Check in released NDK version r4.

[android-x86/prebuilt.git] / ndk / android-ndk-r4 / linux / platforms / android-5 / arch-x86 / usr / include / asm / local_32.h

diff --git a/ndk/android-ndk-r4/linux/platforms/android-5/arch-x86/usr/include/asm/local_32.h b/ndk/android-ndk-r4/linux/platforms/android-5/arch-x86/usr/include/asm/local_32.h
new file mode 100644 (file)
index 0000000..fcad753
--- /dev/null
+++ b/ndk/android-ndk-r4/linux/platforms/android-5/arch-x86/usr/include/asm/local_32.h
@@ -0,0 +1,51 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _ARCH_I386_LOCAL_H
+#define _ARCH_I386_LOCAL_H
+
+#include <linux/percpu.h>
+#include <asm/system.h>
+#include <asm/atomic.h>
+
+typedef struct
+{
+ atomic_long_t a;
+} local_t;
+
+#define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) }
+
+#define local_read(l) atomic_long_read(&(l)->a)
+#define local_set(l,i) atomic_long_set(&(l)->a, (i))
+
+#define local_inc_return(l) (local_add_return(1,l))
+#define local_dec_return(l) (local_sub_return(1,l))
+#define local_cmpxchg(l, o, n)   (cmpxchg_local(&((l)->a.counter), (o), (n)))
+#define local_xchg(l, n) (xchg(&((l)->a.counter), (n)))
+#define local_add_unless(l, a, u)  ({   long c, old;   c = local_read(l);   for (;;) {   if (unlikely(c == (u)))   break;   old = local_cmpxchg((l), c, c + (a));   if (likely(old == c))   break;   c = old;   }   c != (u);  })
+#define local_inc_not_zero(l) local_add_unless((l), 1, 0)
+#define __local_inc(l) local_inc(l)
+#define __local_dec(l) local_dec(l)
+#define __local_add(i,l) local_add((i),(l))
+#define __local_sub(i,l) local_sub((i),(l))
+#define cpu_local_wrap_v(l)   ({ local_t res__;   preempt_disable();   res__ = (l);   preempt_enable();   res__; })
+#define cpu_local_wrap(l)   ({ preempt_disable();   l;   preempt_enable(); })  
+#define cpu_local_read(l) cpu_local_wrap_v(local_read(&__get_cpu_var(l)))
+#define cpu_local_set(l, i) cpu_local_wrap(local_set(&__get_cpu_var(l), (i)))
+#define cpu_local_inc(l) cpu_local_wrap(local_inc(&__get_cpu_var(l)))
+#define cpu_local_dec(l) cpu_local_wrap(local_dec(&__get_cpu_var(l)))
+#define cpu_local_add(i, l) cpu_local_wrap(local_add((i), &__get_cpu_var(l)))
+#define cpu_local_sub(i, l) cpu_local_wrap(local_sub((i), &__get_cpu_var(l)))
+#define __cpu_local_inc(l) cpu_local_inc(l)
+#define __cpu_local_dec(l) cpu_local_dec(l)
+#define __cpu_local_add(i, l) cpu_local_add((i), (l))
+#define __cpu_local_sub(i, l) cpu_local_sub((i), (l))
+#endif