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Only allow one movePackage operation in-flight

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When a movePackage operation is requested, don't allow multiple requests
to pile up for one package. Once a move is completed, an observer will
receive the message and be allowed to call movePackage again.

Change-Id: Ie3842b6d96446febc0037bf9b8f1ca250735edc2
This commit is contained in:
Kenny Root
2010-08-02 11:36:21 -07:00
parent 866362fcb4
commit deb112674e
3 changed files with 35 additions and 1 deletions
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21
services/java/com/android/server/PackageManagerService.java
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@@ -7202,6 +7202,9 @@ class PackageManagerService extends IPackageManager.Stub {
pw.print(" pkgFlags=0x"); pw.print(Integer.toHexString(ps.pkgFlags));
pw.print(" installStatus="); pw.print(ps.installStatus);
pw.print(" enabled="); pw.println(ps.enabled);
if (ps.pkg.mOperationPending) {
pw.println(" mOperationPending=true");
}
if (ps.disabledComponents.size() > 0) {
pw.println(" disabledComponents:");
for (String s : ps.disabledComponents) {
@@ -9889,6 +9892,9 @@ class PackageManagerService extends IPackageManager.Stub {
(pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0) {
Slog.w(TAG, "Cannot move forward locked app.");
returnCode = PackageManager.MOVE_FAILED_FORWARD_LOCKED;
} else if (pkg.mOperationPending) {
Slog.w(TAG, "Attempt to move package which has pending operations");
returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING;
} else {
// Find install location first
if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 &&
@@ -9905,6 +9911,9 @@ class PackageManagerService extends IPackageManager.Stub {
returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION;
}
}
if (returnCode == PackageManager.MOVE_SUCCEEDED) {
pkg.mOperationPending = true;
}
}
}
if (returnCode != PackageManager.MOVE_SUCCEEDED) {
@@ -10017,6 +10026,18 @@ class PackageManagerService extends IPackageManager.Stub {
mp.srcArgs.doPostDeleteLI(true);
}
}
// Allow more operations on this file if we didn't fail because
// an operation was already pending for this package.
if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) {
synchronized (mPackages) {
PackageParser.Package pkg = mPackages.get(mp.packageName);
if (pkg != null) {
pkg.mOperationPending = false;
}
}
}
IPackageMoveObserver observer = mp.observer;
if (observer != null) {
try {