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* ext/pty/pty.c (pty_check): should return nil until the child

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terminates or stops.  [ruby-dev:44600] [Bug #2642]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33468 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2011-10-14 03:14:00 +00:00
parent 3a0e582e1f
commit 039f12b5bb
3 changed files with 38 additions and 1 deletions
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2
ext/pty/pty.c
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@ -658,7 +658,7 @@ pty_check(int argc, VALUE *argv, VALUE self)
rb_scan_args(argc, argv, "11", &pid, &exc);
cpid = rb_waitpid(NUM2PIDT(pid), &status, WNOHANG|WUNTRACED);
if (cpid == -1) return Qnil;
if (cpid == -1 || cpid == 0) return Qnil;
if (!RTEST(exc)) return rb_last_status_get();
raise_from_check(cpid, status);