diff options
| author | Waldemar Brodkorb <wbx@openadk.org> | 2015-02-14 23:00:19 -0600 | 
|---|---|---|
| committer | Waldemar Brodkorb <wbx@openadk.org> | 2015-02-14 23:00:19 -0600 | 
| commit | 6b6ede3d15f04fe825cfa9f697507457e3640344 (patch) | |
| tree | efe9bf75eaf2200f89087ed0ef2ef350549ccd6d /libpthread/linuxthreads/sysdeps/pthread/getcpuclockid.c | |
| parent | f972c2262fd4efc2bbf9789dce145bb705acec24 (diff) | |
resolve merge
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/pthread/getcpuclockid.c')
| -rw-r--r-- | libpthread/linuxthreads/sysdeps/pthread/getcpuclockid.c | 116 | 
1 files changed, 0 insertions, 116 deletions
| diff --git a/libpthread/linuxthreads/sysdeps/pthread/getcpuclockid.c b/libpthread/linuxthreads/sysdeps/pthread/getcpuclockid.c deleted file mode 100644 index 6acb179c5..000000000 --- a/libpthread/linuxthreads/sysdeps/pthread/getcpuclockid.c +++ /dev/null @@ -1,116 +0,0 @@ -/* pthread_getcpuclockid -- Get POSIX clockid_t for a pthread_t.  Linux version -   Copyright (C) 2000, 2001, 2004, 2005 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 <pthread.h> -#include <sys/time.h> -#include <time.h> -#include <internals.h> -#include <spinlock.h> -#include <bits/kernel-features.h> -#include <kernel-posix-cpu-timers.h> - - -#if !(__ASSUME_POSIX_CPU_TIMERS > 0) -int __libc_missing_posix_cpu_timers attribute_hidden; -#endif -#if !(__ASSUME_POSIX_TIMERS > 0) -int __libc_missing_posix_timers attribute_hidden; -#endif - -int -pthread_getcpuclockid (pthread_t thread_id, clockid_t *clock_id) -{ -#ifdef __NR_clock_getres -  pthread_handle handle = thread_handle(thread_id); -  int pid; - -  __pthread_lock (&handle->h_lock, NULL); -  if (nonexisting_handle (handle, thread_id)) -    { -      __pthread_unlock (&handle->h_lock); -      return ESRCH; -    } -  pid = handle->h_descr->p_pid; -  __pthread_unlock (&handle->h_lock); - -  /* The clockid_t value is a simple computation from the PID. -     But we do a clock_getres call to validate it if we aren't -     yet sure we have the kernel support.  */ - -  const clockid_t pidclock = MAKE_PROCESS_CPUCLOCK (pid, CPUCLOCK_SCHED); - -# if !(__ASSUME_POSIX_CPU_TIMERS > 0) -#  if !(__ASSUME_POSIX_TIMERS > 0) -  if (__libc_missing_posix_timers && !__libc_missing_posix_cpu_timers) -    __libc_missing_posix_cpu_timers = 1; -#  endif -  if (!__libc_missing_posix_cpu_timers) -    { -      INTERNAL_SYSCALL_DECL (err); -      int r = INTERNAL_SYSCALL (clock_getres, err, 2, pidclock, NULL); -      if (!INTERNAL_SYSCALL_ERROR_P (r, err)) -# endif -	{ -	  *clock_id = pidclock; -	  return 0; -	} - -# if !(__ASSUME_POSIX_CPU_TIMERS > 0) -#  if !(__ASSUME_POSIX_TIMERS > 0) -      if (INTERNAL_SYSCALL_ERRNO (r, err) == ENOSYS) -	{ -	  /* The kernel doesn't support these calls at all.  */ -	  __libc_missing_posix_timers = 1; -	  __libc_missing_posix_cpu_timers = 1; -	} -      else -#  endif -	if (INTERNAL_SYSCALL_ERRNO (r, err) == EINVAL) -	  { -	    /* The kernel doesn't support these clocks at all.  */ -	    __libc_missing_posix_cpu_timers = 1; -	  } -      else -	return INTERNAL_SYSCALL_ERRNO (r, err); -    } -# endif -#endif - -#ifdef CLOCK_THREAD_CPUTIME_ID -  /* We need to store the thread ID in the CLOCKID variable together -     with a number identifying the clock.  We reserve the low 3 bits -     for the clock ID and the rest for the thread ID.  This is -     problematic if the thread ID is too large.  But 29 bits should be -     fine. - -     If some day more clock IDs are needed the ID part can be -     enlarged.  The IDs are entirely internal.  */ -  if (2 * PTHREAD_THREADS_MAX -      >= 1 << (8 * sizeof (*clock_id) - CLOCK_IDFIELD_SIZE)) -    return ERANGE; - -  /* Store the number.  */ -  *clock_id = CLOCK_THREAD_CPUTIME_ID | (thread_id << CLOCK_IDFIELD_SIZE); - -  return 0; -#else -  /* We don't have a timer for that.  */ -  return ENOENT; -#endif -} | 
