
| 353 | case CLOCK_UPTIME_FAST: |
| 354 | case CLOCK_MONOTONIC_FAST: |
| 355 | getnanouptime(ats); |
| 356 | break; |
| 357 | case CLOCK_SECOND: |
| 358 | ats->tv_sec = time_second; |
| 359 | ats->tv_nsec = 0; |
| 360 | break; |
| 361 | case CLOCK_THREAD_CPUTIME_ID: |
| 362 | kern_thread_cputime(NULL, ats); |
| 363 | break; |
| 364 | case CLOCK_PROCESS_CPUTIME_ID: |
| 365 | PROC_LOCK(p); |
| 366 | kern_process_cputime(p, ats); |
| 367 | PROC_UNLOCK(p); |
| 368 | break; |
| 369 | default: |
| 370 | if ((int)clock_id >= 0) |
| 371 | return (EINVAL); |
| 372 | return (get_cputime(td, clock_id, ats)); |
no test coverage detected