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merge(3p/absl): subtree merge of Abseil up to e19260f

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... notably, this includes Abseil's own StatusOr type, which
conflicted with our implementation (that was taken from TensorFlow).

Change-Id: Ie7d6764b64055caaeb8dc7b6b9d066291e6b538f
This commit is contained in:
Vincent Ambo 2020-11-21 14:43:54 +01:00
parent cc27324d02
commit 082c006c04
854 changed files with 11260 additions and 5296 deletions
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7
third_party/abseil_cpp/absl/base/internal/thread_identity.cc vendored
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@ -23,6 +23,7 @@
#include <cassert>
#include <memory>
#include "absl/base/attributes.h"
#include "absl/base/call_once.h"
#include "absl/base/internal/raw_logging.h"
#include "absl/base/internal/spinlock.h"
@ -53,9 +54,11 @@ void AllocateThreadIdentityKey(ThreadIdentityReclaimerFunction reclaimer) {
// exist within a process (via dlopen() or similar), references to
// thread_identity_ptr from each instance of the code will refer to
// *different* instances of this ptr.
#ifdef __GNUC__
// Apple platforms have the visibility attribute, but issue a compile warning
// that protected visibility is unsupported.
#if ABSL_HAVE_ATTRIBUTE(visibility) && !defined(__APPLE__)
__attribute__((visibility("protected")))
#endif // __GNUC__
#endif // ABSL_HAVE_ATTRIBUTE(visibility) && !defined(__APPLE__)
#if ABSL_PER_THREAD_TLS
// Prefer __thread to thread_local as benchmarks indicate it is a bit faster.
ABSL_PER_THREAD_TLS_KEYWORD ThreadIdentity* thread_identity_ptr = nullptr;