The maximum size of integer variable on 64bit machines is 2^31. Suppose the
writer takes 5 nanosecond to increase the counter by one, the result wraps
around in about 10 seconds.
Signed-off-by: Junchang Wang <junchangwang@xxxxxxxxx>
---
CodeSamples/count/count_stat_eventual.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/CodeSamples/count/count_stat_eventual.c b/CodeSamples/count/count_stat_eventual.c
index 75a0ca9..059ab8b 100644
--- a/CodeSamples/count/count_stat_eventual.c
+++ b/CodeSamples/count/count_stat_eventual.c
@@ -38,7 +38,7 @@ unsigned long read_count(void)
void *eventual(void *arg)
{
int t;
- int sum;
+ unsigned long sum;
while (stopflag < 3) {
sum = 0;
--
2.7.4
--
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