New submission from Марк Коренберг:
===
os.posix_fallocate(os.open('qwe.qwe', os.O_RDONLY|os.O_CREAT), 0, 1024*1024)
===
generates OSError with errno 0. Suppose this happen due to O_RDONLY flag.
strace :
====
open("qwe.qwe", O_RDONLY|O_CREAT|O_CLOEXEC, 0777) = 3
fallocate(3, 0, 0, 1048576) = -1 EBADF (Bad file descriptor)
====
Python 3.5.3, Ubuntu 64-bit.
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components: Library (Lib)
messages: 299660
nosy: socketpair
priority: normal
severity: normal
status: open
title: os.posix_fallocate() generate exception with errno 0
type: behavior
versions: Python 3.5, Python 3.6, Python 3.7
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue31106>
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