runtime: turn "too many EPIPE" into real SIGPIPE
Tested on Linux and OS X, amd64 and 386.
R=r, iant
CC=golang-dev
https://golang.org/cl/4452046
diff --git a/src/pkg/runtime/freebsd/amd64/sys.s b/src/pkg/runtime/freebsd/amd64/sys.s
index 9a6fdf1..c5cc082 100644
--- a/src/pkg/runtime/freebsd/amd64/sys.s
+++ b/src/pkg/runtime/freebsd/amd64/sys.s
@@ -65,6 +65,18 @@
SYSCALL
RET
+TEXT runtime·raisesigpipe(SB),7,$16
+ // thr_self(&8(SP))
+ LEAQ 8(SP), DI // arg 1 &8(SP)
+ MOVL $432, AX
+ SYSCALL
+ // thr_kill(self, SIGPIPE)
+ MOVQ 8(SP), DI // arg 1 id
+ MOVQ $13, SI // arg 2 SIGPIPE
+ MOVL $433, AX
+ SYSCALL
+ RET
+
TEXT runtime·setitimer(SB), 7, $-8
MOVL 8(SP), DI
MOVQ 16(SP), SI
