Re: There's no TCP_NOPUSH in Solaris 10

[Eric Wong <normalperson@yhbt.net>]

Edho Arief <edho@myconan.net> wrote:
> 2012/3/20 Eric Wong <normalperson@yhbt.net>:
> > Edho Arief <edho@myconan.net> wrote:
> >> 2012/3/19 Eric Wong <normalperson@yhbt.net>:
> >> >
> >> > OK, can you try with latest git?  Also which Ruby version are you using?
> >> > Did any of this work in previous version of kgio?
> >>
> >> I've never tested on other version since it was just my random weekend
> >> experiment.
> >>
> >> ruby 1.9.3p125 (2012-02-16 revision 34643) [i386-solaris2.10]
> >
> > If you have time, maybe truss/dtruss can tell you what's wrong?  Do ruby
> > tests themselves pass?  I'm not sure if anybody on the Ruby core team
> > tests/maintains your platform on a regular basis.
> 
> Failed one test for ruby: http://pastie.org/3634027

Use "make check", that runs "make test-all" as well

> Here is the truss for kgio make test (relevant part, I hope):
> 
> ruby -I lib:tmp/ext/ruby-1.9.3/ext/kgio
> test/test_unix_server_read_client_write.rb
> write(1, " r u b y   - I   l i b :".., 84)      = 84
> lwp_sigmask(SIG_SETMASK, 0x60004007, 0x00000000) = 0xFFBFFEFF [0x0000FFFF]
> lwp_sigmask(SIG_SETMASK, 0xFFBFFEFF, 0x0000FFFF) = 0x60004007 [0x00000000]
> vfork()                                         = 13190
> lwp_sigmask(SIG_SETMASK, 0x60004007, 0x00000000) = 0xFFBFFEFF [0x0000FFFF]
> schedctl()                                      = 0xFEF4F000
> lwp_sigmask(SIG_SETMASK, 0x00000000, 0x00000000) = 0xFFBFFEFF [0x0000FFFF]
> Run options:
> 
> # Running tests:
> 
> ........................waitid(P_ALL, 0, 0x080460E0, WEXITED|WTRAPPED)
> (sleeping...)

You probably need to follow the fork() and trace children ("strace -f"
for Linux, maybe "truss -f"?  My memory escapes me).

Just wondering, does this patch help?

--- a/test/lib_read_write.rb
+++ b/test/lib_read_write.rb
@@ -281,7 +281,7 @@ module LibReadWriteTest
     elapsed = 0
     foo = nil
     t0 = Time.now
-    thr = Thread.new { sleep 1; @rd.readpartial(nr) }
+    thr = Thread.new { sleep 1; @rd.read(nr) }
     foo = @wr.kgio_write("HELLO")
     elapsed = Time.now - t0