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    commit 489982d4b8442af25a380f8c22be542055cda81f
    parent 0f6942cdf6f8220f1ecd06e4b398e95c43833d44
    Author: Rob Pilling <rob@egbert>
    Date:   Wed, 19 Jun 2013 21:24:01 +0100

    Fixed lock up when system time jumps backwards

    Signed-off-by: Christoph Lohmann <20h@r-36.net>

    Diffstat:
    Mst.c | 7+++++--

    1 file changed, 5 insertions(+), 2 deletions(-)
    diff --git a/st.c b/st.c
    @@ -3687,6 +3687,8 @@ run(void) {
     	gettimeofday(&last, NULL);

     	for(xev = actionfps;;) {
    +		long deltatime;
    +
     		FD_ZERO(&rfd);
     		FD_SET(cmdfd, &rfd);
     		FD_SET(xfd, &rfd);
    @@ -3720,8 +3722,9 @@ run(void) {
     			gettimeofday(&lastblink, NULL);
     			dodraw = 1;
     		}
    -		if(TIMEDIFF(now, last) \
    -				> (xev? (1000/xfps) : (1000/actionfps))) {
    +		deltatime = TIMEDIFF(now, last);
    +		if(deltatime > (xev? (1000/xfps) : (1000/actionfps))
    +				|| deltatime < 0) {
     			dodraw = 1;
     			last = now;
     		}