Watch open/read/write/close WIndows syscalls with strace ?

[Roland Mainz]

Hi!

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We're trying to debug mysterious sporadic I/O issues in Windows native
git ('/cygdrive/c/Program Files/Git/cmd/git') started from Cygwin
3.5.0 mintty.exe ...
... which raises the question:

How can I watch the Windows syscalls for file open/read/write/close
with Cygwin strace for a new process and all its process and thread
children ?

I tried many combinations of --mask=xyz, -etc, but still do not see
any I/O happening...

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Bye,
Roland
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