From a4d18d6ab3216ce1bf8052f0fdc4ea34bc6385e8 Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期三, 20 一月 2021 19:39:17 +0800
Subject: [PATCH] update
---
src/queue/shm_queue.h | 33 +++++++++++++++++----------------
1 files changed, 17 insertions(+), 16 deletions(-)
diff --git a/src/queue/shm_queue.h b/src/queue/shm_queue.h
index 8a23da1..7d98eaa 100644
--- a/src/queue/shm_queue.h
+++ b/src/queue/shm_queue.h
@@ -1,3 +1,7 @@
+/**
+ * encapsulate lock_free_queue, populate in userspace
+ */
+
#ifndef __SHM_QUEUE_H__
#define __SHM_QUEUE_H__
@@ -7,8 +11,7 @@
#include "sem_util.h"
#include "shm_allocator.h"
#include "usg_common.h"
-// default Queue size
-// #define LOCK_FREE_Q_DEFAULT_SIZE 16
+
template <typename ELEM_T> class SHMQueue {
@@ -28,13 +31,12 @@
inline bool full();
inline bool empty();
- inline bool push(const ELEM_T &a_data);
- inline bool push_nowait(const ELEM_T &a_data);
- inline bool push_timeout(const ELEM_T &a_data,
- const struct timespec *timeout);
- inline bool pop(ELEM_T &a_data);
- inline bool pop_nowait(ELEM_T &a_data);
- inline bool pop_timeout(ELEM_T &a_data, struct timespec *timeout);
+ inline int push(const ELEM_T &a_data);
+ inline int push_nowait(const ELEM_T &a_data);
+ inline int push_timeout(const ELEM_T &a_data, const struct timespec *timeout);
+ inline int pop(ELEM_T &a_data);
+ inline int pop_nowait(ELEM_T &a_data);
+ inline int pop_timeout(ELEM_T &a_data, struct timespec *timeout);
inline ELEM_T &operator[](unsigned i);
@@ -167,23 +169,23 @@
}
template <typename ELEM_T>
-inline bool SHMQueue<ELEM_T>::push(const ELEM_T &a_data) {
+inline int SHMQueue<ELEM_T>::push(const ELEM_T &a_data) {
return queue->push(a_data);
}
template <typename ELEM_T>
-inline bool SHMQueue<ELEM_T>::push_nowait(const ELEM_T &a_data) {
+inline int SHMQueue<ELEM_T>::push_nowait(const ELEM_T &a_data) {
return queue->push_nowait(a_data);
}
template <typename ELEM_T>
-inline bool SHMQueue<ELEM_T>::push_timeout(const ELEM_T &a_data,
+inline int SHMQueue<ELEM_T>::push_timeout(const ELEM_T &a_data,
const struct timespec *timeout) {
return queue->push_timeout(a_data, timeout);
}
-template <typename ELEM_T> inline bool SHMQueue<ELEM_T>::pop(ELEM_T &a_data) {
+template <typename ELEM_T> inline int SHMQueue<ELEM_T>::pop(ELEM_T &a_data) {
// printf("SHMQueue pop before\n");
int rv = queue->pop(a_data);
// printf("SHMQueue after before\n");
@@ -191,13 +193,12 @@
}
template <typename ELEM_T>
-inline bool SHMQueue<ELEM_T>::pop_nowait(ELEM_T &a_data) {
+inline int SHMQueue<ELEM_T>::pop_nowait(ELEM_T &a_data) {
return queue->pop_nowait(a_data);
}
template <typename ELEM_T>
-inline bool SHMQueue<ELEM_T>::pop_timeout(ELEM_T &a_data,
- struct timespec *timeout) {
+inline int SHMQueue<ELEM_T>::pop_timeout(ELEM_T &a_data, struct timespec *timeout) {
return queue->pop_timeout(a_data, timeout);
}
--
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