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cmd/cgo: no atexit support #4221

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gopherbot opened this issue Oct 9, 2012 · 2 comments

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@gopherbot
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commented Oct 9, 2012

by eduard.castany:

What steps will reproduce the problem?
package main

/*
#include <stdio.h>
void print() {
    printf("yuhu\nyuhu");
}
*/
import "C"

func main() {
    C.print()
}

What is the expected output?
yuhu
yuhu

What do you see instead?
yuhu

Which compiler are you using (5g, 6g, 8g, gccgo)?
6g

Which operating system are you using?
linux 64

Which version are you using?  (run 'go version')
go version devel +2c2052f38c3c Tue Oct 09 09:55:57 2012 +0400
@rsc

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commented Oct 9, 2012

Comment 1:

A Go program exiting does not call C's atexit handlers, so stdout does not get flushed.
If you add C.fflush() to your program, you'll get both lines.
I think we probably want to keep the current behavior: we've worked hard to avoid atexit
handlers.

Labels changed: added priority-later, removed priority-triage.

Status changed to Thinking.

@rsc

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commented Dec 9, 2012

Comment 2:

Yes, please use an explicit C.fflush.

Status changed to WorkingAsIntended.

@rsc rsc added this to the Go1.1 milestone Apr 14, 2015

@rsc rsc removed the go1.1 label Apr 14, 2015

@golang golang locked and limited conversation to collaborators Jun 24, 2016

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