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David Anderson fe7585a8b0 snapuserd: Refactor client to allow persistent connections. 
This refactors SnapuserdClient so it retains a connection for its
lifetime. This allows SnapshotManager to ensure the daemon is running
and hold a connection open across all of its operations.

The main impetus of this change is to remove the ambiguity between first
and second-stage sockets. SnapshotManager should only ever connect to
the first-stage socket during first-stage init, or, to initiate the
"transition" step during second-stage init.

The transition steps are roughly:
 (1) Start second-stage daemon.
 (2) Load new device-mapper tables.
 (3) Connect second-stage daemon to new dm-user devices.
 (4) Activate the new tables, flushing IO to the first-stage daemon.
 (5) Send a signal to the first-stage daemon to exit.

This patch makes it easier to hold these two separate connections.

Bug: 168554689
Test: manual test
Change-Id: I51cb9adecffb19143ed685e0c33456177ec3d81f
2020-10-22 22:07:23 -07:00
adb Migrate system/core/adb to packages/modules/adb 2020-10-18 15:12:29 +00:00
bootstat Merge Android R (rvc-dev-plus-aosp-without-vendor@6692709) 2020-08-29 01:42:13 -07:00
cli-test cli-test: support checking exit status. 2020-09-25 16:43:35 -07:00
code_coverage extend syscall minijail for clang code coverage 2020-07-13 13:39:05 -07:00
cpio Remove EXCLUDE_FS_CONFIG_STRUCTURES 2020-03-04 15:34:09 -08:00
debuggerd Start tombstoned early in post-fs-data. 2020-10-01 14:25:36 -07:00
deprecated-adf remove deprecated bp 'subdirs' 2020-01-14 12:18:40 -08:00
diagnose_usb Make the udev vs plugdev distinction a bit clearer. 2020-07-31 15:09:35 -07:00
fastboot libsnapshot: Partially implement OpenSnapshotWriter. 2020-10-14 21:41:36 -07:00
fs_mgr snapuserd: Refactor client to allow persistent connections. 2020-10-22 22:07:23 -07:00
gatekeeperd Chanage uid to userId where it denotes an Android user id. 2020-09-23 18:01:37 -07:00
healthd Merge "health: Add CAP_BLOCK_SUSPEND" 2020-10-15 20:24:17 +00:00
include Remove include/backtrace symlink. 2020-10-20 12:46:14 -07:00
init ueventd: Put dm-user devices in a folder 2020-10-20 12:13:51 -07:00
janitors Add the two best build system janitors. 2019-03-25 10:25:13 -07:00
libappfuse Fix Deadlock Issue On AppFuseBridge 2020-02-18 04:33:06 +00:00
libasyncio Revert "Revert "Set apex_available property"" 2020-03-26 00:23:56 +00:00
libbinderwrapper Make libbinderwrapper available in /vendor partition 2018-04-06 08:41:21 +09:00
libcrypto_utils libcrypto_utils: switch to C++. 2020-08-21 10:34:56 -07:00
libcutils libcutils: API to disable memory mitigations 2020-10-10 00:16:24 +00:00
libdiskconfig Rename target.linux[_x86[_64]] to target.linux_glibc[_x86[_64]] 2017-10-02 10:44:29 -07:00
libgrallocusage gralloc: Set min_sdk_version 2020-04-23 23:50:08 +09:00
libkeyutils Update language to comply with Android's inclusive language guidance 2020-07-31 16:36:06 -06:00
libmodprobe libmodprobe: Fail when modules.dep lacks colon 2020-10-19 12:00:08 +01:00
libnetutils Add a libipchecksum that contains the C IP checksum code. 2020-07-09 16:35:47 +09:00
libpackagelistparser Add require_root to adbd_test and libpackagelistparser_test 2019-09-24 09:13:32 -07:00
libprocessgroup Remove vts10 related configs 2020-10-06 13:52:44 -07:00
libqtaguid Redirect qtaguid native call to netd fwmark client 2017-11-09 18:02:22 -08:00
libsparse Make libsparse vendor_available 2020-09-03 08:43:46 -07:00
libstats Use libcutils_headers for android_filesystem_config.h 2020-09-18 22:48:42 +00:00
libsuspend Remove libsuspend from VNDK. 2018-08-14 13:39:55 -07:00
libsync Make libsync a stubs library 2020-06-05 17:13:57 +09:00
libsystem Set min_sdk_version to be part of mainline modules 2020-05-13 08:18:06 +09:00
libsysutils SocketClient: don't ignore SIGPIPE 2020-07-31 15:53:18 -07:00
libusbhost Prevent infinite loop on zero length USB descriptors 2020-02-21 11:11:02 -08:00
libutils Remove include/backtrace symlink. 2020-10-20 12:46:14 -07:00
libvndksupport remove deprecated bp 'subdirs' 2020-01-14 12:18:40 -08:00
llkd llkd: Use more inclusive language 2020-06-16 10:28:14 -07:00
property_service Cleanup for #inclusivefixit. 2020-07-27 11:37:19 -07:00
qemu_pipe Use more inclusive language for #inclusivefixit 2020-07-28 00:22:59 +00:00
reboot adb: replace reboot service with exec of /system/bin/reboot. 2019-10-23 14:33:36 -07:00
rootdir Prevent using abstract terms in the property name 2020-10-20 19:45:02 +08:00
run-as Use libcutils_headers for android_filesystem_config.h 2020-09-18 22:48:42 +00:00
sdcard Move layout_version to /data/misc/installd 2019-08-21 10:12:18 -07:00
set-verity-state set-verity-state: Link to libfs_mgr_binder. 2019-12-30 13:42:57 -08:00
shell_and_utilities Add the rough toybox version numbers to the docs. 2020-08-06 10:15:25 -07:00
storaged storaged: ignore SIGPIPE 2020-03-17 09:31:01 -07:00
toolbox Merge "toolbox: make all janitors the owners." am: 5f33339b2f am: 459b5d6350 2020-07-13 18:10:13 +00:00
trusty Merge "rpmb_dev: Switch to RPMB provisioning scheme" 2020-10-10 05:06:56 +00:00
usbd Remove libhwbinder/libhidltransport deps 2019-09-05 14:17:42 -07:00
watchdogd Move watchdogd out of init 2018-08-02 12:25:58 -07:00
.clang-format Add a 2 width option of clang format. 2017-03-10 13:01:39 -08:00
.clang-format-2 Move clang-formats to build. 2019-01-18 14:26:33 -08:00
.clang-format-4 Move clang-formats to build. 2019-01-18 14:26:33 -08:00
.gitignore Ignore adb/*.pyc files 2015-08-11 12:59:58 -07:00
base Migrate system/core/base to system/libbase. 2020-05-19 21:32:42 +00:00
CleanSpec.mk snapshotctl don't auto-merge. 2020-03-03 13:19:49 -08:00
libbacktrace Remove libprocinfo, libbacktrace, libunwindstack 2020-10-16 15:46:24 +00:00
liblog Add symlinks to satisfy include paths. 2020-10-08 23:19:43 +00:00
libprocinfo Remove libprocinfo, libbacktrace, libunwindstack 2020-10-16 15:46:24 +00:00
libunwindstack Remove libprocinfo, libbacktrace, libunwindstack 2020-10-16 15:46:24 +00:00
METADATA Add METADATA to system/core: Apache2+BSD=NOTICE 2020-04-29 13:16:41 -07:00
MODULE_LICENSE_APACHE2
NOTICE
OWNERS Remove baligh@ from owners. CodeShuffle done. 2020-10-17 00:28:10 +00:00
PREUPLOAD.cfg Add AOSP preupload hook. 2020-04-23 11:02:00 -07:00
TEST_MAPPING Run liblog and logd CTS tests in presubmit 2020-07-29 08:02:52 -07:00