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Date: Sat, 25 Jul 2015 19:03:43 +0200
Subject: Re: [ANNOUNCEMENT] Update: mintty 2.1.2
From: "Houder" <houder AT xs4all DOT nl>
To: cygwin AT cygwin DOT com, "Thomas Wolff" <towo AT towo DOT net>
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>> Hi Thomas,
>>> Maybe setsid() should not be called if fork() fails...
>>> Could you try this please:
>>>     if (daemonize && !isatty(0)) {
>>>       int pid = fork();
>>>       if (pid > 0) exit(0);    // exit parent process
>>>       if (pid == 0) setsid();  // detach child process
>>>       if (pid < 0) {
>>>         error("could not detach from caller");
>>>         exit(9);
>>>       }
>>>     }
>> Hint: source code of setsid.c -- util-linux package)
> ... or maybe the parent thread should not exit immediately but wait:
>    if (daemonize && !isatty(0)) {
> #include <sys/wait.h>
>      int status;
>      int pid = fork();
>      if (pid > 0) {
>        waitpid(pid, &status, 0);
>        exit(0);
>      }
>      setsid();
>    }
>
> Can you please try both alternatives?

Hi Thomas,

I found the bug (more or less): it is me (AND you). More will follow soon.

Henri


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