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to reflect the new license.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351636
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r304285 - [sanitizer] Avoid possible deadlock in child process after fork
r304297 - [sanitizer] Trying to fix MAC buildbots after r304285
These changes create deadlock when Tcl calls pthread_create from a
pthread_atfork child handler. More info in the original review at
https://reviews.llvm.org/D33325
llvm-svn: 304735
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This patch addresses https://github.com/google/sanitizers/issues/774. When we
fork a multi-threaded process it's possible to deadlock if some thread acquired
StackDepot or allocator internal lock just before fork. In this case the lock
will never be released in child process causing deadlock on following memory alloc/dealloc
routine. While calling alloc/dealloc routines after multi-threaded fork is not allowed,
most of modern allocators (Glibc, tcmalloc, jemalloc) are actually fork safe. Let's do the same
for sanitizers except TSan that has complex locking rules.
Differential Revision: https://reviews.llvm.org/D33325
llvm-svn: 304285
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This reverts commit r250823.
Replacing at least some of empty
constructors with "= default" variants is a semantical change which we
don't want. E.g. __tsan::ClockBlock contains a union of large arrays,
and it's critical for correctness and performance that we don't memset()
these arrays in the constructor.
llvm-svn: 251717
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Summary: Replace empty bodies of default constructors and destructors with '= default'.
Reviewers: klimek, bkramer
Subscribers: alexfh, cfe-commits
Differential Revision: http://reviews.llvm.org/D13892
llvm-svn: 250823
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This reduces .tbss from 109K down to almost nothing.
llvm-svn: 205618
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