| /* Copyright (C) 2001 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public License as |
| published by the Free Software Foundation; either version 2 of the |
| License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public |
| License along with the GNU C Library; see the file COPYING.LIB. If not, |
| write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #include <time.h> |
| #include <libc-internal.h> |
| #include "internals.h" |
| |
| |
| #if HP_TIMING_AVAIL |
| int |
| __pthread_clock_gettime (hp_timing_t freq, struct timespec *tp) |
| { |
| hp_timing_t tsc; |
| pthread_descr self = thread_self (); |
| |
| /* Get the current counter. */ |
| HP_TIMING_NOW (tsc); |
| |
| /* Compute the offset since the start time of the process. */ |
| tsc -= THREAD_GETMEM (self, p_cpuclock_offset); |
| |
| /* Compute the seconds. */ |
| tp->tv_sec = tsc / freq; |
| |
| /* And the nanoseconds. This computation should be stable until |
| we get machines with about 16GHz frequency. */ |
| tp->tv_nsec = ((tsc % freq) * 1000000000ull) / freq; |
| |
| return 0; |
| } |
| #endif |