From:	sos AT prospect DOT com DOT ru (Sergey Okhapkin)
Subject:	RE: spawn and wait?
30 Dec 1997 23:44:35 -0800 :
Message-ID:	<01BD15D5.A72D67B0.cygnus.gnu-win32@gater.krystalbank.msk.ru>
To:	"gnu-win32 AT cygnus DOT com" <gnu-win32 AT cygnus DOT com>,
	"'cgf AT bbc DOT com'"
	<cgf AT bbc DOT com>

Christopher Faylor wrote:
> Actually if you are running a recent coolview, then I believe that Sergey
> has made cwait and wait interchangeable.

Yes, you're absolutely right. Here is an extract from spawn code:
  else if ((mode == _P_NOWAIT) || (mode == _P_NOWAITO))
    {
      res = pid;
    }

  CloseHandle (pi.hThread);
  return (int) res;

And cwait implementation:

extern "C"
int
cwait (int *result, int pid, int)
{
  return waitpid (pid, result, 0);
}

In original b18 cygwin.dll spawn(_P_NOWAIT) returned win32 child process's handle and cwait() waited on that handle.

-- 
Sergey Okhapkin, http://www.lexa.ru/sos
Moscow, Russia
Looking for a job.


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