diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_wait.c')
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_wait.c | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_wait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_wait.c deleted file mode 100644 index d9fcdcd4ee..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_wait.c +++ /dev/null @@ -1,74 +0,0 @@ -/* sem_wait -- wait on a semaphore. SPARC version. - Copyright (C) 2003, 2006 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Paul Mackerras <paulus@au.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 <internaltypes.h> -#include <semaphore.h> - -#include <pthreadP.h> -#include <shlib-compat.h> - - -int -__new_sem_wait (sem_t *sem) -{ - /* First check for cancellation. */ - CANCELLATION_P (THREAD_SELF); - - int *futex = (int *) sem; - int err; - - do - { - int val; - if (__atomic_is_v9) - val = atomic_decrement_if_positive (futex); - else - { - __sparc32_atomic_do_lock24 (futex + 1); - val = *futex; - if (val > 0) - *futex = val - 1; - __sparc32_atomic_do_unlock24 (futex + 1); - } - if (val > 0) - return 0; - - /* Enable asynchronous cancellation. Required by the standard. */ - int oldtype = __pthread_enable_asynccancel (); - - err = lll_futex_wait (futex, 0); - - /* Disable asynchronous cancellation. */ - __pthread_disable_asynccancel (oldtype); - } - while (err == 0 || err == -EWOULDBLOCK); - - __set_errno (-err); - return -1; -} - -versioned_symbol (libpthread, __new_sem_wait, sem_wait, GLIBC_2_1); -#if SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_1) -strong_alias (__new_sem_wait, __old_sem_wait) -compat_symbol (libpthread, __old_sem_wait, sem_wait, GLIBC_2_0); -#endif |