tequilaOS/platform_bionic
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6 commits

Author SHA1 Message Date
Josh Gao
ab6a0802af fdsan: add type for ART's FdFile. 
Bug: http://b/113558485
Test: none
Change-Id: I9bc874d8689cc54563f2a5878d324b27ad85060e
 2018-08-30 17:37:52 -07:00
Josh Gao
c1b4476808 fdsan: make the tag type values sequential. 
In retrospect, allocating tag types from both ends will just make the
future creation of user-defined tags harder, because constants that are
introduced, and then used in previous versions might collide with
user-defined tags. Move all of the tag values to the front, so that we
can allocate from the end to minimize this.

Test: bionic_unit_tests
Change-Id: I5063adf8301b1063bd4931a6ce8b70dfe2411efd
 2018-08-23 23:10:52 -07:00
Josh Gao
b6b3a1d4f9 fdsan: expose functions to get and interpret tags. 
Make it easier to write tests in users of fdsan by exposing functions
to allow users to get and interpret the tags.

Test: bionic_unit_tests
Change-Id: Iafa9bcaeb5e4db230f3dfec6f483274f34602694
 2018-08-23 23:10:52 -07:00
Josh Gao
27cc4bc414 Add fdsan owner type for sqlite. 
Test: none
Change-Id: Ib331d108e7e0431250eba3609f3557d8e4665aba
 2018-08-23 23:10:52 -07:00
Josh Gao
e899e798b8 Mark fdsan functions as __attribute__((weak)). 
Make it so that users can check for availability of fdsan at runtime.

Bug: http://b/110100358
Test: treehugger
Test: make libjnitest
Change-Id: Ief3054161f3e255d048370975f7dd90cf7ad3687
 2018-07-20 13:51:28 -07:00
Josh Gao
f6e5b58260 Introduce api to track fd ownership in libc. 
Add two functions to allow objects that own a file descriptor to
enforce that only they can close their file descriptor.

Use them in FILE* and DIR*.

Bug: http://b/110100358
Test: bionic_unit_tests
Test: aosp/master boots without errors
Test: treehugger
Change-Id: Iecd6e8b26c62217271e0822dc3d2d7888b091a45
 2018-07-19 14:28:54 -07:00