diff options
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/Makefile | 1 | ||||
| -rw-r--r-- | nptl/allocatestack.c | 48 | ||||
| -rw-r--r-- | nptl/descr.h | 3 | ||||
| -rw-r--r-- | nptl/nptl-init.c | 3 | ||||
| -rw-r--r-- | nptl/pthreadP.h | 10 | ||||
| -rw-r--r-- | nptl/pthread_clock_gettime.c | 67 | ||||
| -rw-r--r-- | nptl/pthread_clock_settime.c | 54 | ||||
| -rw-r--r-- | nptl/pthread_create.c | 7 |
8 files changed, 1 insertions, 192 deletions
diff --git a/nptl/Makefile b/nptl/Makefile index 5acfdcc..f9bc5cc 100644 --- a/nptl/Makefile +++ b/nptl/Makefile @@ -109,7 +109,6 @@ libpthread-routines = nptl-init nptlfreeres vars events version pt-interp \ pthread_once \ old_pthread_atfork \ pthread_getcpuclockid \ - pthread_clock_gettime pthread_clock_settime \ shm-directory \ sem_init sem_destroy \ sem_open sem_close sem_unlink \ diff --git a/nptl/allocatestack.c b/nptl/allocatestack.c index d8e8570..fcbc46f 100644 --- a/nptl/allocatestack.c +++ b/nptl/allocatestack.c @@ -963,54 +963,6 @@ __reclaim_stacks (void) } -#if HP_TIMING_AVAIL -# undef __find_thread_by_id -/* Find a thread given the thread ID. */ -attribute_hidden -struct pthread * -__find_thread_by_id (pid_t tid) -{ - struct pthread *result = NULL; - - lll_lock (stack_cache_lock, LLL_PRIVATE); - - /* Iterate over the list with system-allocated threads first. */ - list_t *runp; - list_for_each (runp, &stack_used) - { - struct pthread *curp; - - curp = list_entry (runp, struct pthread, list); - - if (curp->tid == tid) - { - result = curp; - goto out; - } - } - - /* Now the list with threads using user-allocated stacks. */ - list_for_each (runp, &__stack_user) - { - struct pthread *curp; - - curp = list_entry (runp, struct pthread, list); - - if (curp->tid == tid) - { - result = curp; - goto out; - } - } - - out: - lll_unlock (stack_cache_lock, LLL_PRIVATE); - - return result; -} -#endif - - #ifdef SIGSETXID static void setxid_mark_thread (struct xid_command *cmdp, struct pthread *t) diff --git a/nptl/descr.h b/nptl/descr.h index 4ef33ae..cb7d4c2 100644 --- a/nptl/descr.h +++ b/nptl/descr.h @@ -343,8 +343,7 @@ struct pthread unsigned int setxid_futex; #if HP_TIMING_AVAIL - /* Offset of the CPU clock at start thread start time. */ - hp_timing_t cpuclock_offset; + hp_timing_t cpuclock_offset_ununsed; #endif /* If the thread waits to join another one the ID of the latter is diff --git a/nptl/nptl-init.c b/nptl/nptl-init.c index 61ec8ed..b845c6e 100644 --- a/nptl/nptl-init.c +++ b/nptl/nptl-init.c @@ -267,9 +267,6 @@ __pthread_initialize_minimal_internal (void) THREAD_SETMEM (pd, user_stack, true); if (LLL_LOCK_INITIALIZER != 0) THREAD_SETMEM (pd, lock, LLL_LOCK_INITIALIZER); -#if HP_TIMING_AVAIL - THREAD_SETMEM (pd, cpuclock_offset, GL(dl_cpuclock_offset)); -#endif /* Initialize the robust mutex data. */ { diff --git a/nptl/pthreadP.h b/nptl/pthreadP.h index 626bd4b..f0facfd 100644 --- a/nptl/pthreadP.h +++ b/nptl/pthreadP.h @@ -401,16 +401,6 @@ extern int __pthread_multiple_threads attribute_hidden; extern int *__libc_multiple_threads_ptr attribute_hidden; #endif -/* Find a thread given its TID. */ -extern struct pthread *__find_thread_by_id (pid_t tid) attribute_hidden -#ifdef SHARED -; -#else -weak_function; -#define __find_thread_by_id(tid) \ - (__find_thread_by_id ? (__find_thread_by_id) (tid) : (struct pthread *) NULL) -#endif - extern void __pthread_init_static_tls (struct link_map *) attribute_hidden; extern size_t __pthread_get_minstack (const pthread_attr_t *attr); diff --git a/nptl/pthread_clock_gettime.c b/nptl/pthread_clock_gettime.c deleted file mode 100644 index f1d9104..0000000 --- a/nptl/pthread_clock_gettime.c +++ /dev/null @@ -1,67 +0,0 @@ -/* Copyright (C) 2001-2019 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 <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <stdlib.h> -#include <time.h> -#include "pthreadP.h" - - -#if HP_TIMING_AVAIL -int -__pthread_clock_gettime (clockid_t clock_id, hp_timing_t freq, - struct timespec *tp) -{ - hp_timing_t tsc; - - /* Get the current counter. */ - HP_TIMING_NOW (tsc); - - /* This is the ID of the thread we are looking for. */ - pid_t tid = ((unsigned int) clock_id) >> CLOCK_IDFIELD_SIZE; - - /* Compute the offset since the start time of the process. */ - if (tid == 0 || tid == THREAD_GETMEM (THREAD_SELF, tid)) - /* Our own clock. */ - tsc -= THREAD_GETMEM (THREAD_SELF, cpuclock_offset); - else - { - /* This is more complicated. We have to locate the thread based - on the ID. This means walking the list of existing - threads. */ - struct pthread *thread = __find_thread_by_id (tid); - if (thread == NULL) - { - __set_errno (EINVAL); - return -1; - } - - /* There is a race here. The thread might terminate and the stack - become unusable. But this is the user's problem. */ - tsc -= thread->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 diff --git a/nptl/pthread_clock_settime.c b/nptl/pthread_clock_settime.c deleted file mode 100644 index 0fe6482..0000000 --- a/nptl/pthread_clock_settime.c +++ /dev/null @@ -1,54 +0,0 @@ -/* Copyright (C) 2001-2019 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 <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <stdlib.h> -#include <time.h> -#include "pthreadP.h" - - -#if HP_TIMING_AVAIL -int -__pthread_clock_settime (clockid_t clock_id, hp_timing_t offset) -{ - /* This is the ID of the thread we are looking for. */ - pid_t tid = ((unsigned int) clock_id) >> CLOCK_IDFIELD_SIZE; - - /* Compute the offset since the start time of the process. */ - if (tid == 0 || tid == THREAD_GETMEM (THREAD_SELF, tid)) - /* Our own clock. */ - THREAD_SETMEM (THREAD_SELF, cpuclock_offset, offset); - else - { - /* This is more complicated. We have to locate the thread based - on the ID. This means walking the list of existing - threads. */ - struct pthread *thread = __find_thread_by_id (tid); - if (thread == NULL) - { - __set_errno (EINVAL); - return -1; - } - - /* There is a race here. The thread might terminate and the stack - become unusable. But this is the user's problem. */ - thread->cpuclock_offset = offset; - } - - return 0; -} -#endif diff --git a/nptl/pthread_create.c b/nptl/pthread_create.c index 2bd2b10..18b7bbe 100644 --- a/nptl/pthread_create.c +++ b/nptl/pthread_create.c @@ -379,13 +379,6 @@ START_THREAD_DEFN { struct pthread *pd = START_THREAD_SELF; -#if HP_TIMING_AVAIL - /* Remember the time when the thread was started. */ - hp_timing_t now; - HP_TIMING_NOW (now); - THREAD_SETMEM (pd, cpuclock_offset, now); -#endif - /* Initialize resolver state pointer. */ __resp = &pd->res; |