Don't poll VSM_Status() while there is work to do and no interruptions.

Fixes #2788

Don't poll VSM_Status() while there is work to do and no interruptions.
Fixes #2788
f465e905 · Poul-Henning Kamp · Dridi Boukelmoune · 2c9f3d15 · f465e905
Commit f465e905 authored Oct 04, 2018 by Poul-Henning Kamp Committed by Dridi Boukelmoune Oct 16, 2018
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vut.c lib/libvarnishapi/vut.c +4 -1

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--- a/lib/libvarnishapi/vut.c
+++ b/lib/libvarnishapi/vut.c
@@ -420,7 +420,10 @@ VUT_Main(struct VUT *vut)
 			AZ(c);
 		}

-		i = VSLQ_Dispatch(vut->vslq, vut_dispatch, vut);
+		do
+			i = VSLQ_Dispatch(vut->vslq, vut_dispatch, vut);
+		while (i == vsl_more && !vut->sighup && !vut->sigusr1);
+
 		if (i == vsl_more)
 			continue;
 		else if (i == vsl_end) {