diff options
author | Waldemar Brodkorb <wbx@openadk.org> | 2014-09-01 20:44:20 +0200 |
---|---|---|
committer | Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> | 2014-09-04 13:56:34 +0200 |
commit | 6d550ddd129b18cf800eab604f74536754526cd8 (patch) | |
tree | a6c883676885f2e30878cdc3a0964db2e60322be /libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c | |
parent | b212e3804fb155cb418852dd70abad9a3d2354cc (diff) |
sparc: remove sparc64/sparcv9 code
The sparc64/sparcv9 code is incomplete. Furthermore there is
no real embedded hardware for sparc64 available, so better remove
it until someone comes up with a complete port.
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c')
-rw-r--r-- | libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c deleted file mode 100644 index 36e859ba4..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c +++ /dev/null @@ -1,51 +0,0 @@ -/* sem_trywait -- wait on a semaphore. SPARC version. - Copyright (C) 2003, 2006, 2007 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, see - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <sysdep.h> -#include <lowlevellock.h> -#include <internaltypes.h> -#include <semaphore.h> - - -int -sem_trywait (sem_t *sem) -{ - struct sparc_old_sem *isem = (struct sparc_old_sem *) sem; - int val; - - if (isem->value > 0) - { - if (__atomic_is_v9) - val = atomic_decrement_if_positive (&isem->value); - else - { - __sparc32_atomic_do_lock24 (&isem->lock); - val = isem->value; - if (val > 0) - isem->value = val - 1; - __sparc32_atomic_do_unlock24 (&isem->lock); - } - if (val > 0) - return 0; - } - - __set_errno (EAGAIN); - return -1; -} |