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* ext/pty/pty.c (pty_getpty): check dup failure.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23861 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2009-06-26 13:01:16 +00:00
parent cadee06b2a
commit c86115e996
2 changed files with 27 additions and 1 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Fri Jun 26 21:48:30 2009 Tanaka Akira <akr@fsij.org>
* ext/pty/pty.c (pty_getpty): check dup failure.
Fri Jun 26 17:33:46 2009 Yukihiro Matsumoto <matz@ruby-lang.org>
* test/ruby/test_rubyoptions.rb (TestRubyOptions#test_rubyopt):

24
ext/pty/pty.c
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@ -511,7 +511,27 @@ pty_detach_process(struct pty_info *info)
return Qnil;
}
/* ruby function: getpty */
/*
* call-seq:
* PTY.spawn(command...) {|r, w, pid| ... } => nil
* PTY.spawn(command...) => r, w, pid
* PTY.getpty(command...) {|r, w, pid| ... } => nil
* PTY.getpty(command...) => r, w, pid
*
* spawns the specified command on a newly allocated pty.
*
* The command's controlling tty is set to the slave device of the pty.
* Also its standard input/output/error is redirected to the slave device.
*
* PTY.spawn returns two IO objects and PID.
* PID is the process ID of the command.
* The two IO objects are connected to the master device of the pty.
* The first IO object is opened as read mode and
* The second is opened as write mode.
*
* If a block is given, two IO objects and PID is yielded.
*
*/
static VALUE
pty_getpty(int argc, VALUE *argv, VALUE self)
{
@ -533,6 +553,8 @@ pty_getpty(int argc, VALUE *argv, VALUE self)
wfptr->mode = rb_io_mode_flags("w") | FMODE_SYNC;
wfptr->fd = dup(info.fd);
if (wfptr->fd == -1)
rb_sys_fail("dup()");
wfptr->pathv = rfptr->pathv;
res = rb_ary_new2(3);