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authorLennart Poettering <lennart@poettering.net>2006-09-26 23:50:56 +0000
committerLennart Poettering <lennart@poettering.net>2006-09-26 23:50:56 +0000
commitd210ebbb09daddb2c8c8e8e77243e088b0b19c4d (patch)
tree6ca5cc7add195f5a59778df4b0ff44f2881a0c12 /src/tests/channelmap-test.c
parent5ad143b3aba3e5bd0d528feb3143dd9cd2f1e845 (diff)
rework memory block management to be thread-safe and mostly lock-free.
pa_memblock is now an opaque structure. Access to its fields is now done through various accessor functions in a thread-safe manner. pa_memblock_acquire() and pa_memblock_release() are now used to access the attached audio data. Why? To allow safe manipulation of the memory pointer maintained by the memory block. Internally _acquire() and _release() maintain a reference counter. Please do not confuse this reference counter whith the one maintained by pa_memblock_ref()/_unref()! As a side effect this patch removes all direct usages of AO_t and replaces it with pa_atomic_xxx based code. This stuff needs some serious testing love. Especially if threads are actively used. git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1404 fefdeb5f-60dc-0310-8127-8f9354f1896f
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