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| author | Ian Lewis <ianlewis@google.com> | 2019-11-26 18:19:47 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2019-11-26 18:21:09 -0800 |
| commit | 20279c305ece6a458006999c8dafc5672ca92803 (patch) | |
| tree | 086e072c05f1bc0f6f1b972774fad452b7bb6c35 /README.md | |
| parent | 4a620c436dabbb0d5036e137bfdd44b945e3cff0 (diff) | |
Allow open(O_TRUNC) and (f)truncate for proc files.
This allows writable proc and devices files to be opened with O_CREAT|O_TRUNC.
This is encountered most frequently when interacting with proc or devices files
via the command line.
e.g. $ echo 8192 1048576 4194304 > /proc/sys/net/ipv4/tcp_rmem
Also adds a test to test the behavior of open(O_TRUNC), truncate, and ftruncate
on named pipes.
Fixes #1116
PiperOrigin-RevId: 282677425
Diffstat (limited to 'README.md')
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