# \[bug:trunk\] rubyspec: Kernel.spawn redirects both STDERR and STDOUT to the given name ERROR

**URL:** <https://www.ruby-forum.com/t/bug-trunk-rubyspec-kernel-spawn-redirects-both-stderr-and-stdout-to-the-given-name-error/189215>\
**Category:** Development\
**Created:** [May 26, 2010, 10:14pm UTC](https://www.ruby-forum.com/t/bug-trunk-rubyspec-kernel-spawn-redirects-both-stderr-and-stdout-to-the-given-name-error/189215 "2010-05-26T22:14:49Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [May 26, 2010, 10:14pm UTC](https://www.ruby-forum.com/t/bug-trunk-rubyspec-kernel-spawn-redirects-both-stderr-and-stdout-to-the-given-name-error/189215/1 "2010-05-26T22:14:49Z")

</div>

e$B1sF#$G$9!#e(B

spawn e$B$N%j%@%$%l%/%H$N0z?t$Ge(B :out =\> “foo”  
e$B$H$7$?$H$-!"%U%!%$%ke(B foo e$B$,B8:\_e(B  
e$B$7$J$1$l$P:n$C$F$/$l$^$9$,!"e(B[:out, :err] =\> “foo”  
e$B$@$H:n$C$F$/$l$^$;$s!#e(B

ruby -e ‘pid = spawn(“echo”, “foo”, [:out, :err] =\> “foo”);  
Proces.wait pid’

e$B$3$l$O0U?^E\*$G$7$g$&$+!#e(B  
e$B$&$C$H$&$7$$$3$H$K!"e(Brubyspec  
e$B$,$3$N5sF0$K0MB8$7$F\<:GT$9$k$h$&$K$J$j$^$7$?!#e(B

e$BG[Ns$NCf$,$9$Y$Fe(B :out e$B$+e(B :err e$B$@$C$?$ie(B O\_CREAT|O\_TRUNC  
e$B$K$9$k%Q%C%A$G$9!#e(B  
e$BH?BP$,$J$1$l$P%3%\_%C%H$7$^$9!#e(B

diff --git a/process.c b/process.c  
index 9e52392…4ca6ed3 100644  
— a/process.c  
+++ b/process.c  
@@ -1342,7 +1342,19 @@ check\_exec\_redirect(VALUE key, VALUE val, VALUE  
options)  
key = check\_exec\_redirect\_fd(key);  
if (FIXNUM\_P(key) && (FIX2INT(key) == 1 || FIX2INT(key) == 2))  
flags = INT2NUM(O\_WRONLY|O\_CREAT|O\_TRUNC);

- 

```
   else

```

- 

```
   else if (TYPE(key) == T_ARRAY) {

```

- 

```
 int i;

```

- 

```
 for (i = 0; i < RARRAY_LEN(key); i++) {

```

- VALUE v = RARRAY\_PTR(key)[i];
- VALUE fd = check\_exec\_redirect\_fd(v);
- if (FIX2INT(fd) != 1 && FIX2INT(fd) != 2) break;
- 

```
 }

```

- 

```
 if (i == RARRAY_LEN(key))

```

- flags = INT2NUM(O\_WRONLY|O\_CREAT|O\_TRUNC);
- 

```
 else

```

- flags = INT2NUM(O\_RDONLY);
- }
- else  
flags = INT2NUM(O\_RDONLY);  
perm = INT2FIX(0644);  
param = hide\_obj(rb\_ary\_new3(3, hide\_obj(rb\_str\_dup(path)),

---

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [May 26, 2010, 11:54pm UTC](https://www.ruby-forum.com/t/bug-trunk-rubyspec-kernel-spawn-redirects-both-stderr-and-stdout-to-the-given-name-error/189215/2 "2010-05-26T23:54:58Z")

</div>

2010e$BG/e(B5e$B7ne(B27e$BF|e(B5:14 Yusuke ENDOH [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> e$BH?BP$,$J$1$l$P%3%\_%C%H$7$^$9!#e(B  
> e$B$=$N5sF0$O0-$/$J$$$H;W$$$^$9$,!"e(B1.9.1 e$B$HHs8\_49$G$9$M$'!#e(B

---

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [May 27, 2010, 11:09am UTC](https://www.ruby-forum.com/t/bug-trunk-rubyspec-kernel-spawn-redirects-both-stderr-and-stdout-to-the-given-name-error/189215/3 "2010-05-27T11:09:50Z")

</div>

e$B1sF#$G$9!#e(B

2010e$BG/e(B5e$B7ne(B27e$BF|e(B6:54 Tanaka A. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> > e$BG[Ns$NCf$,$9$Y$Fe(B :out e$B$+e(B :err e$B$@$C$?$ie(B O\_CREAT|O\_TRUNC e$B$K$9$k%Q%C%A$G$9!#e(B  
> > e$BH?BP$,$J$1$l$P%3%\_%C%H$7$^$9!#e(B
> 
> e$B$=$N5sF0$O0-$/$J$$$H;W$$$^$9$,!"e(B1.9.1 e$B$HHs8\_49$G$9$M$'!#e(B

e$B$&!\<$s!#$=$&$G$9$M$(!#e(B

:out =\> “foo”, :err =\> “foo” e$B$O$I$&$J$k$Y$-$+$H$+!“e(B[:in, :out] =\>  
“foo”  
e$B$K$O2?$r4|BT$9$k$N$+$H$+!”;EMM%l%Y%k$G8!F$$7$J$$$H9T$1$J$$5$$,$7$F$-$?$Ne(B  
e$B$G!“$3$3$@$1\>G$C$FD\>$9I,MW$O$J$$5$$,$7$F$-$^$7$?!#e(B  
e$B$3$N%A%1%C%H$Oe(B 1.9.x e$B$K$7$F!”:#$Oe(B rubyspec  
e$BB&$r=$@5$7$F$\*$-$^$9!#e(B