svn commit: r287036 - stable/10/sys/kern
Ian Lepore
ian at FreeBSD.org
Sun Aug 23 16:22:22 UTC 2015
Author: ian
Date: Sun Aug 23 16:22:21 2015
New Revision: 287036
URL: https://svnweb.freebsd.org/changeset/base/287036
Log:
MFC r286423, r286429:
RFC 2783 requires a status of ETIMEDOUT, not EWOULDBLOCK, on a timeout.
Only process the PPS event types currently enabled in pps_params.mode.
Modified:
stable/10/sys/kern/kern_tc.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/kern/kern_tc.c
==============================================================================
--- stable/10/sys/kern/kern_tc.c Sun Aug 23 16:17:00 2015 (r287035)
+++ stable/10/sys/kern/kern_tc.c Sun Aug 23 16:22:21 2015 (r287036)
@@ -1511,8 +1511,12 @@ pps_fetch(struct pps_fetch_args *fapi, s
} else {
err = tsleep(pps, PCATCH, "ppsfch", timo);
}
- if (err == EWOULDBLOCK && fapi->timeout.tv_sec == -1) {
- continue;
+ if (err == EWOULDBLOCK) {
+ if (fapi->timeout.tv_sec == -1) {
+ continue;
+ } else {
+ return (ETIMEDOUT);
+ }
} else if (err != 0) {
return (err);
}
@@ -1668,6 +1672,9 @@ pps_event(struct pps_state *pps, int eve
#endif
KASSERT(pps != NULL, ("NULL pps pointer in pps_event"));
+ /* Nothing to do if not currently set to capture this event type. */
+ if ((event & pps->ppsparam.mode) == 0)
+ return;
/* If the timecounter was wound up underneath us, bail out. */
if (pps->capgen == 0 || pps->capgen != pps->capth->th_generation)
return;
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