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Date: Sat, 25 Jul 2015 00:03:48 +0200
From: Thomas Wolff <towo AT towo DOT net>
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To: cygwin AT cygwin DOT com
Subject: Re: [ANNOUNCEMENT] Update: mintty 2.1.2
References: <announce DOT 55B1677D DOT 5080303 AT towo DOT net>    <63a08c60771faffa23bc1c029235301d DOT squirrel AT oude-webmail DOT xs4all DOT nl>    <55B22422 DOT 6000601 AT towo DOT net> <d9ef810e0ad325a9b51f641a10a06f0b DOT squirrel AT oude-webmail DOT xs4all DOT nl>
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Am 24.07.2015 um 15:18 schrieb Houder:
> 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?
Thomas

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