[3.0] d1bf3bb Ignore SIGPIPE, it causes the test-executing subprocess to bail out before all diagnostics have been gathered.

[Tollef Fog Heen]

commit d1bf3bbace16c95064f8197e1cbcbc3173533c88
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Tue Oct 25 08:15:35 2011 +0000

    Ignore SIGPIPE, it causes the test-executing subprocess to bail out
    before all diagnostics have been gathered.
    
    Conflicts:
    
    	bin/varnishtest/vtc.c

diff --git a/bin/varnishtest/vtc.c b/bin/varnishtest/vtc.c
index 3bee42a..53cbdcd 100644
--- a/bin/varnishtest/vtc.c
+++ b/bin/varnishtest/vtc.c
@@ -530,6 +530,8 @@ exec_file(const char *fn, const char *script, const char *tmpdir,
 	FILE *f;
 	struct extmacro *m;
 
+	signal(SIGPIPE, SIG_IGN);
+
 	vtc_loginit(logbuf, loglen);
 	vltop = vtc_logopen("top");
 	AN(vltop);