diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/s390/lowlevelmutex.c')
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/lowlevelmutex.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/lowlevelmutex.c b/nptl/sysdeps/unix/sysv/linux/s390/lowlevelmutex.c deleted file mode 100644 index d61ebf95e6..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/s390/lowlevelmutex.c +++ /dev/null @@ -1,88 +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> - - -void -___lll_mutex_lock (futex, newval) - int *futex; - int newval; -{ - int oldval; - - do - { - lll_futex_wait (futex, newval); - lll_compare_and_swap (futex, oldval, newval, "lr %2,%1; ahi %2,1"); - } - while (oldval != 0); - - *futex = 2; -} - - -int -___lll_mutex_timedlock (futex, abstime, newval) - int *futex; - const struct timespec *abstime; - int newval; -{ - /* Reject invalid timeouts. */ - if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) - return EINVAL; - - int oldval; - do - { - /* Get the current time. */ - struct timeval tv; - __gettimeofday (&tv, NULL); - - /* Compute 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. */ - int err = lll_futex_timed_wait (futex, newval, &rt); - - /* If timed out return with an appropriate error. */ - if (err == -ETIMEDOUT) - return ETIMEDOUT; - - /* XXX oldval in undefined !!! */ - lll_compare_and_swap (futex, oldval, newval, "lr %2,%1; ahi %2,1"); - } - while (oldval != 0); - - *futex = 2; - - return 0; -} |