diff options
Diffstat (limited to 'libc/sysdeps/linux/common/bits/atomicity.h')
-rw-r--r-- | libc/sysdeps/linux/common/bits/atomicity.h | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/libc/sysdeps/linux/common/bits/atomicity.h b/libc/sysdeps/linux/common/bits/atomicity.h deleted file mode 100644 index 57bcaad5d..000000000 --- a/libc/sysdeps/linux/common/bits/atomicity.h +++ /dev/null @@ -1,54 +0,0 @@ -/* Low-level functions for atomic operations. Stub version. - Copyright (C) 1997,2001 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. */ - -#ifndef _ATOMICITY_H -#define _ATOMICITY_H 1 - -#include <inttypes.h> - -#warning stub atomicity functions are not really atomic - -static inline int -__attribute_used__ -exchange_and_add (volatile uint32_t *mem, int val) -{ - int result = *mem; - *mem += val; - return result; -} - -static inline void -__attribute_used__ -atomic_add (volatile uint32_t *mem, int val) -{ - *mem += val; -} - -static inline int -__attribute_used__ -compare_and_swap (volatile long int *p, long int oldval, long int newval) -{ - if (*p != oldval) - return 0; - - *p = newval; - return 1; -} - -#endif /* atomicity.h */ |