diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.c')
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.c | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.c b/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.c deleted file mode 100644 index 37d885760d..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.c +++ /dev/null @@ -1,99 +0,0 @@ -/* Copyright (C) 2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003. - - 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 <sysdep.h> -#include <lowlevellock.h> -#include <sys/time.h> - - -void -___lll_lock (futex, newval) - int *futex; - int newval; -{ - do - { - int oldval; - - lll_futex_wait (futex, newval); - lll_compare_and_swap (futex, oldval, newval, "lr %2,%1; ahi %2,-1"); - } - while (newval != 0); - - *futex = -1; -} - - -int -lll_unlock_wake_cb (futex) - int *futex; -{ - int oldval; - int newval; - - lll_compare_and_swap (futex, oldval, newval, "lr %2,%1; ahi %2,1"); - if (oldval < 0) - lll_futex_wake (futex, 1); - return 0; -} - - -int -___lll_timedwait_tid (ptid, abstime) - int *ptid; - const struct timespec *abstime; -{ - int tid; - - if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) - return EINVAL; - - /* Repeat until thread terminated. */ - while ((tid = *ptid) != 0) - { - /* Get current time. */ - struct timeval tv; - __gettimeofday (&tv, NULL); - - /* Determine relative timeout. */ - struct timespec rt; - rt.tv_sec = abstime->tv_sec - tv.tv_sec; - rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000; - if (rt.tv_nsec < 0) - { - rt.tv_nsec += 1000000000; - rt.tv_sec--; - } - /* Already timed out? */ - if (rt.tv_sec < 0) - return ETIMEDOUT; - - /* Wait until thread terminates. */ - int err = lll_futex_timed_wait (ptid, tid, &rt); - - /* Woken due to timeout? */ - if (err == -ETIMEDOUT) - /* Yes. */ - return ETIMEDOUT; - } - - return 0; -} - |