GNU make losing jobserver tokens

Noel Grandin
Tue Mar 22 06:54:50 GMT 2022

On 2022/03/21 5:09 pm, Ken Brown wrote:
> On 3/21/2022 10:28 AM, Magnus Ihse Bursie wrote:
>> We have had a long-standing issue with make losing jobserver tokens. ("long-standing" here means for years, and years, 
>> at least since GNU make 4.0, up to and including the current latest version in Cygwin.)


It was not that long ago that Linus Torvalds found a bug in the Linux kernel pipe implementation which caused GNU make 
to lose jobserver tokens, so possibly researching that bug may shed some light on the kinds of things that could be 
wrong with the Cygwin pipe code.

Regards, Noel Grandin

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