diff options
Diffstat (limited to 'services/audioflinger/FastThreadDumpState.h')
| -rw-r--r-- | services/audioflinger/FastThreadDumpState.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/services/audioflinger/FastThreadDumpState.h b/services/audioflinger/FastThreadDumpState.h index bbca7da..1ce0914 100644 --- a/services/audioflinger/FastThreadDumpState.h +++ b/services/audioflinger/FastThreadDumpState.h @@ -22,7 +22,12 @@ namespace android { -// FIXME extract common part of comment at FastMixerDumpState +// The FastThreadDumpState keeps a cache of FastThread statistics that can be logged by dumpsys. +// Each individual native word-sized field is accessed atomically. But the +// overall structure is non-atomic, that is there may be an inconsistency between fields. +// No barriers or locks are used for either writing or reading. +// Only POD types are permitted, and the contents shouldn't be trusted (i.e. do range checks). +// It has a different lifetime than the FastThread, and so it can't be a member of FastThread. struct FastThreadDumpState { FastThreadDumpState(); /*virtual*/ ~FastThreadDumpState(); |