X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=gettime-thread.c;h=72cc4d8a472783f7e73d7d40f8a8da9f56759a2a;hp=c1b4b0967c28f354b8a3e6c9ad82fc2845c41e56;hb=27325ed5a4f770b681c6847352c547d51dbdeb62;hpb=95820b6e6c92025df8d89c0bf39b174e53137c41

diff --git a/gettime-thread.c b/gettime-thread.c
index c1b4b096..72cc4d8a 100644
--- a/gettime-thread.c
+++ b/gettime-thread.c
@@ -6,7 +6,7 @@
 #include "fio.h"
 #include "smalloc.h"
 
-struct timeval *fio_tv;
+struct timeval *fio_tv = NULL;
 int fio_gtod_offload = 0;
 int fio_gtod_cpu = -1;
 static pthread_t gtod_thread;
@@ -20,8 +20,15 @@ void fio_gtod_init(void)
 
 static void fio_gtod_update(void)
 {
-	if (fio_tv)
-		gettimeofday(fio_tv, NULL);
+	if (fio_tv) {
+		struct timeval __tv;
+
+		gettimeofday(&__tv, NULL);
+		fio_tv->tv_sec = __tv.tv_sec;
+		write_barrier();
+		fio_tv->tv_usec = __tv.tv_usec;
+		write_barrier();
+	}
 }
 
 static void *gtod_thread_main(void *data)