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Bug: http://b/21364029
Change-Id: I9716d6b0ea7fae6483629a290dbe695b68526588

Bug: http://b/19647373
Change-Id: I10e7682d9cec26a523f1a3597ca5326c3ca42ebe
(cherry picked from commit 1801db3d)

Bug: http://b/21696087
Change-Id: I1e22d5fd6fe2faead332249493123c9a085081e9
(cherry picked from commit 624b8f17)

The pthread_mutex_lock and pthread_mutex_unlock were allowed to
fail silently on L 32 bit devices when passed a NULL. We changed
this to a crash on 32 bit devices, but there are still games that make
these calls and are not likely to be updated. Therefore, once again
allow NULL to be passed in on 32 bit devices.

Bug: 19995172
Change-Id: If7e8860075ecd63c0064d80f64e226fad7bd3c26

Bug: 21669400
Change-Id: I54691661605a2e2c1871781964aed343840b8560
(cherry-pick from commit 33c2d441b8f816722bed984c6e12b82b888c3ca2)

The functions dlmalloc_inspect_all and dlmalloc_trim get
exported on devices that use dlmalloc, so be consistent and
export them everywhere.

Bug: 21640784
(cherry picked from commit f9554a17)

Change-Id: I1000221423c16c356bb6301e55f726db01c3f209

These are the problems fixed in this CL:

- The ndk_cruft.cpp file was not compiled for 64 bit.
- Some files where not compiled for libc_bionic.a due to a missing
  patch-up-arch-specific-flags call.
- The libc_bionic_ndk.a patch up call was using bionic src, not
  the bionic_ndk_src_files.
- Move mmap.cpp to the ndk src list where it was before because of
  the above errors.

Bug: 21640784
(cherry picked from commit 19fee2ca)

Change-Id: Ib9a9cfd72720586d3400b11cd7189f021e9a06c6

* commit '61b040a5':
  Make sys_resource test more robust.

Bug: http://b/21640806
Change-Id: I778b35c8c7538859179e97fcf5a82db2fcd9e50f
(cherry picked from commit 9cf6fc30)

It turns out that apportable apps expect that the DIR structure is
the same as in L and below. Modify the structure to have the same
order, and move the new variable to the end of the structure.

Bug: 21037208
Change-Id: Id1258e9dc19423109a2c3a8086d3022965591166

Bug: http://b/20139821
Change-Id: I1c1ed1b97a75936407e996698b98b94a7175ac30
(cherry picked from commit 6cda0742)

 Do not skip RTLD_LOCAL libraries in dlsym(RTLD_DEFAULT, ...)
 if the library is opened by application with target api level <= 22

Bug: http://b/21565766
Bug: http://b/17512583
Change-Id: Ic45ed1e4f53e84cba9d74cab6b0049c0c7aa8423

Change-Id: I362ab2e25e3368c71cb1af51cee2e8fb5ce53e61

automerge: 492a0bf2

* commit '492a0bf2':
  Make sys_resource test more robust.

Bug: 19482626

"ulimit -c xxx" command may run before bionic-unit-tests.
Make sure sys_resource test fails gently in that case.

Change-Id: Ic3b5ed8b20acba56df8c5ef082c88e5050e761aa
(cherry picked from commit 4853f40f)

 Applies only for apps targeting sdk version <= 22

Bug: http://b/21565766
Change-Id: If0bf2229dc1341e9ca09f9a05d0890515273d5a2

Support O_PATH file descriptors when handling fgetxattr and fsetxattr.
This avoids requiring file read access to pull extended attributes.

This is needed to support O_PATH file descriptors when calling
SELinux's fgetfilecon() call. In particular, this allows the querying
and setting of SELinux file context by using something like the following
code:

  int dirfd = open("/path/to/dir", O_DIRECTORY);
  int fd = openat(dirfd, "file", O_PATH | O_NOFOLLOW);
  char *context;
  fgetfilecon(fd, &context);

This change was motivated by a comment in
https://android-review.googlesource.com/#/c/152680/1/toys/posix/ls.c

(cherrypicked from commit 2825f10b)

Change-Id: Ic0cdf9f9dd0e35a63b44a4c4a08400020041eddf

  According to man dlopen(3) and posix docs in the case when si is handle
  of the main executable we need to search not only in the executable and its
  dependencies but also in all libraries loaded with RTLD_GLOBAL.

  see also: http://pubs.opengroup.org/onlinepubs/9699919799/functions/dlopen.html

Bug: http://b/21528224
Bug: http://b/17512583
Bug: https://code.google.com/p/android/issues/detail?id=173822
Change-Id: Ib2801367ba48b6f3704da89a6d9f5e6911430013
(cherry picked from commit f439b5a3)

Addresses post-submit comments from
I54692ab8105dd09db6af7a2c0894a17bdd118aa0.

Bug: http://b/21309901
Change-Id: Ie19ee8cdcc4055a65fe7dfc103156e54eafe8977
(cherry picked from commit 9d476a02)

Bug: 21309901
Change-Id: I54692ab8105dd09db6af7a2c0894a17bdd118aa0
(cherry picked from commit c05554ec)

Bug: http://b/20464031
Change-Id: I948141c46f9e054fc45f5934153dee56ce3cd558
(cherry picked from commit 087005f3)

  This applies for apps targeting sdk<=22 and
  only for lp32 platforms.

Bug: http://b/21364029
Change-Id: I903e81c9ccda2a8beaba1d132d68c77d30a4cdb2
(cherry picked from commit d974e880)

Bug: http://b/21364029
Change-Id: I8648d1bff6c8fd6e7cd12da7f128e048b9f2829a
(cherry picked from commit 79fd668b)

  Linker used to skip RTLD_NEXT within local_group when
  caller->next is nullptr (which represents load order
  but not the order within local_group dependency tree)

Bug: http://b/21380474
Change-Id: I178fc4657b19bceb871635b177c1df67855b1708
(cherry picked from commit b96ac41b)

* commit 'fd20a8c2':
  Fix timer flaky test in lollipop-mr1-cts-dev.

Change-Id: I48269218b152054d527d9257d40490b54205140f

Bug: 19358804
Change-Id: I38a53ad64c81d0eefdd1d24599e769fd8a477a56
(cherry picked from commit 40a8f214)

This test has lost its purpose as we are using mmap/munmap for pthread_internal_t. And it is a flaky test.

Bug: 21205574
Bug: 20860440
Change-Id: I7cbb6bc3fd8a2ca430415beab5ee27a856ce4ea7
(cherry picked from commit 2957cc5f)

Bug: http://b/19059885
Bug: http://b/21203348
Change-Id: Ic375e9f877d68de8f866d17362879a7dde638465

All arch-arm and arch-arm64 .S files were compiled
by gcc with and without this patch. The output object files
were identical. When compiled with llvm and this patch,
the output files were also identical to gcc's output.

BUG: 18061004
Change-Id: I458914d512ddf5496e4eb3d288bf032cd526d32b
(cherry picked from commit 33f33515)

BUG: 17302991

Change-Id: I31febd9ad24312388068803ce247b295bd73b607
(cherry picked from commit 0a93df36)

Bug: http://b/20501816
Change-Id: Id64b5109cc2b165fa0351b6edbb865a5e5058008
(cherry picked from commit 4e8ef698)

Change-Id: I08e75a1c7437c97e4af59316d2c14c7fa3f65e03
(cherry picked from commit 93333246)

Bug: 19532651

Partial revert of be0e43b7

Change-Id: I99e220328aff985facb920ebcd84ac1a016759b5