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authorBrad Fitzpatrick <bradfitz@android.com>2011-03-17 15:41:20 -0700
committerBrad Fitzpatrick <bradfitz@android.com>2011-03-22 14:03:08 -0700
commit13aa8ad44570bceef73115cea749b11f30888530 (patch)
tree156695b75e5e3ff9f88f6a165520d1ff516678db /include
parent15d09854a8b2a1adf2fa5123ff77b9882afd6c22 (diff)
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SocketClient: add optional reference counting
Needed to fix a race in netd. Bug: 3438459 Change-Id: Icd7f5f035510235f733a25c0621479d3e644b152
Diffstat (limited to 'include')
-rw-r--r--include/sysutils/SocketClient.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/sysutils/SocketClient.h b/include/sysutils/SocketClient.h
index 2fcc331..ef6dd9b 100644
--- a/include/sysutils/SocketClient.h
+++ b/include/sysutils/SocketClient.h
@@ -19,6 +19,10 @@ class SocketClient {
/* Peer group ID */
gid_t mGid;
+ /* Reference count (starts at 1) */
+ pthread_mutex_t mRefCountMutex;
+ int mRefCount;
+
public:
SocketClient(int sock);
virtual ~SocketClient() {}
@@ -34,6 +38,13 @@ public:
// Sending binary data:
int sendData(const void *data, int len);
+
+ // Optional reference counting. Reference count starts at 1. If
+ // it's decremented to 0, it deletes itself.
+ // SocketListener creates a SocketClient (at refcount 1) and calls
+ // decRef() when it's done with the client.
+ void incRef();
+ void decRef();
};
typedef android::List<SocketClient *> SocketClientCollection;