STINNER Victor <vstin...@redhat.com> added the comment:
The manual page says:
sendfile() will transfer at most 0x7ffff000 (2,147,479,552) bytes,
returning the number of bytes actually transferred. (This is true on
both 32-bit and 64-bit systems.)
I understand that you can pass a larger length, but a single sendfile()
function call will never copy more than 0x7ffff000 bytes. I see nothing wrong
here.
If you want to be sure, try to copy more bytes than 0x7ffff000 and see what
happens :-) Use strace to check system calls.
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue35179>
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