Added more printfs to sopen_child_thread().

src/xpdev/wraptest.c

@@ -296,7 +296,7 @@ static void sopen_child_thread(void* arg)
 {
 	int fd;
 
-	printf("sopen_child_thread: %d",arg);
+	printf("sopen_child_thread: %d begin\n",(int)arg);
 	if((fd=sopen(LOCK_FNAME,O_RDWR,SH_DENYWR))!=-1) {
 		if(arg)
 			printf("!FAILURE: was able to reopen in child thread\n");
@@ -306,6 +306,7 @@ static void sopen_child_thread(void* arg)
 		close(fd);
 	} else if(arg==0)
 		perror(LOCK_FNAME);
+	printf("sopen_child_thread: %d end\n",(int)arg);
 }
 
 /* End of wraptest.c */