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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/*
*
* Copyright (c) 2018 Huawei Technologies Co.,Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <string.h>
#include "common_mem_api.h"
#include "nstack_log.h"
#include "nstack_securec.h"
#include "common_func.h"
#include "pid_common.h"
void sys_sem_init_v2(sys_sem_t_v2 sem)
{
sem->locked = 1;
}
/** Returns the current time in milliseconds,
* may be the same as sys_jiffies or at least based on it. */
u32_t sys_now(void)
{
struct timespec now;
if (unlikely(0 != clock_gettime(CLOCK_MONOTONIC, &now)))
{
NSRTP_LOGERR("Failed to get time, errno = %d", errno);
}
return 1000 * now.tv_sec + now.tv_nsec / 1000000;
}
long sys_jiffies(void)
{
return sys_now();
}
err_t sys_sem_new_v2(sys_sem_t_v2 * sem, u8_t isUnLockd)
{
int retVal;
if (!sem)
{
return -1;
}
*sem = malloc(sizeof(common_mem_spinlock_t));
if (NULL == *sem)
{
return -1;
}
else
{
retVal =
memset_s(*sem, sizeof(common_mem_spinlock_t), 0,
sizeof(common_mem_spinlock_t));
if (EOK != retVal)
{
NSRTP_LOGERR("MEMSET_S failed]ret=%d", retVal);
free(*sem);
*sem = NULL;
return -1;
}
common_mem_spinlock_init(*sem);
}
if (!isUnLockd)
{
common_mem_spinlock_lock(*sem);
}
return 0;
}
void sys_sem_free_v2(sys_sem_t_v2 * sem)
{
if ((sem != NULL) && (*sem != NULL))
{
free(*sem);
*sem = NULL;
}
else
{
}
}
void sys_sem_signal_v2(sys_sem_t_v2 * sem)
{
common_mem_spinlock_unlock(*sem);
}
void sys_sem_signal_s_v2(sys_sem_t_v2 sem)
{
common_mem_spinlock_unlock(sem);
}
u32_t sys_arch_sem_trywait_v2(sys_sem_t_v2 * sem)
{
return (u32_t) common_mem_spinlock_trylock(*sem);
}
u32_t sys_arch_sem_wait_v2(sys_sem_t_v2 * pstsem)
{
common_mem_spinlock_lock(*pstsem);
return 0;
}
u32_t sys_arch_sem_wait_s_v2(sys_sem_t_v2 sem)
{
common_mem_spinlock_lock(sem);
return 0;
}
/*****************************************************************************
* Prototype : get_pid_namespace
* Description : Get namespace of pid
* Input : uint32_t pid
* Output : None
* Return Value : uint64_t
* Calls :
* Called By :
*****************************************************************************/
uint64_t get_pid_namespace(pid_t pid)
{
char buf[BUF_SIZE_FILEPATH] = { 0 };
char path[BUF_SIZE_FILEPATH] = { 0 };
const char *pstart;
int ret = 0;
if (!pid)
{
NSSOC_LOGERR("Pid is zero!");
return 0;
}
ret =
snprintf_s(path, sizeof(path), sizeof(path) - 1, "/proc/%d/ns/pid",
pid);
if (-1 == ret)
{
NSSOC_LOGERR("SNPRINTF_S failed]ret=%d", ret);
return 0;
}
ret = readlink(path, buf, sizeof(buf) - 1);
if (ret <= (int) sizeof(STR_PID))
{
NSSOC_LOGERR("readlink pid ns file error]ret=%d", ret);
return 0;
}
buf[ret - 1] = 0;
pstart = &(buf[sizeof(STR_PID)]);
return strtoull(pstart, NULL, 10);
}
|
