Commit graph

7 commits

Author SHA1 Message Date
Tom Cherry
c99d60cbc7 init: add missing O_CLOEXEC
Test: (hopefully) no more denials at boot
Change-Id: I7c20a9bbf27210e0ee5f1bbe69db36bb47c38892
2019-12-09 06:48:37 -08:00
Tom Cherry
97437a7aae init: fsync() persistent properties directory after rename()
See the inline comment on why this is necessary.

Test: persistent properties work without errors
Change-Id: I820a193fb032a1845791a55a76390d396678f151
2019-12-06 11:16:50 -08:00
Tom Cherry
247ffbf314 Fix a few clang-tidy issues and add NOLINT for others
android-base:
* Add NOLINT for expanding namespace std for std::string* ostream
  overload

libdm:
* Fix missing parentesis around macro parameters

init:
* Fix missing CLOEXEC usage and add NOLINT for the intended
  usages.
* Fix missing parentesis around macro parameters
* Fix erase() / remove_if() idiom
* Correctly specific unsigned char when intended
* 'namespace flags' should be signed, since 'flags' it signed for
  clone()
* Add clear to property restore vector<string> to empty after move
* Explicit comparison against 0 for strcmp

Test: build
Change-Id: I8c31dafda2c43ebc5aa50124cbbd6e23ed2c4101
2019-07-09 16:17:36 +00:00
Tom Cherry
bbcbc2ffb3 init: replace Result<Success> with Result<void>
Now that Result<T> is actually expected<T, ...>, and the expected
proposal states expected<void, ...> as the way to indicate an expected
object that returns either successfully with no object or an error,
let's move init's Result<Success> to the preferred Result<void>.

Bug: 132145659
Test: boot, init unit tests
Change-Id: Ib2f98396d8e6e274f95a496fcdfd8341f77585ee
2019-06-10 12:39:18 -07:00
Tom Cherry
9614e4d4d9 init: remove non-protobuf single persistent property file
This has moved to being serialized with libprotobuf.

Test: persistent properties work on bullhead
Test: init unit tests
Change-Id: I26ebe135e37d352f9c53612301bde703144853e7
2017-09-27 18:22:35 +00:00
Tom Cherry
a97faba653 init: use protobuf for serialization of persistent properties
I probably should have done this from the start...  There's a shim to
convert my manually serialized format to protobuf, and since that has
not yet shipped, it'll be reverted in a short period of time.

Test: init unit tests
Test: upgrade from legacy and intermediate property formats successfully
Change-Id: Iad25f6c30d0b44d294230a53dd6876222d1c785b
2017-09-19 09:56:31 -07:00
Tom Cherry
16fad42007 use a single file for storing persistent properties
We have seen that storing persistent properties in separate files
causes increased boot latency compared to if they were stored in a
single contiguous file.

This change creates a simple format for a contiguously stored property
file, and adds the support for arbitrary characters in the names of
persistent properties, which previously had been restricted.  It has a
mechanism for converting older devices to the new format as well.

Bug: 64392887
Test: boot bullhead with new properties
Test: boot bullhead and verify old properties are converted to the new
      property file
Test: corrupt property file and ensure that it gets recovered from memory
Test: new unit tests
Change-Id: I60d8201d655ce5c97b33faae81d5ca8dbbb21a14
2017-08-29 17:45:06 -07:00