add param client initialize interface

Signed-off-by: Ncheng_jinsong <chengjinsong2@huawei.com>
Change-Id: I395f284fd7034ae0e516516017a29d2f5ab202c3

services/include/param/sys_param.h

@@ -29,6 +29,9 @@ typedef struct {
     int (*setfilecon)(const char *name, const char *content);
 } PARAM_WORKSPACE_OPS;
 
+/**
+ * parameter service初始化接口 仅供init调用
+ */
 int InitParamWorkSpace(int onlyRead, const PARAM_WORKSPACE_OPS *ops);
 
 /**
@@ -38,6 +41,10 @@ int InitParamWorkSpace(int onlyRead, const PARAM_WORKSPACE_OPS *ops);
  */
 int SystemReadParam(const char *name, char *value, uint32_t *len);
 
+/**
+ * parameter client初始化接口 供服务调用
+ */
+void InitParameterClient(void);
 #ifdef __cplusplus
 #if __cplusplus
 }

services/param/base/param_base.c

@@ -236,3 +236,13 @@ int SystemReadParam(const char *name, char *value, uint32_t *len)
     }
     return ReadParamValue(handle, value, len);
 }
+
+void InitParameterClient(void)
+{
+    if (getpid() == 1) {
+        return;
+    }
+    PARAM_WORKSPACE_OPS ops = {0};
+    ops.updaterMode = 0;
+    InitParamWorkSpace(1, &ops);
+}
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