commit a4176578804e1b300f7652919161be035cf3cfd2
author Carl Shapiro <cshapiro@google.com> Tue Sep 28 17:38:03 2010 -0700
committer Android Git Automerger <android-git-automerger@android.com> Tue Sep 28 17:38:03 2010 -0700
tree 2f9a43b7b3f8df2dfbb583bb1be38860973ddb62
parent 579ca37361b2b1ea9aa62d6b450866e1f48db064
parent df2f5a07aecac7be4ac2d1100668a0396fd256e7

am df2f5a07: am d55f0adf: Qualify the source argument of atomic loads as a const pointer.

Merge commit 'df2f5a07aecac7be4ac2d1100668a0396fd256e7'

* commit 'df2f5a07aecac7be4ac2d1100668a0396fd256e7':
  Qualify the source argument of atomic loads as a const pointer.

include/cutils/atomic-arm.h

diff --git a/include/cutils/atomic-arm.h b/include/cutils/atomic-arm.h
index 3ed9af2..5e27d03 100644
--- a/include/cutils/atomic-arm.h
+++ b/include/cutils/atomic-arm.h
@@ -65,14 +65,14 @@
 }
 #endif
 
-extern inline int32_t android_atomic_acquire_load(volatile int32_t *ptr)
+extern inline int32_t android_atomic_acquire_load(volatile const int32_t *ptr)
 {
     int32_t value = *ptr;
     android_memory_barrier();
     return value;
 }
 
-extern inline int32_t android_atomic_release_load(volatile int32_t *ptr)
+extern inline int32_t android_atomic_release_load(volatile const int32_t *ptr)
 {
     android_memory_barrier();
     return *ptr;
@@ -212,11 +212,13 @@
 }
 #endif
 
-extern inline int32_t android_atomic_inc(volatile int32_t *addr) {
+extern inline int32_t android_atomic_inc(volatile int32_t *addr)
+{
     return android_atomic_add(1, addr);
 }
 
-extern inline int32_t android_atomic_dec(volatile int32_t *addr) {
+extern inline int32_t android_atomic_dec(volatile int32_t *addr)
+{
     return android_atomic_add(-1, addr);
 }
 

include/cutils/atomic-x86.h

diff --git a/include/cutils/atomic-x86.h b/include/cutils/atomic-x86.h
index 834379d..bce23ad 100644
--- a/include/cutils/atomic-x86.h
+++ b/include/cutils/atomic-x86.h
@@ -44,25 +44,29 @@
 }
 #endif
 
-extern inline int32_t android_atomic_acquire_load(volatile int32_t *ptr) {
+extern inline int32_t android_atomic_acquire_load(volatile const int32_t *ptr)
+{
     int32_t value = *ptr;
     android_compiler_barrier();
     return value;
 }
 
-extern inline int32_t android_atomic_release_load(volatile int32_t *ptr) {
+extern inline int32_t android_atomic_release_load(volatile const int32_t *ptr)
+{
     android_memory_barrier();
     return *ptr;
 }
 
 extern inline void android_atomic_acquire_store(int32_t value,
-                                                volatile int32_t *ptr) {
+                                                volatile int32_t *ptr)
+{
     *ptr = value;
     android_memory_barrier();
 }
 
 extern inline void android_atomic_release_store(int32_t value,
-                                                volatile int32_t *ptr) {
+                                                volatile int32_t *ptr)
+{
     android_compiler_barrier();
     *ptr = value;
 }
@@ -115,11 +119,13 @@
     return increment;
 }
 
-extern inline int32_t android_atomic_inc(volatile int32_t *addr) {
+extern inline int32_t android_atomic_inc(volatile int32_t *addr)
+{
     return android_atomic_add(1, addr);
 }
 
-extern inline int32_t android_atomic_dec(volatile int32_t *addr) {
+extern inline int32_t android_atomic_dec(volatile int32_t *addr)
+{
     return android_atomic_add(-1, addr);
 }
 

include/cutils/atomic.h

diff --git a/include/cutils/atomic.h b/include/cutils/atomic.h
index 3866848..a50bf0f 100644
--- a/include/cutils/atomic.h
+++ b/include/cutils/atomic.h
@@ -77,8 +77,8 @@
  * This is only necessary if you need the memory barrier.  A 32-bit read
  * from a 32-bit aligned address is atomic on all supported platforms.
  */
-int32_t android_atomic_acquire_load(volatile int32_t* addr);
-int32_t android_atomic_release_load(volatile int32_t* addr);
+int32_t android_atomic_acquire_load(volatile const int32_t* addr);
+int32_t android_atomic_release_load(volatile const int32_t* addr);
 
 /*
  * Perform an atomic store with "acquire" or "release" ordering.

libcutils/atomic-android-sh.c

diff --git a/libcutils/atomic-android-sh.c b/libcutils/atomic-android-sh.c
index abe7d25..f8f1f57 100644
--- a/libcutils/atomic-android-sh.c
+++ b/libcutils/atomic-android-sh.c
@@ -49,12 +49,12 @@
    &_swap_locks[((unsigned)(void*)(addr) >> 3U) % SWAP_LOCK_COUNT]
 
 
-int32_t android_atomic_acquire_load(volatile int32_t* addr)
+int32_t android_atomic_acquire_load(volatile const int32_t* addr)
 {
     return *addr;
 }
 
-int32_t android_atomic_release_load(volatile int32_t* addr)
+int32_t android_atomic_release_load(volatile const int32_t* addr)
 {
     return *addr;
 }