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Eliminate dependence on boost::interprocess #8223

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In this repo, `boost::interprocess` was being used soley to make `uint32_t` operations atomic. So I replaced each instance of
`boost::interprocess::ipcdetail::atomic(...)32` with `std::atomic` methods. I replaced member declarations as applicable. For example,
when I needed to change a `volatile uint32_t` into a `std::atomic<uint32_t>`. Sometimes, a member was being used a boolean flag, so
I replaced it with `std::atomic<bool>`.

You may notice that I didn't touch `levin_client_async.h`. That is because this file is entirely unused and will be deleted in PR monero-project#8211.

Additional changes from review:
* Make some local variables const
* Change postfix operators to prefix operators where value was not need
This commit is contained in:
Jeffrey 2022-03-30 13:18:32 -05:00
parent 70ceab6c10
commit 17772ef53e
10 changed files with 43 additions and 50 deletions
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14
contrib/epee/include/reg_exp_definer.h
View file

@ -28,7 +28,7 @@
#ifndef _REG_EXP_DEFINER_H_
#define _REG_EXP_DEFINER_H_
#include <boost/interprocess/detail/atomic.hpp>
#include <atomic>
#include <boost/regex.hpp>
#include "syncobj.h"
@ -46,38 +46,38 @@ namespace epee
const static global_regexp_critical_section gregexplock;
#define STATIC_REGEXP_EXPR_1(var_name, xpr_text, reg_exp_flags) \
static volatile uint32_t regexp_initialized_1 = 0;\
static std::atomic<bool> regexp_initialized_1(false);\
volatile uint32_t local_is_initialized_1 = regexp_initialized_1;\
if(!local_is_initialized_1)\
gregexplock.get_lock().lock();\
static const boost::regex var_name(xpr_text , reg_exp_flags);\
if(!local_is_initialized_1)\
{\
boost::interprocess::ipcdetail::atomic_write32(&regexp_initialized_1, 1);\
regexp_initialized_1 = true;\
gregexplock.get_lock().unlock();\
}
#define STATIC_REGEXP_EXPR_2(var_name, xpr_text, reg_exp_flags) \
static volatile uint32_t regexp_initialized_2 = 0;\
static std::atomic<bool> regexp_initialized_2(false);\
volatile uint32_t local_is_initialized_2 = regexp_initialized_2;\
if(!local_is_initialized_2)\
gregexplock.get_lock().lock().lock();\
static const boost::regex var_name(xpr_text , reg_exp_flags);\
if(!local_is_initialized_2)\
{\
boost::interprocess::ipcdetail::atomic_write32(&regexp_initialized_2, 1);\
regexp_initialized_2 = true;\
gregexplock.get_lock().lock().unlock();\
}
#define STATIC_REGEXP_EXPR_3(var_name, xpr_text, reg_exp_flags) \
static volatile uint32_t regexp_initialized_3 = 0;\
static std::atomic<bool> regexp_initialized_3(false);\
volatile uint32_t local_is_initialized_3 = regexp_initialized_3;\
if(!local_is_initialized_3)\
gregexplock.get_lock().lock().lock();\
static const boost::regex var_name(xpr_text , reg_exp_flags);\
if(!local_is_initialized_3)\
{\
boost::interprocess::ipcdetail::atomic_write32(&regexp_initialized_3, 1);\
regexp_initialized_3 = true;\
gregexplock.get_lock().lock().unlock();\
}
}