diff options
Diffstat (limited to 'linuxthreads/ptclock_gettime.c')
| -rw-r--r-- | linuxthreads/ptclock_gettime.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/linuxthreads/ptclock_gettime.c b/linuxthreads/ptclock_gettime.c deleted file mode 100644 index 755f83d101..0000000000 --- a/linuxthreads/ptclock_gettime.c +++ /dev/null @@ -1,69 +0,0 @@ -/* Copyright (C) 2001, 2004 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 Lesser General Public License as - published by the Free Software Foundation; either version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser 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 <errno.h> -#include <time.h> -#include <libc-internal.h> -#include "internals.h" -#include "spinlock.h" - - -#if HP_TIMING_AVAIL -int -__pthread_clock_gettime (clockid_t clock_id, hp_timing_t freq, - struct timespec *tp) -{ - hp_timing_t tsc, cpuclock_offset; - pthread_descr self = thread_self (); - pthread_t thread = ((unsigned int) clock_id) >> CLOCK_IDFIELD_SIZE; - const unsigned int mask = ~0U >> CLOCK_IDFIELD_SIZE; - - if (thread == 0 || (THREAD_GETMEM (self, p_tid) & mask) == thread) - cpuclock_offset = THREAD_GETMEM (self, p_cpuclock_offset); - else - { - pthread_descr th; - pthread_handle handle = thread_handle (thread); - __pthread_lock (&handle->h_lock, NULL); - th = handle->h_descr; - if (th == NULL || (th->p_tid & mask) != thread || th->p_terminated) - { - __pthread_unlock (&handle->h_lock); - __set_errno (EINVAL); - return -1; - } - cpuclock_offset = th->p_cpuclock_offset; - __pthread_unlock (&handle->h_lock); - } - - /* Get the current counter. */ - HP_TIMING_NOW (tsc); - - /* Compute the offset since the start time of the process. */ - tsc -= 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 |