From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin-patches@cygwin.com
Subject: Re: [PATCH v2] cygwin: use CREATE_DEFAULT_ERROR_MODE in spawn
Date: Thu, 10 Dec 2020 10:47:30 +0100 [thread overview]
Message-ID: <20201210094730.GA4102@calimero.vinschen.de> (raw)
In-Reply-To: <alpine.BSO.2.21.2012091123460.9707@resin.csoft.net>
On Dec 9 11:27, Jeremy Drake via Cygwin-patches wrote:
> This allows native processes to get Windows-default error handling
> behavior (such as invoking the registered JIT debugger).
>
> ---
> winsup/cygwin/spawn.cc | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/winsup/cygwin/spawn.cc b/winsup/cygwin/spawn.cc
> index 92d190d1a..83b216f52 100644
> --- a/winsup/cygwin/spawn.cc
> +++ b/winsup/cygwin/spawn.cc
> @@ -431,6 +431,13 @@ child_info_spawn::worker (const char *prog_arg, const char *const *argv,
>
> c_flags |= CREATE_SEPARATE_WOW_VDM | CREATE_UNICODE_ENVIRONMENT;
>
> + /* Add CREATE_DEFAULT_ERROR_MODE flag for non-Cygwin processes so they
> + get the default error mode instead of inheriting the mode Cygwin
> + uses. This allows things like Windows Error Reporting/JIT debugging
> + to work with processes launched from a Cygwin shell. */
> + if (!real_path.iscygexec ())
> + c_flags |= CREATE_DEFAULT_ERROR_MODE;
> +
> /* We're adding the CREATE_BREAKAWAY_FROM_JOB flag here to workaround
> issues with the "Program Compatibility Assistant (PCA) Service".
> For some reason, when starting long running sessions from mintty(*),
> --
> 2.29.2.windows.3
Pushed.
Thanks,
Corinna
prev parent reply other threads:[~2020-12-10 9:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-09 19:27 Jeremy Drake
2020-12-10 9:47 ` Corinna Vinschen [this message]
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