cae68d4f6a
To match the Linux kernel source code structure from where this code came from. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-1ldjhvioch1uczilno5e1epl@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
22 lines
616 B
C
22 lines
616 B
C
#ifndef _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_
|
|
#define _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_
|
|
|
|
#include <asm/types.h>
|
|
|
|
static inline void set_bit(int nr, unsigned long *addr)
|
|
{
|
|
addr[nr / __BITS_PER_LONG] |= 1UL << (nr % __BITS_PER_LONG);
|
|
}
|
|
|
|
static inline void clear_bit(int nr, unsigned long *addr)
|
|
{
|
|
addr[nr / __BITS_PER_LONG] &= ~(1UL << (nr % __BITS_PER_LONG));
|
|
}
|
|
|
|
static __always_inline int test_bit(unsigned int nr, const unsigned long *addr)
|
|
{
|
|
return ((1UL << (nr % __BITS_PER_LONG)) &
|
|
(((unsigned long *)addr)[nr / __BITS_PER_LONG])) != 0;
|
|
}
|
|
|
|
#endif /* _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_ */
|