dedb4eec6c
- fbff677ef850865ea67ed6771a8ed348be181e8e Modify sysinfo.cc to support GetTID on Akaros. by Abseil Team <absl-team@google.com> - f1c2929e08a3d4181e08cb5014c4a569306fd922 Two functions that did not refer to their arguments unles... by Abseil Team <absl-team@google.com> - ee43cc3bfdb4d84d40eee31fb25ecdc1aa060f47 Support Akaros (https://akaros.org) in the ABSL spinlock_... by Abseil Team <absl-team@google.com> - 6869c8c5253126459d6c7f0aa708d8612c8e5963 Make sure vdso_base_ is constant-intialized. by Abseil Team <absl-team@google.com> - d54e0366efc8d44cd5da5fd157734da966dc45e8 Add missing include for assert used by ABSL_ASSERT. by Derek Mauro <dmauro@google.com> - a5139775f3917bb5201e7fc838135766daa05b8d When building against GLIBC-2.16 or newer, use getauxval(... by Abseil Team <absl-team@google.com> GitOrigin-RevId: fbff677ef850865ea67ed6771a8ed348be181e8e Change-Id: Ie3549f6ef054783dd104304d2faf8d9800c16b83
35 lines
1.3 KiB
C++
35 lines
1.3 KiB
C++
// Copyright 2017 The Abseil Authors.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
//
|
|
// This file is an Akaros-specific part of spinlock_wait.cc
|
|
|
|
#include <atomic>
|
|
|
|
#include "absl/base/internal/scheduling_mode.h"
|
|
|
|
extern "C" {
|
|
|
|
ABSL_ATTRIBUTE_WEAK void AbslInternalSpinLockDelay(
|
|
std::atomic<uint32_t>* /* lock_word */, uint32_t /* value */,
|
|
int /* loop */, absl::base_internal::SchedulingMode /* mode */) {
|
|
// In Akaros, one must take care not to call anything that could cause a
|
|
// malloc(), a blocking system call, or a uthread_yield() while holding a
|
|
// spinlock. Our callers assume will not call into libraries or other
|
|
// arbitrary code.
|
|
}
|
|
|
|
ABSL_ATTRIBUTE_WEAK void AbslInternalSpinLockWake(
|
|
std::atomic<uint32_t>* /* lock_word */, bool /* all */) {}
|
|
|
|
} // extern "C"
|