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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/unix/sysv/linux/clock_getcpuclockid.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/unix/sysv/linux/clock_getcpuclockid.c')
-rw-r--r--sysdeps/unix/sysv/linux/clock_getcpuclockid.c103
1 files changed, 0 insertions, 103 deletions
diff --git a/sysdeps/unix/sysv/linux/clock_getcpuclockid.c b/sysdeps/unix/sysv/linux/clock_getcpuclockid.c
deleted file mode 100644
index 04bf49e45f..0000000000
--- a/sysdeps/unix/sysv/linux/clock_getcpuclockid.c
+++ /dev/null
@@ -1,103 +0,0 @@
-/* clock_getcpuclockid -- Get a clockid_t for process CPU time. Linux version.
- Copyright (C) 2004, 2005, 2006 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; 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 <unistd.h>
-#include <kernel-features.h>
-#include "kernel-posix-cpu-timers.h"
-
-#ifndef HAS_CPUCLOCK
-# define HAS_CPUCLOCK 1
-#endif
-
-int
-clock_getcpuclockid (pid_t pid, clockid_t *clock_id)
-{
-#ifdef __NR_clock_getres
- /* The clockid_t value is a simple computation from the PID.
- But we do a clock_getres call to validate it. */
-
- const clockid_t pidclock = MAKE_PROCESS_CPUCLOCK (pid, CPUCLOCK_SCHED);
-
-# if !(__ASSUME_POSIX_CPU_TIMERS > 0)
- extern int __libc_missing_posix_cpu_timers attribute_hidden;
-# if !(__ASSUME_POSIX_TIMERS > 0)
- extern int __libc_missing_posix_timers attribute_hidden;
- if (__libc_missing_posix_timers && !__libc_missing_posix_cpu_timers)
- __libc_missing_posix_cpu_timers = 1;
-# endif
- if (!__libc_missing_posix_cpu_timers)
-# endif
- {
- INTERNAL_SYSCALL_DECL (err);
- int r = INTERNAL_SYSCALL (clock_getres, err, 2, pidclock, NULL);
- if (!INTERNAL_SYSCALL_ERROR_P (r, err))
- {
- *clock_id = pidclock;
- return 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)
- {
-# if !(__ASSUME_POSIX_CPU_TIMERS > 0)
- if (pidclock == MAKE_PROCESS_CPUCLOCK (0, CPUCLOCK_SCHED)
- || INTERNAL_SYSCALL_ERROR_P (INTERNAL_SYSCALL
- (clock_getres, err, 2,
- MAKE_PROCESS_CPUCLOCK
- (0, CPUCLOCK_SCHED), NULL),
- err))
- /* The kernel doesn't support these clocks at all. */
- __libc_missing_posix_cpu_timers = 1;
- else
-# endif
- /* The clock_getres system call checked the PID for us. */
- return ESRCH;
- }
- else
- return INTERNAL_SYSCALL_ERRNO (r, err);
- }
-#endif
-
- /* We don't allow any process ID but our own. */
- if (pid != 0 && pid != getpid ())
- return EPERM;
-
-#ifdef CLOCK_PROCESS_CPUTIME_ID
- if (HAS_CPUCLOCK)
- {
- /* Store the number. */
- *clock_id = CLOCK_PROCESS_CPUTIME_ID;
-
- return 0;
- }
-#endif
-
- /* We don't have a timer for that. */
- return ENOENT;
-}