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Message-ID: <5e6b90a1-409d-43db-aecd-68bcb7b032b4@maxrnd.com>
Date: Tue, 22 Apr 2025 19:46:16 -0700
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Subject: Re: posix_spawn
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From: Mark Geisert via Cygwin <cygwin AT cygwin DOT com>
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Hi Camm,

On 4/22/2025 12:31 PM, Camm Maguire via Cygwin-apps wrote:
> Greetings!  posix_spawnp is returning 10, or ECHILD, on the following
> call.  At least on my first reading (:-)), ECHILD is not one of the
> documented errors for fork, vfork, or clone referenced by the Linux
> manpage for posix_spawnp.  Suggestions?
> 
> Take care,
> 
> =============================================================================
> 
>    massert(!posix_spawn_file_actions_init(&file_actions));
>    massert(!posix_spawnattr_init(&attr));
> 
>    printf("spawn 2 %s\n",*p1);
>    for (pp=p1;pp<pe && *pp;pp++)
>      printf("spawn 2a %s\n",*pp);
>    for (pp=(void *)environ;*pp;pp++)
>      printf("spawn 2e %s\n",*pp);
>    
>    s=posix_spawnp(&pid, *p1, &file_actions, &attr,  (void *)p1, environ);
>    printf("spawn %d\n",s);fflush(stdout);
> 
> =============================================================================

Hmm, that's interesting.  Could you please post what we call an "STC", a 
Simple Test Case.  Something in C that demonstrates the problem and is 
completely self-contained, along with how to run it?  We don't want to 
be assuming things that are not shown in the code excerpt above.
Thanks,

..mark

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