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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:
M
st.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;
         }