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Export of internal Abseil changes

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--
972333fe1e43427849b8a634aa35061e81be3642 by Abseil Team <absl-team@google.com>:

Replace deprecated thread annotations macros.

PiperOrigin-RevId: 267332619

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7039c6dc499a31c372b4872eda0772455931c360 by Gennadiy Rozental <rogeeff@google.com>:

Internal change

PiperOrigin-RevId: 267220271

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a3f524d2afc2535686f206a7ce06961016349d7a by Abseil Team <absl-team@google.com>:

Factor kernel_timeout out of synchronization.

PiperOrigin-RevId: 267217304

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90287de4114ef9a06cafe50256a2d03349772c21 by Abseil Team <absl-team@google.com>:

Fixed comment typo.

PiperOrigin-RevId: 267198532

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d312c1a1e52aeca1871ff0deead416d09a7f237e by Gennadiy Rozental <rogeeff@google.com>:

Internal change

PiperOrigin-RevId: 267185804
GitOrigin-RevId: 972333fe1e43427849b8a634aa35061e81be3642
Change-Id: Ia8a2f877c57cef9854aad48f1753af872fc04dc8
This commit is contained in:
Abseil Team 2019-09-05 02:54:58 -07:00 • committed by Gennadiy Rozental
parent eb6b7bd23b
commit 83c1d65c90
27 changed files with 282 additions and 377 deletions
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12
absl/base/internal/low_level_alloc.cc
View file

@ -203,9 +203,9 @@ struct LowLevelAlloc::Arena {
base_internal::SpinLock mu;
// Head of free list, sorted by address
AllocList freelist GUARDED_BY(mu);
AllocList freelist ABSL_GUARDED_BY(mu);
// Count of allocated blocks
int32_t allocation_count GUARDED_BY(mu);
int32_t allocation_count ABSL_GUARDED_BY(mu);
// flags passed to NewArena
const uint32_t flags;
// Result of sysconf(_SC_PAGESIZE)
@ -215,7 +215,7 @@ struct LowLevelAlloc::Arena {
// Smallest allocation block size
const size_t min_size;
// PRNG state
uint32_t random GUARDED_BY(mu);
uint32_t random ABSL_GUARDED_BY(mu);
};
namespace {
@ -275,10 +275,10 @@ static const uintptr_t kMagicAllocated = 0x4c833e95U;
static const uintptr_t kMagicUnallocated = ~kMagicAllocated;
namespace {
class SCOPED_LOCKABLE ArenaLock {
class ABSL_SCOPED_LOCKABLE ArenaLock {
public:
explicit ArenaLock(LowLevelAlloc::Arena *arena)
EXCLUSIVE_LOCK_FUNCTION(arena->mu)
ABSL_EXCLUSIVE_LOCK_FUNCTION(arena->mu)
: arena_(arena) {
#ifndef ABSL_LOW_LEVEL_ALLOC_ASYNC_SIGNAL_SAFE_MISSING
if ((arena->flags & LowLevelAlloc::kAsyncSignalSafe) != 0) {
@ -290,7 +290,7 @@ class SCOPED_LOCKABLE ArenaLock {
arena_->mu.Lock();
}
~ArenaLock() { ABSL_RAW_CHECK(left_, "haven't left Arena region"); }
void Leave() UNLOCK_FUNCTION() {
void Leave() ABSL_UNLOCK_FUNCTION() {
arena_->mu.Unlock();
#ifndef ABSL_LOW_LEVEL_ALLOC_ASYNC_SIGNAL_SAFE_MISSING
if (mask_valid_) {