I found golang gc will hang when started from a daemonlized c++ program.
But fine if not daemonlized.
在 2017年9月13日星期三 UTC+8上午1:22:35，Ian Lance Taylor写道：
>
> On Tue, Sep 12, 2017 at 9:52 AM, <wolfk...@gmail.com <javascript:>>
> wrote:
> >
> > To be precise, I want to know if the garbage-collection thread still
> runs if
> > the program is started from C++ main-entry.
> > I think a pure golang program will start the gc-thread before the 'func
> > main(){}' but I don't know if it still holds true if the golang-part is
> > only a static-library.
>
> It's not precisely accurate to see that there is a garbage-collection
> thread (there is a "system monitor" thread) but it is accurate to say
> that Go garbage collection works in parallel when linked into a C
> program just as it does in a normal Go program. The Go runtime will
> start threads as needed either way.
>
> Ian
>
> > 在 2017年9月13日星期三 UTC+8上午12:42:15，wolfk...@gmail.com写道：
> >>
> >> By using cgo, I wrappered some complex code written by golang into a
> >> static-lib and call into the lib
> >> from C++.
> >> My question is: the process will run from a c++ main-entry. Will
> golang's
> >> gc-background thread work in this way? I'm worried that the entry is
> from
> >> C++ code and golang's vm-environment may not be complete so that gc
> won't
> >> work and there will be memory-leaks.
> >
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