[Issue 21575] Child processes spawned by std.process.spawnProcess accidentally inherit signal masks in parent process

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21575

Tomoya Tanjo <ttanjo at gmail.com> changed:

           What    |Removed                     |Added
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           Severity|enhancement                 |major

--- Comment #1 from Tomoya Tanjo <ttanjo at gmail.com> ---
Sorry, I misunderstood the problem.

As shown in the following link, `execve` that is internally called by
spawnProcess does not inherit signal handlers but inherits signal masks of the
parent process.
Inheriting the signal masks is the source of this issue.

https://man7.org/linux/man-pages/man7/signal.7.html

I fixed the title of this issue.

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