e$B1sF#$G$9!#e(B
e$B0J2<$N$h$&$K$9$k$He(B SEGV e$B$7$^$9!#e(B
$ cat race.rb
f = proc {|s| /#{ sleep 1; s }/o }
[ Thread.new { f.call(“foo”); nil },
Thread.new { sleep 0.5; f.call(“bar”); nil },
].each {|t| t.join }
GC.start
p f.call
$ ./ruby race.rb
race.rb:6: [BUG] Segmentation fault
ruby 1.9.2dev (2009-11-24 trunk 25908) [i686-linux]
– control frame ----------
c:0004 p:---- s:0011 b:0011 l:000010 d:000010 CFUNC 
c:0003 p:0083 s:0007 b:0007 l:001d8c d:0022e8 EVAL race.rb:6
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
c:0001 p:0000 s:0002 b:0002 l:001d8c d:001d8c TOP
race.rb:6:in <main>' race.rb:6:inp’
e$B%;%0%a%s%F!<%7%g%s0cH?$G$9e(B
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race condition e$B$K$J$C$F$$$FE,@Z$K%^!<%/$5$l$J$/$J$k$h$&$G$9!#e(B
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e$BF14|$r9T$&$+!”$^$?$O2?$+$r$9$kI,MW$,$"$k$H;W$$$^$9!#e(B
once e$B%U%i%0$N$"$k@55,I=8=$rJ#?t%9%l%C%I$GF1;~$KI>2A$7$?>l9g$Ne(B
e$B0UL#$O$I$&$J$k$G$7$g$&$+!#e(B
e$B%A%1%C%He(B #2398 e$B$,99?7$5$l$^$7$?!#e(B (by Yusuke E.)
e$BC4Ev<Te(B Nobuyoshi N.e$B$+$ie(BYusuke E.e$B$KJQ99e(B
Target version 1.9.2e$B$K%;%C%He(B
ruby -v -e$B$K%;%C%He(B
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e$B$9$0$K%3%_%C%H$7$F$7$^$$$^$9$,!“H?BP$,$”$C$?$i8@$C$F$/$@$5$$!#e(B
diff --git a/insns.def b/insns.def
index 9541465…ba6f1d6 100644
— a/insns.def
+++ b/insns.def
@@ -1199,10 +1199,17 @@ onceinlinecache
()
(VALUE val)
{
- retry:
if (ic->ic_vmstat) {
val = ic->ic_value.value;
JUMP(dst);
}
- else if (ic->ic_value.value == Qundef)
- {
-
RUBY_VM_CHECK_INTS();
-
rb_thread_schedule();
- goto retry;
- }
else {
/* none */
ic->ic_value.value = Qundef;
http://redmine.ruby-lang.org/issues/show/2398
e$B%A%1%C%He(B #2398 e$B$,99?7$5$l$^$7$?!#e(B (by Yusuke E.)
e$B%9%F!<%?%9e(B Assignede$B$+$ie(BClosede$B$KJQ99e(B
e$B?JD=e(B % 0e$B$+$ie(B100e$B$KJQ99e(B
This issue was solved with changeset r27515.
Yusuke, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.
http://redmine.ruby-lang.org/issues/show/2398
