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Merge "Add some Process APIs to test_current" into tm-dev

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This commit is contained in:
Gavin Corkery
2022-03-03 20:57:51 +00:00
committed by Android (Google) Code Review
parent 23e2cc15da b9c52eb96c
commit 0214bd512e
4 changed files with 43 additions and 39 deletions
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2
core/api/module-lib-current.txt
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@@ -364,7 +364,7 @@ package android.os {
public class Process {
method public static final boolean isSdkSandboxUid(int);
method public static final int toAppUid(int);
method public static final int sdkSandboxToAppUid(int);
method public static final int toSdkSandboxUid(int);
field public static final int NFC_UID = 1027; // 0x403
field public static final int VPN_UID = 1016; // 0x3f8

2
core/api/test-current.txt
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@@ -1778,6 +1778,8 @@ package android.os {
public class Process {
method public static final int getThreadScheduler(int) throws java.lang.IllegalArgumentException;
method public static final boolean isSdkSandboxUid(int);
method public static final int sdkSandboxToAppUid(int);
method public static final int toSdkSandboxUid(int);
field public static final int FIRST_APP_ZYGOTE_ISOLATED_UID = 90000; // 0x15f90
field public static final int FIRST_ISOLATED_UID = 99000; // 0x182b8

76
core/java/android/os/Process.java
View File

@@ -374,7 +374,7 @@ public class Process {
* ** Keep in sync with utils/threads.h **
* ***************************************
*/
/**
* Lowest available thread priority. Only for those who really, really
* don't want to run if anything else is happening.
@@ -383,7 +383,7 @@ public class Process {
* {@link java.lang.Thread} class.
*/
public static final int THREAD_PRIORITY_LOWEST = 19;
/**
* Standard priority background threads. This gives your thread a slightly
* lower than normal priority, so that it will have less chance of impacting
@@ -393,7 +393,7 @@ public class Process {
* {@link java.lang.Thread} class.
*/
public static final int THREAD_PRIORITY_BACKGROUND = 10;
/**
* Standard priority of threads that are currently running a user interface
* that the user is interacting with. Applications can not normally
@@ -404,7 +404,7 @@ public class Process {
* {@link java.lang.Thread} class.
*/
public static final int THREAD_PRIORITY_FOREGROUND = -2;
/**
* Standard priority of system display threads, involved in updating
* the user interface. Applications can not
@@ -414,7 +414,7 @@ public class Process {
* {@link java.lang.Thread} class.
*/
public static final int THREAD_PRIORITY_DISPLAY = -4;
/**
* Standard priority of the most important display threads, for compositing
* the screen and retrieving input events. Applications can not normally
@@ -654,19 +654,19 @@ public class Process {
/**
* Start a new process.
*
*
* <p>If processes are enabled, a new process is created and the
* static main() function of a <var>processClass</var> is executed there.
* The process will continue running after this function returns.
*
*
* <p>If processes are not enabled, a new thread in the caller's
* process is created and main() of <var>processClass</var> called there.
*
*
* <p>The niceName parameter, if not an empty string, is a custom name to
* give to the process instead of using processClass. This allows you to
* make easily identifyable processes even if you are using the same base
* <var>processClass</var> to start them.
*
*
* When invokeWith is not null, the process will be started as a fresh app
* and not a zygote fork. Note that this is only allowed for uid 0 or when
* runtimeFlags contains DEBUG_ENABLE_DEBUGGER.
@@ -906,6 +906,7 @@ public class Process {
* @hide
*/
@SystemApi(client = MODULE_LIBRARIES)
@TestApi
public static final boolean isSdkSandboxUid(int uid) {
uid = UserHandle.getAppId(uid);
return (uid >= FIRST_SDK_SANDBOX_UID && uid <= LAST_SDK_SANDBOX_UID);
@@ -913,12 +914,13 @@ public class Process {
/**
*
* Returns the app process corresponding to a sdk sandbox process.
* Returns the app process corresponding to an sdk sandbox process.
*
* @hide
*/
@SystemApi(client = MODULE_LIBRARIES)
public static final int toAppUid(int uid) {
@TestApi
public static final int sdkSandboxToAppUid(int uid) {
return uid - (FIRST_SDK_SANDBOX_UID - FIRST_APPLICATION_UID);
}
@@ -947,7 +949,7 @@ public class Process {
* directly to a uid.
*/
public static final native int getUidForName(String name);
/**
* Returns the GID assigned to a particular user name, or -1 if there is
* none. If the given string consists of only numbers, it is converted
@@ -1002,11 +1004,11 @@ public class Process {
/**
* Set the priority of a thread, based on Linux priorities.
*
*
* @param tid The identifier of the thread/process to change.
* @param priority A Linux priority level, from -20 for highest scheduling
* priority to 19 for lowest scheduling priority.
*
*
* @throws IllegalArgumentException Throws IllegalArgumentException if
* <var>tid</var> does not exist.
* @throws SecurityException Throws SecurityException if your process does
@@ -1065,7 +1067,7 @@ public class Process {
* @hide
* @param pid The identifier of the process to change.
* @param group The target group for this process from THREAD_GROUP_*.
*
*
* @throws IllegalArgumentException Throws IllegalArgumentException if
* <var>tid</var> does not exist.
* @throws SecurityException Throws SecurityException if your process does
@@ -1154,37 +1156,37 @@ public class Process {
/**
* Set the priority of the calling thread, based on Linux priorities. See
* {@link #setThreadPriority(int, int)} for more information.
*
*
* @param priority A Linux priority level, from -20 for highest scheduling
* priority to 19 for lowest scheduling priority.
*
*
* @throws IllegalArgumentException Throws IllegalArgumentException if
* <var>tid</var> does not exist.
* @throws SecurityException Throws SecurityException if your process does
* not have permission to modify the given thread, or to use the given
* priority.
*
*
* @see #setThreadPriority(int, int)
*/
public static final native void setThreadPriority(int priority)
throws IllegalArgumentException, SecurityException;
/**
* Return the current priority of a thread, based on Linux priorities.
*
*
* @param tid The identifier of the thread/process. If tid equals zero, the priority of the
* calling process/thread will be returned.
*
*
* @return Returns the current priority, as a Linux priority level,
* from -20 for highest scheduling priority to 19 for lowest scheduling
* priority.
*
*
* @throws IllegalArgumentException Throws IllegalArgumentException if
* <var>tid</var> does not exist.
*/
public static final native int getThreadPriority(int tid)
throws IllegalArgumentException;
/**
* Return the current scheduling policy of a thread, based on Linux.
*
@@ -1198,7 +1200,7 @@ public class Process {
*
* {@hide}
*/
@TestApi
public static final native int getThreadScheduler(int tid)
throws IllegalArgumentException;
@@ -1224,7 +1226,7 @@ public class Process {
/**
* Determine whether the current environment supports multiple processes.
*
*
* @return Returns true if the system can run in multiple processes, else
* false if everything is running in a single process.
*
@@ -1251,9 +1253,9 @@ public class Process {
/**
* Change this process's argv[0] parameter. This can be useful to show
* more descriptive information in things like the 'ps' command.
*
*
* @param text The new name of this process.
*
*
* {@hide}
*/
@UnsupportedAppUsage(maxTargetSdk = VERSION_CODES.S, publicAlternatives = "Do not try to "
@@ -1301,12 +1303,12 @@ public class Process {
/**
* Send a signal to the given process.
*
*
* @param pid The pid of the target process.
* @param signal The signal to send.
*/
public static final native void sendSignal(int pid, int signal);
/**
* @hide
* Private impl for avoiding a log message... DO NOT USE without doing
@@ -1325,24 +1327,24 @@ public class Process {
*/
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P)
public static final native void sendSignalQuiet(int pid, int signal);
/** @hide */
@UnsupportedAppUsage
public static final native long getFreeMemory();
/** @hide */
@UnsupportedAppUsage
public static final native long getTotalMemory();
/** @hide */
@UnsupportedAppUsage
public static final native void readProcLines(String path,
String[] reqFields, long[] outSizes);
/** @hide */
@UnsupportedAppUsage
public static final native int[] getPids(String path, int[] lastArray);
/** @hide */
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
public static final int PROC_TERM_MASK = 0xff;
@@ -1413,7 +1415,7 @@ public class Process {
/** @hide */
@UnsupportedAppUsage
public static final native boolean parseProcLine(byte[] buffer, int startIndex,
public static final native boolean parseProcLine(byte[] buffer, int startIndex,
int endIndex, int[] format, String[] outStrings, long[] outLongs, float[] outFloats);
/** @hide */
@@ -1422,10 +1424,10 @@ public class Process {
/**
* Gets the total Pss value for a given process, in bytes.
*
*
* @param pid the process to the Pss for
* @return the total Pss value for the given process in bytes,
* or -1 if the value cannot be determined
* or -1 if the value cannot be determined
* @hide
*/
@UnsupportedAppUsage

2
services/core/java/com/android/server/am/ProcessList.java
View File

@@ -1893,7 +1893,7 @@ public final class ProcessList {
/** Return true if the client app for the SDK sandbox process is debuggable. */
private boolean isAppForSdkSandboxDebuggable(ProcessRecord sandboxProcess) {
// TODO (b/221004701) use client app process name
final int appUid = Process.toAppUid(sandboxProcess.uid);
final int appUid = Process.sdkSandboxToAppUid(sandboxProcess.uid);
IPackageManager pm = mService.getPackageManager();
try {
String[] packages = pm.getPackagesForUid(appUid);