Merge "ActivityManager: create process group in behalf of app zygote" into sc-dev
diff --git a/core/java/android/os/Process.java b/core/java/android/os/Process.java
index 8068c87..54d2df8 100644
--- a/core/java/android/os/Process.java
+++ b/core/java/android/os/Process.java
@@ -970,6 +970,16 @@
throws IllegalArgumentException, SecurityException;
/**
+ *
+ * Create a new process group in the cgroup uid/pid hierarchy
+ *
+ * @return <0 in case of error
+ *
+ * @hide
+ */
+ public static final native int createProcessGroup(int uid, int pid);
+
+ /**
* On some devices, the foreground process may have one or more CPU
* cores exclusively reserved for it. This method can be used to
* retrieve which cores that are (if any), so the calling process
diff --git a/core/jni/android_util_Process.cpp b/core/jni/android_util_Process.cpp
index c08363b..dcfa950 100644
--- a/core/jni/android_util_Process.cpp
+++ b/core/jni/android_util_Process.cpp
@@ -377,6 +377,10 @@
return (int) sp;
}
+jint android_os_Process_createProcessGroup(JNIEnv* env, jobject clazz, jint uid, jint pid) {
+ return createProcessGroup(uid, pid);
+}
+
/** Sample CPUset list format:
* 0-3,4,6-8
*/
@@ -1358,6 +1362,7 @@
{"setThreadGroupAndCpuset", "(II)V", (void*)android_os_Process_setThreadGroupAndCpuset},
{"setProcessGroup", "(II)V", (void*)android_os_Process_setProcessGroup},
{"getProcessGroup", "(I)I", (void*)android_os_Process_getProcessGroup},
+ {"createProcessGroup", "(II)I", (void*)android_os_Process_createProcessGroup},
{"getExclusiveCores", "()[I", (void*)android_os_Process_getExclusiveCores},
{"setSwappiness", "(IZ)Z", (void*)android_os_Process_setSwappiness},
{"setArgV0", "(Ljava/lang/String;)V", (void*)android_os_Process_setArgV0},
diff --git a/services/core/java/com/android/server/am/ProcessList.java b/services/core/java/com/android/server/am/ProcessList.java
index 0576345..172f707 100644
--- a/services/core/java/com/android/server/am/ProcessList.java
+++ b/services/core/java/com/android/server/am/ProcessList.java
@@ -2407,6 +2407,11 @@
app.getDisabledCompatChanges(), pkgDataInfoMap, allowlistedAppDataInfoMap,
false, false,
new String[]{PROC_START_SEQ_IDENT + app.getStartSeq()});
+
+ if (Process.createProcessGroup(uid, startResult.pid) < 0) {
+ Slog.e(ActivityManagerService.TAG, "Unable to create process group for "
+ + app.processName + " (" + startResult.pid + ")");
+ }
} else {
startResult = Process.start(entryPoint,
app.processName, uid, uid, gids, runtimeFlags, mountExternal,