* java/org/gnu/emacs/EmacsSafThread.java
(postInvalidateCacheDir):
* java/org/gnu/emacs/EmacsService.java (renameDocument): New
functions.
* src/android.c (android_init_emacs_service):
* src/android.h (struct android_emacs_service): Link to new JNI
function.
* src/androidvfs.c (android_saf_rename_document): New function.
(android_saf_tree_rename): Implement in terms of that function
if possible.
* java/org/gnu/emacs/EmacsSafThread.java (postInvalidateCache):
New argument cacheName. Remove that file from the cache.
(accessDocument1): Consult the storage cache as well.
* java/org/gnu/emacs/EmacsService.java (deleteDocument): New
argument NAME.
* src/android.c (android_init_emacs_service): Add new argument.
* src/androidvfs.c (android_saf_delete_document)
(android_saf_tree_rmdir, android_saf_file_unlink): Pass name of
file being deleted to `deleteDocument'.
* java/org/gnu/emacs/EmacsSafThread.java (EmacsSafThread, getCache)
(pruneCache1, pruneCache, cacheChild, cacheDirectoryFromCursor)
(documentIdFromName1, openDocumentDirectory1): Implement the
cache referred to by the commentary.
* java/org/gnu/emacs/EmacsService.java (deleteDocument):
Invalidate the cache upon document removal.
* src/androidvfs.c (android_saf_exception_check)
(android_document_id_from_name): Correctly preserve or set errno
in error cases.
* doc/emacs/android.texi (Android Document Providers): Say that
quitting is now possible.
* java/org/gnu/emacs/EmacsNative.java (EmacsNative): New
functions `safSyncAndReadInput', `safync' and `safPostRequest'.
* java/org/gnu/emacs/EmacsSafThread.java: New file. Move
cancel-able SAF operations here.
* java/org/gnu/emacs/EmacsService.java (EmacsService): Allow
quitting from most SAF operations.
* src/androidvfs.c (android_saf_exception_check): Return EINTR
if OperationCanceledException is received.
(android_saf_stat, android_saf_access)
(android_document_id_from_name, android_saf_tree_opendir_1)
(android_saf_file_open): Don't allow reentrant calls from async
input handlers.
(NATIVE_NAME): Implement new synchronization primitives for JNI.
(android_vfs_init): Initialize new class.
* src/dired.c (open_directory): Handle EINTR from opendir.
* src/sysdep.c: Describe which operations may return EINTR on
Android.
