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Export of internal Abseil changes.

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e4e4a3460b64ba0571be217b04ec286bfac6b6bf by Tom Manshreck <shreck@google.com>:

Internal change

PiperOrigin-RevId: 235573160

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200323f1243e20c201d20bdab4c15a20346a27e5 by CJ Johnson <johnsoncj@google.com>:

Removed unneded template parameter from InlinedVector internal functions

PiperOrigin-RevId: 234910222

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2f1bba53c9ca40d0718c4c1edfcfea40edd5049e by CJ Johnson <johnsoncj@google.com>:

Add comment highlighting the fact that the InlinedVector(&&, alloc) move constructor overload will still commit pointer theft in one case

PiperOrigin-RevId: 234899890
GitOrigin-RevId: e4e4a3460b64ba0571be217b04ec286bfac6b6bf
Change-Id: I0aabbabb96e9a057a55ed6b42591ea43b4609efe
This commit is contained in:
Abseil Team 2019-02-25 11:52:11 -08:00 • committed by Jon Cohen
parent 93d155bc44
commit 308ce31528
2 changed files with 52 additions and 28 deletions
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18
absl/container/internal/hashtablez_sampler.h
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@ -12,8 +12,12 @@
// See the License for the specific language governing permissions and
// limitations under the License.
//
// This is a low level library to sample hashtables and collect runtime
// statistics about them.
// -----------------------------------------------------------------------------
// File: hashtablez_sampler.h
// -----------------------------------------------------------------------------
//
// This header file defines the API for a low level library to sample hashtables
// and collect runtime statistics about them.
//
// `HashtablezSampler` controls the lifecycle of `HashtablezInfo` objects which
// store information about a single sample.
@ -22,6 +26,16 @@
// `Sample()` and `Unsample()` make use of a single global sampler with
// properties controlled by the flags hashtablez_enabled,
// hashtablez_sample_rate, and hashtablez_max_samples.
//
// WARNING
//
// Using this sampling API may cause sampled Swiss tables to use the global
// allocator (operator `new`) in addition to any custom allocator. If you
// are using a table in an unusual circumstance where allocation or calling a
// linux syscall is unacceptable, this could interfere.
//
//
// This utility is internal-only. Use at your own risk.
#ifndef ABSL_CONTAINER_INTERNAL_HASHTABLEZ_SAMPLER_H_
#define ABSL_CONTAINER_INTERNAL_HASHTABLEZ_SAMPLER_H_