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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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14
absl/synchronization/mutex.cc
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@ -207,8 +207,8 @@ static absl::base_internal::SpinLock deadlock_graph_mu(
absl::base_internal::kLinkerInitialized);
// graph used to detect deadlocks.
static GraphCycles *deadlock_graph GUARDED_BY(deadlock_graph_mu)
PT_GUARDED_BY(deadlock_graph_mu);
static GraphCycles *deadlock_graph ABSL_GUARDED_BY(deadlock_graph_mu)
ABSL_PT_GUARDED_BY(deadlock_graph_mu);
//------------------------------------------------------------------
// An event mechanism for debugging mutex use.
@ -279,10 +279,10 @@ static const uint32_t kNSynchEvent = 1031;
static struct SynchEvent { // this is a trivial hash table for the events
// struct is freed when refcount reaches 0
int refcount GUARDED_BY(synch_event_mu);
int refcount ABSL_GUARDED_BY(synch_event_mu);
// buckets have linear, 0-terminated chains
SynchEvent *next GUARDED_BY(synch_event_mu);
SynchEvent *next ABSL_GUARDED_BY(synch_event_mu);
// Constant after initialization
uintptr_t masked_addr; // object at this address is called "name"
@ -296,7 +296,7 @@ static struct SynchEvent { // this is a trivial hash table for the events
// Constant after initialization
char name[1]; // actually longer---null-terminated std::string
} *synch_event[kNSynchEvent] GUARDED_BY(synch_event_mu);
} * synch_event[kNSynchEvent] ABSL_GUARDED_BY(synch_event_mu);
// Ensure that the object at "addr" has a SynchEvent struct associated with it,
// set "bits" in the word there (waiting until lockbit is clear before doing
@ -1143,7 +1143,7 @@ PerThreadSynch *Mutex::Wakeup(PerThreadSynch *w) {
}
static GraphId GetGraphIdLocked(Mutex *mu)
EXCLUSIVE_LOCKS_REQUIRED(deadlock_graph_mu) {
ABSL_EXCLUSIVE_LOCKS_REQUIRED(deadlock_graph_mu) {
if (!deadlock_graph) { // (re)create the deadlock graph.
deadlock_graph =
new (base_internal::LowLevelAlloc::Alloc(sizeof(*deadlock_graph)))
@ -1152,7 +1152,7 @@ static GraphId GetGraphIdLocked(Mutex *mu)
return deadlock_graph->GetId(mu);
}
static GraphId GetGraphId(Mutex *mu) LOCKS_EXCLUDED(deadlock_graph_mu) {
static GraphId GetGraphId(Mutex *mu) ABSL_LOCKS_EXCLUDED(deadlock_graph_mu) {
deadlock_graph_mu.Lock();
GraphId id = GetGraphIdLocked(mu);
deadlock_graph_mu.Unlock();