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am 88061d6b: am 5462bc63: Fix a leak in Parcel::writeBlob.

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* commit '88061d6b38cfb4bf374039846b753a3b21ac61e1':
  Fix a leak in Parcel::writeBlob.
This commit is contained in:
Jeff Brown 2011-11-07 15:51:31 +00:00 committed by Android Git Automerger
commit c17f56fdf1
2 changed files with 6 additions and 10 deletions
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3
include/binder/Parcel.h
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@ -110,7 +110,8 @@ public:
// Place a file descriptor into the parcel. The given fd must remain
// valid for the lifetime of the parcel.
status_t writeFileDescriptor(int fd);
// The Parcel does not take ownership of the given fd unless you ask it to.
status_t writeFileDescriptor(int fd, bool takeOwnership = false);
// Place a file descriptor into the parcel. A dup of the fd is made, which
// will be closed once the parcel is destroyed.

13
libs/binder/Parcel.cpp
View File

@ -710,24 +710,19 @@ status_t Parcel::writeNativeHandle(const native_handle* handle)
return err;
}
status_t Parcel::writeFileDescriptor(int fd)
status_t Parcel::writeFileDescriptor(int fd, bool takeOwnership)
{
flat_binder_object obj;
obj.type = BINDER_TYPE_FD;
obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS;
obj.handle = fd;
obj.cookie = (void*)0;
obj.cookie = (void*) (takeOwnership ? 1 : 0);
return writeObject(obj, true);
}
status_t Parcel::writeDupFileDescriptor(int fd)
{
flat_binder_object obj;
obj.type = BINDER_TYPE_FD;
obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS;
obj.handle = dup(fd);
obj.cookie = (void*)1;
return writeObject(obj, true);
return writeFileDescriptor(dup(fd), true /*takeOwnership*/);
}
status_t Parcel::writeBlob(size_t len, WritableBlob* outBlob)
@ -764,7 +759,7 @@ status_t Parcel::writeBlob(size_t len, WritableBlob* outBlob)
} else {
status = writeInt32(1);
if (!status) {
status = writeFileDescriptor(fd);
status = writeFileDescriptor(fd, true /*takeOwnership*/);
if (!status) {
outBlob->init(true /*mapped*/, ptr, len);
return NO_ERROR;