lighttpd is rarely core dumped.

[nori0428]

• environment
  
  lighttpd on MAC OSX
  
  WebKit trunk v5.0 (6533.16, r60920)
  
• symptom
  
  lighttpd is rarely core dumped.
  
• checked
  
  Even though I set signal(SIGPIPE, SIG_IGN) immediately before writev, but recv SIGPIPE.
  

backtrace.

Program received signal SIGPIPE, Broken pipe.
0x00007fff81a0d996 in writev ()
(gdb) bt

0 0x00007fff81a0d996 in writev ()

1 0x00000001000330d8 in network_write_chunkqueue_writev (srv=0x100800000, con=0x1002122a0, fd=8, cq=0x10025dcc0) at network_writev.c:104

2 0x00000001001a8f74 in mod_websocket_handle_subrequest (srv=0x100800000, con=0x1002122a0, p_d=0x10020db00) at mod_websocket.c:1126

3 0x00000001001a9a30 in websocket_handle_fdevent (s=0x100800000, ctx=0x10025d7b0, revents=1) at mod_websocket.c:1361

4 0x0000000100003b2b in main (argc=6, argv=0x7fff5fbff6f0) at server.c:1446

[nori0428]

fixed by commit on http://github.com/nori0428/mod_websocket/commit/08ccebcedcdbdb5dd860a2f910c23992468e5030