diff options
| -rw-r--r-- | kern/mach_clock.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/kern/mach_clock.c b/kern/mach_clock.c index dba2320..c6e2d9d 100644 --- a/kern/mach_clock.c +++ b/kern/mach_clock.c @@ -232,8 +232,16 @@ void clock_interrupt( int delta; if (timedelta < 0) { - delta = usec - tickdelta; - timedelta += tickdelta; + if (usec > tickdelta) { + delta = usec - tickdelta; + timedelta += tickdelta; + } else { + /* Not enough time has passed, defer overflowing + * correction for later, keep only one microsecond + * delta */ + delta = 1; + timedelta += usec - 1; + } } else { delta = usec + tickdelta; |