e91740a588
Audio HAL server needs to set SCHED_FIFO scheduling policy for its threads that communicate with FastMixer threads of AudioFlinger that use the same scheduler. Bug: 30222631 Change-Id: I405a69d097a6bfed455e3483365b27c4004e1063
36 lines
1 KiB
Text
36 lines
1 KiB
Text
hwbinder_use(hal_audio)
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binder_use(hal_audio)
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binder_call(hal_audio, audioserver)
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binder_call(hal_audio, system_server)
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allow hal_audio ion_device:chr_file r_file_perms;
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allow hal_audio system_file:dir { open read };
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userdebug_or_eng(`
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# used for pcm capture for debug.
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allow hal_audio audiohal_data_file:dir create_dir_perms;
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allow hal_audio audiohal_data_file:file create_file_perms;
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')
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r_dir_file(hal_audio, proc)
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allow hal_audio audio_device:dir r_dir_perms;
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allow hal_audio audio_device:chr_file rw_file_perms;
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allow hal_audio scheduling_policy_service:service_manager find;
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# Needed on some devices for playing audio on paired BT device,
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# but seems appropriate for all devices.
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unix_socket_connect(hal_audio, bluetooth, bluetooth)
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###
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### neverallow rules
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###
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# hal_audio should never execute any executable without
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# a domain transition
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neverallow hal_audio { file_type fs_type }:file execute_no_trans;
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# hal_audio should never need network access.
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# Disallow network sockets.
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neverallow hal_audio domain:{ tcp_socket udp_socket rawip_socket } *;
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