code review 4452046: runtime: turn "too many EPIPE" into real SIGPIPE

src/pkg/runtime/linux/amd64/signal.c

 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 #include "runtime.h"
 #include "defs.h"
 #include "signals.h"
 #include "os.h"
 
 void
@@ skipping 167 matching lines @@
                 sigaction(SIGPROF, SIG_IGN, true);
         } else {
                 sigaction(SIGPROF, runtime·sighandler, true);
                 it.it_interval.tv_sec = 0;
                 it.it_interval.tv_usec = 1000000 / hz;
                 it.it_value = it.it_interval;
                 runtime·setitimer(ITIMER_PROF, &it, nil);
         }
         m->profilehz = hz;
 }
+
+void
+os·sigpipe(void)
+{
+        sigaction(SIGPIPE, SIG_DFL, false);
+        runtime·raisesigpipe();
+}