CPUUsage: don't hang on weird host

CarterLi · CarterLi · commit 6e816fca6eba · 2023-11-01T15:26:24.000+08:00
Try fixing CI of FreeBSD
diff --git a/src/detection/cpuusage/cpuusage.c b/src/detection/cpuusage/cpuusage.c
@@ -27,6 +27,7 @@ const char* ffGetCpuUsageResult(FFlist* result)
     if(cpuTimes1.length == 0) return "No CPU cores found";
 
     FF_LIST_AUTO_DESTROY cpuTimes2 = ffListCreate(sizeof(FFCpuUsageInfo));
+    uint32_t retryCount = 0;
 
 retry:
     error = ffGetCpuUsageInfo(&cpuTimes2);
@@ -41,6 +42,8 @@ const char* ffGetCpuUsageResult(FFlist* result)
         {
             ffListClear(&cpuTimes2);
             ffTimeSleep(200);
+            if (++retryCount >= 10)
+                return "Retry count exceeded";
             goto retry;
         }
     }

Original file line number	Diff line number	Diff line change
`@@ -27,6 +27,7 @@ const char* ffGetCpuUsageResult(FFlist* result)`
`27`	`27`	`if(cpuTimes1.length == 0) return "No CPU cores found";`
`28`	`28`
`29`	`29`	`FF_LIST_AUTO_DESTROY cpuTimes2 = ffListCreate(sizeof(FFCpuUsageInfo));`
	`30`	`+ uint32_t retryCount = 0;`
`30`	`31`
`31`	`32`	`retry:`
`32`	`33`	`error = ffGetCpuUsageInfo(&cpuTimes2);`
`@@ -41,6 +42,8 @@ const char* ffGetCpuUsageResult(FFlist* result)`
`41`	`42`	`{`
`42`	`43`	`ffListClear(&cpuTimes2);`
`43`	`44`	`ffTimeSleep(200);`
	`45`	`+ if (++retryCount >= 10)`
	`46`	`+ return "Retry count exceeded";`
`44`	`47`	`goto retry;`
`45`	`48`	`}`
`46`	`49`	`}`