diff options
| -rw-r--r-- | cmds/installd/otapreopt_script.sh | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/cmds/installd/otapreopt_script.sh b/cmds/installd/otapreopt_script.sh index b7ad33144b..5690e2fe42 100644 --- a/cmds/installd/otapreopt_script.sh +++ b/cmds/installd/otapreopt_script.sh @@ -23,6 +23,9 @@ TARGET_SLOT="$1" STATUS_FD="$2" +# "1" if the script is triggered by the `UpdateEngine.triggerPostinstall` API. Empty otherwise. +TRIGGERED_BY_API="$3" + # Maximum number of packages/steps. MAXIMUM_PACKAGES=1000 @@ -53,25 +56,43 @@ fi # A source that infinitely emits arbitrary lines. # When connected to STDIN of another process, this source keeps STDIN open until # the consumer process closes STDIN or this script dies. +# In practice, the pm command keeps consuming STDIN, so we don't need to worry +# about running out of buffer space. function infinite_source { while echo .; do sleep 1 done } +if [[ "$TRIGGERED_BY_API" = "1" ]]; then + # During OTA installation, the script is called the first time, and + # `TRIGGERED_BY_API` can never be "1". `TRIGGERED_BY_API` being "1" means this + # is the second call to this script, through the + # `UpdateEngine.triggerPostinstall` API. + # When we reach here, it means Pre-reboot Dexopt is enabled in asynchronous + # mode and the job scheduler determined that it's the time to run the job. + # Start Pre-reboot Dexopt now and wait for it to finish. + infinite_source | pm art on-ota-staged --start + exit $? +fi + PR_DEXOPT_JOB_VERSION="$(pm art pr-dexopt-job --version)" if (( $? == 0 )) && (( $PR_DEXOPT_JOB_VERSION >= 3 )); then # Delegate to Pre-reboot Dexopt, a feature of ART Service. # ART Service decides what to do with this request: # - If Pre-reboot Dexopt is disabled or unsupported, the command returns - # non-zero. This is always the case if the current system is Android 14 or - # earlier. + # non-zero. + # This is always the case if the current system is Android 14 or earlier. # - If Pre-reboot Dexopt is enabled in synchronous mode, the command blocks - # until Pre-reboot Dexopt finishes, and returns zero no matter it succeeds or - # not. This is the default behavior if the current system is Android 15. - # - If Pre-reboot Dexopt is enabled in asynchronous mode, the command schedules - # an asynchronous job and returns 0 immediately. The job will then run by the - # job scheduler when the device is idle and charging. + # until Pre-reboot Dexopt finishes, and returns zero no matter it succeeds + # or not. + # This is the default behavior if the current system is Android 15. + # - If Pre-reboot Dexopt is enabled in asynchronous mode, the command + # schedules an asynchronous job and returns 0 immediately. + # Later, when the device is idle and charging, the job will be run by the + # job scheduler. It will call this script again through the + # `UpdateEngine.triggerPostinstall` API, with `TRIGGERED_BY_API` being "1". + # This is always the case if the current system is Android 16 or later. if infinite_source | pm art on-ota-staged --slot "$TARGET_SLOT_SUFFIX"; then # Handled by Pre-reboot Dexopt. exit 0 |