commit abe372f0be19e8f73c6def060b6a32ba81c1a6e2
author xf.li <xf.li@mobiletek.cn> Tue May 13 02:44:32 2025 -0700
committer xf.li@mobiletek.cn <xf.li@mobiletek.cn> Tue May 13 11:45:36 2025 +0000
tree 01f3738ba4f19e1e8e0979f72ef0caed41ab2585
parent 866dac3729d4b65f8a3bc6ceb3f096a458be4048

[Bugfix][bug-view-1152] Fix the problem of high CPU load on nv instruction

Only Configure：No
Affected branch：master/intest
Affected module：nv
Is it affected on: only ZXIC
Self-test: Yes
Doc Update:No

Change-Id: I4a463a6e46655497b43b0089ed3710a142d2b2ca

ap/app/zte_comm/nvserver/nvserver.c

diff --git a/ap/app/zte_comm/nvserver/nvserver.c b/ap/app/zte_comm/nvserver/nvserver.c
index fe5ba99..4e240f8 100755
--- a/ap/app/zte_comm/nvserver/nvserver.c
+++ b/ap/app/zte_comm/nvserver/nvserver.c
@@ -146,9 +146,14 @@
         }
         
         analyMsg(&rcvBuf, &sndBuf);
-        
+msgsnd_retry:
         if(-1 == msgsnd(msgId, &sndBuf, sizeof(T_NV_MSG_RESULT) - sizeof(long), 0))
         {
+            if (errno == EINTR)
+            {
+                printf("nvserver error: msgsnd fail, errno = EINTR!\n");
+                goto msgsnd_retry;
+            }
             printf("nvserver error: nvserver msgsnd fail, errno = %d!\n", errno);
             continue;   
         }