Bail out of CLI reads on signals

Spotted & prodded by: Hermunn Closes: #2026

Bail out of CLI reads on signals
Spotted & prodded by: Hermunn Closes: #2026
c3301061 · Poul-Henning Kamp · Pål Hermunn Johansen · 78be1d7d · c3301061
Commit c3301061 authored Oct 24, 2016 by Poul-Henning Kamp Committed by Pål Hermunn Johansen Oct 25, 2016
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cli_common.c lib/libvarnish/cli_common.c +4 -0

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--- a/lib/libvarnish/cli_common.c
+++ b/lib/libvarnish/cli_common.c
@@ -155,6 +155,10 @@ read_tmo(int fd, char *ptr, unsigned len, double tmo)
 	pfd.events = POLLIN;
 	for (j = 0; len > 0; ) {
 		i = poll(&pfd, 1, to);
+		if (i < 0) {
+			errno = EINTR;
+			return (-1);
+		}
 		if (i == 0) {
 			errno = ETIMEDOUT;
 			return (-1);