From e1e46622ac0fce73d802fa4a8a2e83cc25cd9e7a Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Sat, 14 Feb 2015 23:04:02 -0600 Subject: Revert "resolve merge" This reverts commit 6b6ede3d15f04fe825cfa9f697507457e3640344. --- libpthread/linuxthreads/ptclock_settime.c | 53 +++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 libpthread/linuxthreads/ptclock_settime.c (limited to 'libpthread/linuxthreads/ptclock_settime.c') diff --git a/libpthread/linuxthreads/ptclock_settime.c b/libpthread/linuxthreads/ptclock_settime.c new file mode 100644 index 000000000..bea015d2c --- /dev/null +++ b/libpthread/linuxthreads/ptclock_settime.c @@ -0,0 +1,53 @@ +/* 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, see . */ + +#include +#include +#include "internals.h" +#include "spinlock.h" + + +#if HP_TIMING_AVAIL +int +__pthread_clock_settime (clockid_t clock_id, hp_timing_t 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) + /* Our own clock. */ + THREAD_SETMEM (self, p_cpuclock_offset, 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; + } + th->p_cpuclock_offset = offset; + __pthread_unlock (&handle->h_lock); + } + + return 0; +} +#endif -- cgit v1.2.3