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Changes imported from Abseil "staging" branch:

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- f59c2332341d6b1a3e045d61eb0065f7a226f807 Avoid preprocessing  '__CUDACC_VER__ >= 70000' on CUDA 9,... by Abseil Team <absl-team@google.com>
  - 12dd22cf967603e9a12d58abfe877989d61844e3 Internal change. by Greg Falcon <gfalcon@google.com>

GitOrigin-RevId: f59c2332341d6b1a3e045d61eb0065f7a226f807
Change-Id: If4f5274e6d638a2ac86f1377e6ac0481dc584f19
This commit is contained in:
Abseil Team 2017-12-15 11:12:12 -08:00 • committed by Ashley Hedberg
parent 6280bddf55
commit 4972c72c5c
13 changed files with 70 additions and 21 deletions
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6
absl/base/internal/spinlock.h
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@ -151,6 +151,12 @@ class LOCKABLE SpinLock {
enum { kWaitTimeMask = // Includes kSpinLockSleeper.
~(kSpinLockHeld | kSpinLockCooperative | kSpinLockDisabledScheduling) };
// Returns true if the provided scheduling mode is cooperative.
static constexpr bool IsCooperative(
base_internal::SchedulingMode scheduling_mode) {
return scheduling_mode == base_internal::SCHEDULE_COOPERATIVE_AND_KERNEL;
}
uint32_t TryLockInternal(uint32_t lock_value, uint32_t wait_cycles);
void InitLinkerInitializedAndCooperative();
void SlowLock() ABSL_ATTRIBUTE_COLD;