Bug #3262: can’t create fiber & SEGV in windows
http://redmine.ruby-lang.org/issues/show/3262
e$B5/I<<Te(B: masaya tarui
e$B%9%F!<%?%9e(B: Open, e$BM%@hEYe(B: Normal
e$B%+%F%4%je(B: core, Target version: 1.9.2
ruby -v: ruby 1.9.2dev (2010-05-09 trunk 27684) [i386-mswin32_90]
windowse$B$K$*$$$Fe(B fiber
e$B$,:n$l$J$/$J$C$Fe(BSEGVe$B$9$k;v$,$"$j$^$9!#e(B
[BUG] Segmentation fault
ruby 1.9.2dev (2010-05-09 trunk 27684) [i386-mswin32_90]
– control frame ----------
c:0001 p:---- s:0001 b:-001 l:000000 d:000000 ------
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#e$BC1BN$Ge(Btest_fiber.rbe$B$rF0$+$7$F$bMn$A$J$$!#!#!#e(B
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e$B!Je(B SwitchToFiber(0); e$B$r<B9T$7$FMn$A$k!#!Ke(B
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Index: cont.c
— cont.c (e$B%j%S%8%g%se(B 27685)
+++ cont.c (e$B:n6H%3%T!<e(B)
@@ -548,6 +548,14 @@
#ifdef _WIN32
fib->fib_handle = CreateFiberEx(size - 1, size, 0, fiber_entry,
NULL);
- if(fib->fib_handle==NULL){
-
//try release unnecessary fibers & retry create -
rb_gc(); -
fib->fib_handle = CreateFiberEx(size - 1, size, 0, fiber_entry,
NULL);
-
if(fib->fib_handle==NULL){ -
rb_raise(rb_eFiberError, "can't create fiber"); -
} - }
#else /* not WIN32 */
ucontext_t *context = &fib->context;
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