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Changes imported from Abseil "staging" branch:

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- 5e874e644191fbf99f5636d6303de2b28b23392c Adds a absl::apply function, similar to c++17's std::apply. by Abseil Team <absl-team@google.com>
  - 16373c438d16a09725dace03ab7ba0f7c2337279 Add debugging_internal::StackTraceWorksForTest by Abseil Team <absl-team@google.com>
  - a623257aaaff8a5fba3377f34f92f319a104e444 Update absl::CondVar documentation in response to GitHub ... by Derek Mauro <dmauro@google.com>
  - 87d58a25bc4ecd46165dd1c417121c86cbc07be0 Add assert against uint128 negative bit shift undefined b... by Alex Strelnikov <strel@google.com>
  - af155c0d2a3556b56a9bcd6f9ee7416277185df8 Fix comment typos. by Abseil Team <absl-team@google.com>
  - 1824ae832eb75d447dea730b5968d952897e135a Rollback of: Add debugging_internal::StackTraceWorksForTest by Abseil Team <absl-team@google.com>
  - 97318f087ce63dd5acf1e0d3d697cd90a7d6ebfd Add debugging_internal::StackTraceWorksForTest by Abseil Team <absl-team@google.com>
  - 9dd1d17dca17f0ded3bda336b7521fd57d08a5cc Move log_severity.h out of internal. by Abseil Team <absl-team@google.com>
  - 2212bb56b1a8365d2303ff0983441298d08444e5 Internal change. by Alex Strelnikov <strel@google.com>

GitOrigin-RevId: 5e874e644191fbf99f5636d6303de2b28b23392c
Change-Id: Ic270393ac1f15866afb64617d28269cd829030f6
This commit is contained in:
Abseil Team 2018-01-17 09:53:47 -08:00 • committed by vslashg
parent be40fdf1a8
commit 5a8de8a37e
19 changed files with 326 additions and 58 deletions
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41
absl/synchronization/mutex.h
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@ -713,7 +713,7 @@ class Condition {
// The implementation may deliver signals to any condition variable at
// any time, even when no call to `Signal()` or `SignalAll()` is made; as a
// result, upon being awoken, you must check the logical condition you have
// been waiting upon. The implementation wakes waiters in the FIFO order.
// been waiting upon.
//
// Examples:
//
@ -742,29 +742,19 @@ class CondVar {
// CondVar::Wait()
//
// Atomically releases a `Mutex` and blocks on this condition variable. After
// blocking, the thread will unblock, reacquire the `Mutex`, and return if
// either:
// - this condition variable is signalled with `SignalAll()`, or
// - this condition variable is signalled in any manner and this thread
// was the most recently blocked thread that has not yet woken.
// Atomically releases a `Mutex` and blocks on this condition variable.
// Waits until awakened by a call to `Signal()` or `SignalAll()` (or a
// spurious wakeup), then reacquires the `Mutex` and returns.
//
// Requires and ensures that the current thread holds the `Mutex`.
void Wait(Mutex *mu);
// CondVar::WaitWithTimeout()
//
// Atomically releases a `Mutex`, blocks on this condition variable, and
// attempts to reacquire the mutex upon being signalled, or upon reaching the
// timeout.
//
// After blocking, the thread will unblock, reacquire the `Mutex`, and return
// for any of the following:
// - this condition variable is signalled with `SignalAll()`
// - the timeout has expired
// - this condition variable is signalled in any manner and this thread
// was the most recently blocked thread that has not yet woken.
//
// Negative timeouts are equivalent to a zero timeout.
// Atomically releases a `Mutex` and blocks on this condition variable.
// Waits until awakened by a call to `Signal()` or `SignalAll()` (or a
// spurious wakeup), or until the timeout has expired, then reacquires
// the `Mutex` and returns.
//
// Returns true if the timeout has expired without this `CondVar`
// being signalled in any manner. If both the timeout has expired
@ -776,15 +766,10 @@ class CondVar {
// CondVar::WaitWithDeadline()
//
// Atomically releases a `Mutex`, blocks on this condition variable, and
// attempts to reacquire the mutex within the provided deadline.
//
// After blocking, the thread will unblock, reacquire the `Mutex`, and return
// for any of the following:
// - this condition variable is signalled with `SignalAll()`
// - the deadline has passed
// - this condition variable is signalled in any manner and this thread
// was the most recently blocked thread that has not yet woken.
// Atomically releases a `Mutex` and blocks on this condition variable.
// Waits until awakened by a call to `Signal()` or `SignalAll()` (or a
// spurious wakeup), or until the deadline has passed, then reacquires
// the `Mutex` and returns.
//
// Deadlines in the past are equivalent to an immediate deadline.
//