Merge "Notify the ART runtime when boot is complete."
diff --git a/core/java/android/os/ZygoteProcess.java b/core/java/android/os/ZygoteProcess.java
index e8f4641..d438103 100644
--- a/core/java/android/os/ZygoteProcess.java
+++ b/core/java/android/os/ZygoteProcess.java
@@ -648,6 +648,31 @@
}
/**
+ * Notify the Zygote processes that boot completed.
+ */
+ public void bootCompleted() {
+ // Notify both the 32-bit and 64-bit zygote.
+ if (Build.SUPPORTED_32_BIT_ABIS.length > 0) {
+ bootCompleted(Build.SUPPORTED_32_BIT_ABIS[0]);
+ }
+ if (Build.SUPPORTED_64_BIT_ABIS.length > 0) {
+ bootCompleted(Build.SUPPORTED_64_BIT_ABIS[0]);
+ }
+ }
+
+ private void bootCompleted(String abi) {
+ try {
+ synchronized (mLock) {
+ ZygoteState state = openZygoteSocketIfNeeded(abi);
+ state.mZygoteOutputWriter.write("1\n--boot-completed\n");
+ state.mZygoteOutputWriter.flush();
+ }
+ } catch (Exception ex) {
+ throw new RuntimeException("Failed to inform zygote of boot_completed", ex);
+ }
+ }
+
+ /**
* Push hidden API blacklisting exemptions into the zygote process(es).
*
* <p>The list of exemptions will take affect for all new processes forked from the zygote after
diff --git a/core/java/com/android/internal/os/ZygoteArguments.java b/core/java/com/android/internal/os/ZygoteArguments.java
index af90b15..c64103f 100644
--- a/core/java/com/android/internal/os/ZygoteArguments.java
+++ b/core/java/com/android/internal/os/ZygoteArguments.java
@@ -169,6 +169,11 @@
boolean mPidQuery;
/**
+ * Whether the current arguments constitute a notification that boot completed.
+ */
+ boolean mBootCompleted;
+
+ /**
* Exemptions from API blacklisting. These are sent to the pre-forked zygote at boot time, or
* when they change, via --set-api-blacklist-exemptions.
*/
@@ -330,6 +335,8 @@
mAbiListQuery = true;
} else if (arg.equals("--get-pid")) {
mPidQuery = true;
+ } else if (arg.equals("--boot-completed")) {
+ mBootCompleted = true;
} else if (arg.startsWith("--instruction-set=")) {
mInstructionSet = arg.substring(arg.indexOf('=') + 1);
} else if (arg.startsWith("--app-data-dir=")) {
@@ -364,7 +371,11 @@
}
}
- if (mAbiListQuery || mPidQuery) {
+ if (mBootCompleted) {
+ if (args.length - curArg > 0) {
+ throw new IllegalArgumentException("Unexpected arguments after --boot-completed");
+ }
+ } else if (mAbiListQuery || mPidQuery) {
if (args.length - curArg > 0) {
throw new IllegalArgumentException("Unexpected arguments after --query-abi-list.");
}
diff --git a/core/java/com/android/internal/os/ZygoteConnection.java b/core/java/com/android/internal/os/ZygoteConnection.java
index ad9f64c..fc25a47 100644
--- a/core/java/com/android/internal/os/ZygoteConnection.java
+++ b/core/java/com/android/internal/os/ZygoteConnection.java
@@ -149,6 +149,11 @@
parsedArgs = new ZygoteArguments(args);
+ if (parsedArgs.mBootCompleted) {
+ handleBootCompleted();
+ return null;
+ }
+
if (parsedArgs.mAbiListQuery) {
handleAbiListQuery();
return null;
@@ -291,6 +296,10 @@
}
}
+ private void handleBootCompleted() {
+ VMRuntime.bootCompleted();
+ }
+
/**
* Preloads resources if the zygote is in lazily preload mode. Writes the result of the
* preload operation; {@code 0} when a preload was initiated due to this request and {@code 1}
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 27ef4a7..78b2914 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -7898,6 +7898,10 @@
}
}
+ // Let the ART runtime in zygote and system_server know that the boot completed.
+ ZYGOTE_PROCESS.bootCompleted();
+ VMRuntime.bootCompleted();
+
IntentFilter pkgFilter = new IntentFilter();
pkgFilter.addAction(Intent.ACTION_QUERY_PACKAGE_RESTART);
pkgFilter.addDataScheme("package");
