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Switch std::call_once to llvm::call_once

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Summary:
The std::call_once implementation in libstdc++ has problems on few systems: NetBSD, OpenBSD and Linux PPC. LLVM ships with a homegrown implementation llvm::call_once to help on these platforms.

This change is required in the NetBSD LLDB port. std::call_once with libstdc++ results with crashing the debugger.

Sponsored by <The NetBSD Foundation>

Reviewers: labath, joerg, emaste, mehdi_amini, clayborg

Reviewed By: labath, clayborg

Subscribers: #lldb

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D29288

llvm-svn: 294202
This commit is contained in:
Kamil Rytarowski
2017-02-06 17:55:02 +00:00
parent d3464bf9ad
commit c5f28e2a05
36 changed files with 157 additions and 111 deletions
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13
lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
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@@ -21,6 +21,7 @@
// Other libraries and framework includes
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Threading.h"
// Project includes
#include "lldb/Core/FastDemangle.h"
@@ -1036,10 +1037,10 @@ std::unique_ptr<Language::TypeScavenger> CPlusPlusLanguage::GetTypeScavenger() {
}
lldb::TypeCategoryImplSP CPlusPlusLanguage::GetFormatters() {
static std::once_flag g_initialize;
static llvm::once_flag g_initialize;
static TypeCategoryImplSP g_category;
std::call_once(g_initialize, [this]() -> void {
llvm::call_once(g_initialize, [this]() -> void {
DataVisualization::Categories::GetCategory(GetPluginName(), g_category);
if (g_category) {
LoadLibCxxFormatters(g_category);
@@ -1052,11 +1053,11 @@ lldb::TypeCategoryImplSP CPlusPlusLanguage::GetFormatters() {
HardcodedFormatters::HardcodedSummaryFinder
CPlusPlusLanguage::GetHardcodedSummaries() {
static std::once_flag g_initialize;
static llvm::once_flag g_initialize;
static ConstString g_vectortypes("VectorTypes");
static HardcodedFormatters::HardcodedSummaryFinder g_formatters;
std::call_once(g_initialize, []() -> void {
llvm::call_once(g_initialize, []() -> void {
g_formatters.push_back(
[](lldb_private::ValueObject &valobj, lldb::DynamicValueType,
FormatManager &) -> TypeSummaryImpl::SharedPointer {
@@ -1116,11 +1117,11 @@ CPlusPlusLanguage::GetHardcodedSummaries() {
HardcodedFormatters::HardcodedSyntheticFinder
CPlusPlusLanguage::GetHardcodedSynthetics() {
static std::once_flag g_initialize;
static llvm::once_flag g_initialize;
static ConstString g_vectortypes("VectorTypes");
static HardcodedFormatters::HardcodedSyntheticFinder g_formatters;
std::call_once(g_initialize, []() -> void {
llvm::call_once(g_initialize, []() -> void {
g_formatters.push_back([](lldb_private::ValueObject &valobj,
lldb::DynamicValueType,
FormatManager &