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Diffstat (limited to 'libs/binder/IMemory.cpp')
-rw-r--r--libs/binder/IMemory.cpp29
1 files changed, 28 insertions, 1 deletions
diff --git a/libs/binder/IMemory.cpp b/libs/binder/IMemory.cpp
index fb8d620..f59867a 100644
--- a/libs/binder/IMemory.cpp
+++ b/libs/binder/IMemory.cpp
@@ -33,6 +33,10 @@
#include <binder/Parcel.h>
#include <utils/CallStack.h>
+#ifdef USE_MEMORY_HEAP_ION
+#include "ion.h"
+#endif
+
#define VERBOSE 0
namespace android {
@@ -312,6 +316,14 @@ void BpMemoryHeap::assertReallyMapped() const
IInterface::asBinder(this).get(),
parcel_fd, size, err, strerror(-err));
+#ifdef USE_MEMORY_HEAP_ION
+ ion_client ion_client_num = -1;
+ if (flags & USE_ION_FD) {
+ ion_client_num = ion_client_create();
+ ALOGE_IF(ion_client_num < 0, "BpMemoryHeap : ion client creation error");
+ }
+#endif
+
int fd = dup( parcel_fd );
ALOGE_IF(fd==-1, "cannot dup fd=%d, size=%zd, err=%d (%s)",
parcel_fd, size, err, strerror(errno));
@@ -324,7 +336,16 @@ void BpMemoryHeap::assertReallyMapped() const
Mutex::Autolock _l(mLock);
if (mHeapId == -1) {
mRealHeap = true;
- mBase = mmap(0, size, access, MAP_SHARED, fd, offset);
+
+#ifdef USE_MEMORY_HEAP_ION
+ if (flags & USE_ION_FD) {
+ if (ion_client_num < 0)
+ mBase = MAP_FAILED;
+ else
+ mBase = ion_map(fd, size, offset);
+ } else
+#endif
+ mBase = mmap(0, size, access, MAP_SHARED, fd, offset);
if (mBase == MAP_FAILED) {
ALOGE("cannot map BpMemoryHeap (binder=%p), size=%zd, fd=%d (%s)",
IInterface::asBinder(this).get(), size, fd, strerror(errno));
@@ -336,6 +357,12 @@ void BpMemoryHeap::assertReallyMapped() const
android_atomic_write(fd, &mHeapId);
}
}
+#ifdef USE_MEMORY_HEAP_ION
+ if (ion_client_num < 0)
+ ion_client_num = -1;
+ else
+ ion_client_destroy(ion_client_num);
+#endif
}
}