From 58d904a328c0d849769b483e901a0be9426b8209 Mon Sep 17 00:00:00 2001
From: liuxiaolong <liuxiaolong@aiotlink.com>
Date: 星期二, 20 七月 2021 20:20:44 +0800
Subject: [PATCH] 调整Request C.BHFree的位置
---
src/bh_util.h | 76 +++++++++++++++++++++++++++----------
1 files changed, 55 insertions(+), 21 deletions(-)
diff --git a/src/bh_util.h b/src/bh_util.h
index b5dc45e..1b7d2c2 100644
--- a/src/bh_util.h
+++ b/src/bh_util.h
@@ -18,7 +18,9 @@
#ifndef BH_UTIL_SOXWOK67
#define BH_UTIL_SOXWOK67
+#include "macro.h"
#include <functional>
+#include <mutex>
#include <stdint.h>
inline uint16_t Get8(const void *p)
@@ -39,8 +41,8 @@
inline void Put16(void *p, uint16_t u)
{
auto ptr = static_cast<uint8_t *>(p);
- ptr[0] = (uint8_t)(u >> 8u);
- ptr[1] = (uint8_t)(u);
+ ptr[0] = (uint8_t) (u >> 8u);
+ ptr[1] = (uint8_t) (u);
}
inline uint32_t Get32(const void *p)
@@ -54,10 +56,10 @@
inline void Put32(void *p, uint32_t u)
{
auto ptr = static_cast<uint8_t *>(p);
- ptr[0] = (uint8_t)(u >> 24u);
- ptr[1] = (uint8_t)(u >> 16u);
- ptr[2] = (uint8_t)(u >> 8u);
- ptr[3] = (uint8_t)(u);
+ ptr[0] = (uint8_t) (u >> 24u);
+ ptr[1] = (uint8_t) (u >> 16u);
+ ptr[2] = (uint8_t) (u >> 8u);
+ ptr[3] = (uint8_t) (u);
}
inline uint64_t Get64(const void *p)
@@ -75,20 +77,22 @@
inline void Put64(void *p, uint64_t u)
{
auto ptr = static_cast<uint8_t *>(p);
- ptr[0] = (uint8_t)(u >> 56);
- ptr[1] = (uint8_t)(u >> 48);
- ptr[2] = (uint8_t)(u >> 40u);
- ptr[3] = (uint8_t)(u >> 32);
- ptr[4] = (uint8_t)(u >> 24u);
- ptr[5] = (uint8_t)(u >> 16u);
- ptr[6] = (uint8_t)(u >> 8u);
- ptr[7] = (uint8_t)(u);
+ ptr[0] = (uint8_t) (u >> 56);
+ ptr[1] = (uint8_t) (u >> 48);
+ ptr[2] = (uint8_t) (u >> 40u);
+ ptr[3] = (uint8_t) (u >> 32);
+ ptr[4] = (uint8_t) (u >> 24u);
+ ptr[5] = (uint8_t) (u >> 16u);
+ ptr[6] = (uint8_t) (u >> 8u);
+ ptr[7] = (uint8_t) (u);
}
inline void PutInt(void *p, uint8_t u) { Put8(p, u); }
inline void PutInt(void *p, uint16_t u) { Put16(p, u); }
inline void PutInt(void *p, uint32_t u) { Put32(p, u); }
inline void PutInt(void *p, uint64_t u) { Put64(p, u); }
+
+constexpr uint64_t MaskBits(int nbits) { return (uint64_t(1) << nbits) - 1; }
class ExitCall
{
@@ -104,12 +108,42 @@
}
};
-// macro helper
-#define JOIN_IMPL(a, b) a##b
-#define JOIN(a, b) JOIN_IMPL(a, b)
-// defer function / lambda.
-#define DEFERF(func) ExitCall JOIN(defer_, __LINE__)(func)
-// defer simple expression
-#define DEFER1(expr) DEFERF([&]() { expr; })
+template <class D, class M, class G = std::unique_lock<M>>
+class SyncedPtr
+{
+ G lock_;
+ D *p_ = nullptr;
+
+public:
+ SyncedPtr(M &mtx, D &data) :
+ lock_(mtx), p_(&data) {}
+ SyncedPtr(SyncedPtr &&a)
+ {
+ lock_.swap(a.lock_);
+ std::swap(p_, a.p_);
+ }
+ D *operator->() const { return p_; }
+ D &operator*() const { return *p_; }
+};
+
+template <class T, class TMutex = std::mutex, class Lock = std::unique_lock<TMutex>>
+class Synced
+{
+ typedef T Data;
+ TMutex mutex_;
+ Data data_;
+ typedef SyncedPtr<Data, TMutex, Lock> Ptr;
+
+public:
+ template <class... P>
+ explicit Synced(const P &...p) :
+ data_(p...) {}
+ Ptr operator->() { return Ptr(mutex_, data_); }
+ auto Apply(const auto &f)
+ {
+ Lock lk(mutex_);
+ return f(data_);
+ }
+};
#endif /* end of include guard: BH_UTIL_SOXWOK67 */
--
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