e30d6793
 Zou XiKun
v0.0.1
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
#include "BaseObject.h"
CBaseObject::CBaseObject()
{
m_cur_count = 0;
pthread_mutex_init(&m_mutex, NULL);
}
CBaseObject::~CBaseObject()
{
pthread_mutex_destroy(&m_mutex);
}
void CBaseObject::Lock()
{
if (m_cur_count == 0)
{
pthread_mutex_lock(&m_mutex);
m_cur_thread_id = pthread_self();
asm("nop");
m_cur_count = 1;
}
else
{
pthread_t cur_thread_id = pthread_self();
if (cur_thread_id == m_cur_thread_id)
{
m_cur_count++;
}
else
{
pthread_mutex_lock(&m_mutex);
m_cur_thread_id = pthread_self();
asm("nop");
m_cur_count = 1;
}
}
}
void CBaseObject::Unlock()
{
if (m_cur_count == 1)
{
m_cur_count--;
pthread_mutex_unlock(&m_mutex);
}
else
m_cur_count--;
}
|
