Commit 69a5f6c3 authored Sep 02, 2011 by Andreas Huber

Properly serialize access to FileSource::getSize by acquiring the mutex

Both ::getSize and ::read call into lseek64, if this happens simultaneously
from multiple threads the results are undefined if not properly serialized.

Change-Id: I737cafebd836f3d8eb702beac557b4731f69c6f6
related-to-bug: 5196490

parent bffb83e9

media/libstagefright/FileSource.cpp

+2 −0

Original line number	Diff line number	Diff line
		@@ -110,6 +110,8 @@ ssize_t FileSource::readAt(off64_t offset, void *data, size_t size) {
		}

		status_t FileSource::getSize(off64_t *size) {
		Mutex::Autolock autoLock(mLock);

		if (mFd < 0) {
		return NO_INIT;
		}