From 09a82c2ece4caadad0baa0d1f3b84f1506363fdd Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期五, 22 一月 2021 11:58:33 +0800
Subject: [PATCH] update
---
src/queue/lock_free_queue.h | 148 +++++++++++++++++-------------------------------
1 files changed, 53 insertions(+), 95 deletions(-)
diff --git a/src/queue/lock_free_queue.h b/src/queue/lock_free_queue.h
index 6a610dc..01e597c 100644
--- a/src/queue/lock_free_queue.h
+++ b/src/queue/lock_free_queue.h
@@ -1,3 +1,6 @@
+/**
+ * encapsulate array_lock_free_queue, add semphore. populate in kernal space.
+ */
#ifndef __LOCK_FREE_QUEUE_H__
#define __LOCK_FREE_QUEUE_H__
@@ -7,7 +10,8 @@
#include "sem_util.h"
#include "logger_factory.h"
#include "shm_allocator.h"
-#include "px_sem_util.h"
+#include "psem.h"
+#include "bus_error.h"
// default Queue size
#define LOCK_FREE_Q_DEFAULT_SIZE 16
@@ -119,17 +123,17 @@
/// structures to be inserted in the queue you should think of instantiate the template
/// of the queue as a pointer to that large structure
/// @return true if the element was inserted in the queue. False if the queue was full
- bool push(const ELEM_T &a_data);
- bool push_nowait(const ELEM_T &a_data);
- bool push_timeout(const ELEM_T &a_data, const struct timespec * timeout);
+ int push(const ELEM_T &a_data);
+ int push_nowait(const ELEM_T &a_data);
+ int push_timeout(const ELEM_T &a_data, const struct timespec * timeout);
/// @brief pop the element at the head of the queue
/// @param a reference where the element in the head of the queue will be saved to
/// Note that the a_data parameter might contain rubbish if the function returns false
/// @return true if the element was successfully extracted from the queue. False if the queue was empty
- bool pop(ELEM_T &a_data);
- bool pop_nowait(ELEM_T &a_data);
- bool pop_timeout(ELEM_T &a_data, struct timespec * timeout);
+ int pop(ELEM_T &a_data);
+ int pop_nowait(ELEM_T &a_data);
+ int pop_timeout(ELEM_T &a_data, struct timespec * timeout);
void *operator new(size_t size);
@@ -213,20 +217,19 @@
typename ELEM_T,
typename Allocator,
template <typename T, typename AT> class Q_TYPE>
-bool LockFreeQueue<ELEM_T, Allocator, Q_TYPE>::push(const ELEM_T &a_data)
+int LockFreeQueue<ELEM_T, Allocator, Q_TYPE>::push(const ELEM_T &a_data)
{
-// LoggerFactory::getLogger()->debug("==================LockFreeQueue push before\n");
- if (sem_wait(&slots) == -1) {
- err_msg(errno, "LockFreeQueue push");
- return false;
+ LoggerFactory::getLogger()->debug("==================LockFreeQueue push before\n");
+ if (psem_wait(&slots) == -1) {
+ return -1;
}
if ( m_qImpl.push(a_data) ) {
- sem_post(&items);
-// LoggerFactory::getLogger()->debug("==================LockFreeQueue push after\n");
- return true;
+ psem_post(&items);
+LoggerFactory::getLogger()->debug("==================LockFreeQueue push after\n");
+ return 0;
}
- return false;
+ return -1;
}
@@ -234,23 +237,17 @@
typename ELEM_T,
typename Allocator,
template <typename T, typename AT> class Q_TYPE>
-bool LockFreeQueue<ELEM_T, Allocator, Q_TYPE>::push_nowait(const ELEM_T &a_data)
+int LockFreeQueue<ELEM_T, Allocator, Q_TYPE>::push_nowait(const ELEM_T &a_data)
{
- if (sem_trywait(&slots) == -1) {
- if (errno == EAGAIN)
- return false;
- else {
- err_msg(errno, "LockFreeQueue push_nowait");
- return false;
- }
-
+ if (psem_trywait(&slots) == -1) {
+ return -1;
}
if ( m_qImpl.push(a_data)) {
- sem_post(&items);
- return true;
+ psem_post(&items);
+ return 0;
}
- return false;
+ return -1;
}
@@ -258,41 +255,19 @@
typename ELEM_T,
typename Allocator,
template <typename T, typename AT> class Q_TYPE>
-bool LockFreeQueue<ELEM_T, Allocator, Q_TYPE>::push_timeout(const ELEM_T &a_data, const struct timespec * ts)
+int LockFreeQueue<ELEM_T, Allocator, Q_TYPE>::push_timeout(const ELEM_T &a_data, const struct timespec * ts)
{
- // int tmp_sec;
- // struct timespec timeout;
- // if (clock_gettime(CLOCK_REALTIME, &timeout) == -1)
- // err_exit(errno, "clock_gettime");
- // timeout.tv_nsec += ts->tv_nsec;
- // tmp_sec = timeout.tv_nsec / 10e9;
- // timeout.tv_nsec = timeout.tv_nsec - tmp_sec * 10e9;
- // timeout.tv_sec += ts->tv_sec + tmp_sec;
-
- struct timespec timeout = PXSemUtil::calc_sem_timeout(ts);
- // LoggerFactory::getLogger()->debug("==================LockFreeQueue push_timeout before tv_sec=%d, tv_nsec=%ld",
- // timeout.tv_sec, timeout.tv_nsec);
-
- while (sem_timedwait(&slots, &timeout) == -1) {
- // LoggerFactory::getLogger()->debug("==================LockFreeQueue push_timeout before tv_sec=%d, tv_nsec=%ld, ETIMEDOUT=%d, errno=%d\n",
- // timeout.tv_sec, timeout.tv_nsec, ETIMEDOUT, errno);
-
- if(errno == ETIMEDOUT)
- return false;
- else if(errno == EINTR)
- continue;
- else {
- LoggerFactory::getLogger()->error(errno, "LockFreeQueue push_timeout");
- return false;
- }
+LoggerFactory::getLogger()->debug("==================LockFreeQueue push_timeout before\n");
+ if ( psem_timedwait(&slots, ts) == -1) {
+ return -1;
}
if (m_qImpl.push(a_data)){
- sem_post(&items);
-// LoggerFactory::getLogger()->debug("==================LockFreeQueue push_timeout after\n");
- return true;
+ psem_post(&items);
+LoggerFactory::getLogger()->debug("==================LockFreeQueue push_timeout after\n");
+ return 0;
}
- return false;
+ return -1;
}
@@ -303,43 +278,37 @@
typename ELEM_T,
typename Allocator,
template <typename T, typename AT> class Q_TYPE>
-bool LockFreeQueue<ELEM_T, Allocator, Q_TYPE>::pop(ELEM_T &a_data)
+int LockFreeQueue<ELEM_T, Allocator, Q_TYPE>::pop(ELEM_T &a_data)
{
-// LoggerFactory::getLogger()->debug("==================LockFreeQueue pop before\n");
- if (sem_wait(&items) == -1) {
- LoggerFactory::getLogger()->error(errno, "LockFreeQueue pop");
- return false;
+ LoggerFactory::getLogger()->debug("==================LockFreeQueue pop before\n");
+ if (psem_wait(&items) == -1) {
+ return -1;
}
if (m_qImpl.pop(a_data)) {
- sem_post(&slots);
-// LoggerFactory::getLogger()->debug("==================LockFreeQueue pop after\n");
- return true;
+ psem_post(&slots);
+ LoggerFactory::getLogger()->debug("==================LockFreeQueue pop after\n");
+ return 0;
}
- return false;
+ return -1;
}
template <
typename ELEM_T,
typename Allocator,
template <typename T, typename AT> class Q_TYPE>
-bool LockFreeQueue<ELEM_T, Allocator, Q_TYPE>::pop_nowait(ELEM_T &a_data)
+int LockFreeQueue<ELEM_T, Allocator, Q_TYPE>::pop_nowait(ELEM_T &a_data)
{
- if (sem_trywait(&items) == -1) {
- if (errno == EAGAIN)
- return false;
- else {
- LoggerFactory::getLogger()->error(errno, "LockFreeQueue pop_nowait");
- return false;
- }
+ if (psem_trywait(&items) == -1) {
+ return -1;
}
if (m_qImpl.pop(a_data)) {
- sem_post(&slots);
- return true;
+ psem_post(&slots);
+ return 0;
}
- return false;
+ return -1;
}
@@ -347,29 +316,18 @@
typename ELEM_T,
typename Allocator,
template <typename T, typename AT> class Q_TYPE>
-bool LockFreeQueue<ELEM_T, Allocator, Q_TYPE>::pop_timeout(ELEM_T &a_data, struct timespec * ts)
+int LockFreeQueue<ELEM_T, Allocator, Q_TYPE>::pop_timeout(ELEM_T &a_data, struct timespec * ts)
{
-// LoggerFactory::getLogger()->debug("==================LockFreeQueue pop_timeout before\n");
-
- struct timespec timeout = PXSemUtil::calc_sem_timeout(ts);
-
- while (sem_timedwait(&items, &timeout) == -1) {
- if (errno == EAGAIN)
- return false;
- else if(errno == EINTR)
- continue;
- else {
- LoggerFactory::getLogger()->error(errno, "LockFreeQueue pop_timeout");
- return false;
- }
+ if (psem_timedwait(&items, ts) == -1) {
+ return -1;
}
if (m_qImpl.pop(a_data)) {
- sem_post(&slots);
+ psem_post(&slots);
// LoggerFactory::getLogger()->debug("==================LockFreeQueue pop_timeout after\n");
- return true;
+ return 0;
}
- return false;
+ return -1;
}
--
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