diff options
| -rw-r--r-- | services/core/java/com/android/server/am/ActivityManagerService.java | 113 |
1 files changed, 57 insertions, 56 deletions
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java index a6d103136c8a..ae240bdd1c01 100644 --- a/services/core/java/com/android/server/am/ActivityManagerService.java +++ b/services/core/java/com/android/server/am/ActivityManagerService.java @@ -12260,65 +12260,66 @@ public class ActivityManagerService extends IActivityManager.Stub } final long origId = Binder.clearCallingIdentity(); + try { + checkTime(startTime, "getContentProviderImpl: incProviderCountLocked"); + + // Return the provider instance right away since it already exists. + conn = incProviderCountLocked(r, cpr, token, stable); + if (conn != null && (conn.stableCount+conn.unstableCount) == 1) { + if (cpr.proc != null && r.setAdj <= ProcessList.PERCEPTIBLE_APP_ADJ) { + // If this is a perceptible app accessing the provider, + // make sure to count it as being accessed and thus + // back up on the LRU list. This is good because + // content providers are often expensive to start. + checkTime(startTime, "getContentProviderImpl: before updateLruProcess"); + updateLruProcessLocked(cpr.proc, false, null); + checkTime(startTime, "getContentProviderImpl: after updateLruProcess"); + } + } - checkTime(startTime, "getContentProviderImpl: incProviderCountLocked"); - - // In this case the provider instance already exists, so we can - // return it right away. - conn = incProviderCountLocked(r, cpr, token, stable); - if (conn != null && (conn.stableCount+conn.unstableCount) == 1) { - if (cpr.proc != null && r.setAdj <= ProcessList.PERCEPTIBLE_APP_ADJ) { - // If this is a perceptible app accessing the provider, - // make sure to count it as being accessed and thus - // back up on the LRU list. This is good because - // content providers are often expensive to start. - checkTime(startTime, "getContentProviderImpl: before updateLruProcess"); - updateLruProcessLocked(cpr.proc, false, null); - checkTime(startTime, "getContentProviderImpl: after updateLruProcess"); - } - } - - checkTime(startTime, "getContentProviderImpl: before updateOomAdj"); - final int verifiedAdj = cpr.proc.verifiedAdj; - boolean success = updateOomAdjLocked(cpr.proc, true); - // XXX things have changed so updateOomAdjLocked doesn't actually tell us - // if the process has been successfully adjusted. So to reduce races with - // it, we will check whether the process still exists. Note that this doesn't - // completely get rid of races with LMK killing the process, but should make - // them much smaller. - if (success && verifiedAdj != cpr.proc.setAdj && !isProcessAliveLocked(cpr.proc)) { - success = false; - } - maybeUpdateProviderUsageStatsLocked(r, cpr.info.packageName, name); - checkTime(startTime, "getContentProviderImpl: after updateOomAdj"); - if (DEBUG_PROVIDER) Slog.i(TAG_PROVIDER, "Adjust success: " + success); - // NOTE: there is still a race here where a signal could be - // pending on the process even though we managed to update its - // adj level. Not sure what to do about this, but at least - // the race is now smaller. - if (!success) { - // Uh oh... it looks like the provider's process - // has been killed on us. We need to wait for a new - // process to be started, and make sure its death - // doesn't kill our process. - Slog.i(TAG, "Existing provider " + cpr.name.flattenToShortString() - + " is crashing; detaching " + r); - boolean lastRef = decProviderCountLocked(conn, cpr, token, stable); - checkTime(startTime, "getContentProviderImpl: before appDied"); - appDiedLocked(cpr.proc); - checkTime(startTime, "getContentProviderImpl: after appDied"); - if (!lastRef) { - // This wasn't the last ref our process had on - // the provider... we have now been killed, bail. - return null; + checkTime(startTime, "getContentProviderImpl: before updateOomAdj"); + final int verifiedAdj = cpr.proc.verifiedAdj; + boolean success = updateOomAdjLocked(cpr.proc, true); + // XXX things have changed so updateOomAdjLocked doesn't actually tell us + // if the process has been successfully adjusted. So to reduce races with + // it, we will check whether the process still exists. Note that this doesn't + // completely get rid of races with LMK killing the process, but should make + // them much smaller. + if (success && verifiedAdj != cpr.proc.setAdj + && !isProcessAliveLocked(cpr.proc)) { + success = false; + } + maybeUpdateProviderUsageStatsLocked(r, cpr.info.packageName, name); + checkTime(startTime, "getContentProviderImpl: after updateOomAdj"); + if (DEBUG_PROVIDER) Slog.i(TAG_PROVIDER, "Adjust success: " + success); + // NOTE: there is still a race here where a signal could be + // pending on the process even though we managed to update its + // adj level. Not sure what to do about this, but at least + // the race is now smaller. + if (!success) { + // Uh oh... it looks like the provider's process + // has been killed on us. We need to wait for a new + // process to be started, and make sure its death + // doesn't kill our process. + Slog.i(TAG, "Existing provider " + cpr.name.flattenToShortString() + + " is crashing; detaching " + r); + boolean lastRef = decProviderCountLocked(conn, cpr, token, stable); + checkTime(startTime, "getContentProviderImpl: before appDied"); + appDiedLocked(cpr.proc); + checkTime(startTime, "getContentProviderImpl: after appDied"); + if (!lastRef) { + // This wasn't the last ref our process had on + // the provider... we have now been killed, bail. + return null; + } + providerRunning = false; + conn = null; + } else { + cpr.proc.verifiedAdj = cpr.proc.setAdj; } - providerRunning = false; - conn = null; - } else { - cpr.proc.verifiedAdj = cpr.proc.setAdj; + } finally { + Binder.restoreCallingIdentity(origId); } - - Binder.restoreCallingIdentity(origId); } if (!providerRunning) { |