Mail Archives: djgpp/1995/06/06/05:47:56

From: zhwang AT vub DOT ac DOT be (Wang Z.)
Subject: Re: Spawnl() and system()
To: djgpp AT sun DOT soe DOT clarkson DOT edu
Date: Tue, 6 Jun 1995 10:38:44 +0200 (DST)

According to Michael Phelps:
> 	I've recently been having more troubles with system() and spawnl().
> I've been using code such as:
> 	char	command_line[100];
> 	sprintf(command_line, "%s %s", command, arg1);
> 	system(command_line);
> But I have been getting errors such as "EMM386 Exception #12.  Press ENTER to
> reboot."  So I switched to spawnl(), with 
> 	spawnl(P_WAIT, command, command, arg1, NULL);
> This sometimes works, and sometimes doesn't.  When it fails, it either appears
> to do nothing (just as if the command didn't exist, even though it is in the
> PATH), or the drive light is on for several seconds and then control is 
> restored to the calling program, with nothing executed.  Eli pointed out to me
> my failure to duplicate the command name a few weeks ago, but I am still 
> having this problem.  Is there something I'm doing wrong here?
> 						---Michael Phelps, MD
I had the same problem with spawnlp(). No solution yet. 

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