Replace the use of wall clock time with monotonically increasing

clock.  In general, gettimeofday() is not appropriate interface
when accounting for elasped time because it can go backward, in
which case the policy code could errornously consider the limit
as exceeded.

MFC after:	1 week
Reported by:	Mahesh Arumugam
Submitted by:	Dorr H. Clark via gnn
Sponsored by:	Citrix / NetScaler
This commit is contained in:
Xin LI 2012-06-04 18:02:09 +00:00
parent cec20e143c
commit 4f985ef6b9
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=236572
2 changed files with 4 additions and 4 deletions

View File

@ -688,11 +688,11 @@ main(int argc, char **argv)
*/
if (dofork) {
if (sep->se_count++ == 0)
(void)gettimeofday(&sep->se_time, (struct timezone *)NULL);
(void)clock_gettime(CLOCK_MONOTONIC_FAST, &sep->se_time);
else if (toomany > 0 && sep->se_count >= toomany) {
struct timeval now;
struct timespec now;
(void)gettimeofday(&now, (struct timezone *)NULL);
(void)clock_gettime(CLOCK_MONOTONIC_FAST, &now);
if (now.tv_sec - sep->se_time.tv_sec >
CNT_INTVL) {
sep->se_time = now;

View File

@ -109,7 +109,7 @@ struct servtab {
u_int se_rpc_lowvers; /* RPC low version */
u_int se_rpc_highvers; /* RPC high version */
int se_count; /* number started since se_time */
struct timeval se_time; /* start of se_count */
struct timespec se_time; /* start of se_count */
struct servtab *se_next;
struct se_flags {
u_int se_nomapped : 1;