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context is passed to DecRef() and Release() which is
needed for SO_LINGER implementation.
PiperOrigin-RevId: 324672584
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/dev/net/tun does not currently work with hostinet. This has caused some
program starts failing because it thinks the feature exists.
PiperOrigin-RevId: 297876196
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PiperOrigin-RevId: 296526279
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Because the abi will depend on the core types for marshalling (usermem,
context, safemem, safecopy), these need to be flattened from the sentry
directory. These packages contain no sentry-specific details.
PiperOrigin-RevId: 291811289
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PiperOrigin-RevId: 291745021
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PiperOrigin-RevId: 275139066
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PiperOrigin-RevId: 258607547
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Actual implementation to follow, but this will satisfy applications that
want it to just exist.
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These are unfortunately unused and unmaintained. They can be brought back in
the future if need requires it.
PiperOrigin-RevId: 255697132
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Addresses obvious typos, in the documentation only.
COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/443 from Pixep:fix/documentation-spelling 4d0688164eafaf0b3010e5f4824b35d1e7176d65
PiperOrigin-RevId: 255477779
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sockets, pipes and other non-seekable file descriptors don't
use file.offset, so we don't need to update it.
With this change, we will be able to call file operations
without locking the file.mu mutex. This is already used for
pipes in the splice system call.
PiperOrigin-RevId: 253746644
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All functions which allocate objects containing AtomicRefCounts will soon need
a context.
PiperOrigin-RevId: 253147709
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This can be merged after:
https://github.com/google/gvisor-website/pull/77
or
https://github.com/google/gvisor-website/pull/78
PiperOrigin-RevId: 253132620
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This does not actually implement an efficient splice or sendfile. Rather, it
adds a generic plumbing to the file internals so that this can be added. All
file implementations use the stub fileutil.NoSplice implementation, which
causes sendfile and splice to fall back to an internal copy.
A basic splice system call interface is added, along with a test.
PiperOrigin-RevId: 249335960
Change-Id: Ic5568be2af0a505c19e7aec66d5af2480ab0939b
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Closes #225
PiperOrigin-RevId: 247508791
Change-Id: I04f47cf2770b30043e5a272aba4ba6e11d0476cc
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Based on the guidelines at
https://opensource.google.com/docs/releasing/authors/.
1. $ rg -l "Google LLC" | xargs sed -i 's/Google LLC.*/The gVisor Authors./'
2. Manual fixup of "Google Inc" references.
3. Add AUTHORS file. Authors may request to be added to this file.
4. Point netstack AUTHORS to gVisor AUTHORS. Drop CONTRIBUTORS.
Fixes #209
PiperOrigin-RevId: 245823212
Change-Id: I64530b24ad021a7d683137459cafc510f5ee1de9
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PiperOrigin-RevId: 243018347
Change-Id: I1e5b80607c1df0747482abea61db7fcf24536d37
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Current gvisor doesn't give devices a right major and minor number.
When testing golang supporting of gvisor, I run the test case below:
```
$ docker run -ti --runtime runsc golang:1.12.1 bash -c "cd /usr/local/go/src && ./run.bash "
```
And it reports some errors, one of them is:
"--- FAIL: TestDevices (0.00s)
--- FAIL: TestDevices//dev/null_1:3 (0.00s)
dev_linux_test.go:45: for /dev/null Major(0x0) == 0, want 1
dev_linux_test.go:48: for /dev/null Minor(0x0) == 0, want 3
dev_linux_test.go:51: for /dev/null Mkdev(1, 3) == 0x103, want 0x0
--- FAIL: TestDevices//dev/zero_1:5 (0.00s)
dev_linux_test.go:45: for /dev/zero Major(0x0) == 0, want 1
dev_linux_test.go:48: for /dev/zero Minor(0x0) == 0, want 5
dev_linux_test.go:51: for /dev/zero Mkdev(1, 5) == 0x105, want 0x0
--- FAIL: TestDevices//dev/random_1:8 (0.00s)
dev_linux_test.go:45: for /dev/random Major(0x0) == 0, want 1
dev_linux_test.go:48: for /dev/random Minor(0x0) == 0, want 8
dev_linux_test.go:51: for /dev/random Mkdev(1, 8) == 0x108, want 0x0
--- FAIL: TestDevices//dev/full_1:7 (0.00s)
dev_linux_test.go:45: for /dev/full Major(0x0) == 0, want 1
dev_linux_test.go:48: for /dev/full Minor(0x0) == 0, want 7
dev_linux_test.go:51: for /dev/full Mkdev(1, 7) == 0x107, want 0x0
--- FAIL: TestDevices//dev/urandom_1:9 (0.00s)
dev_linux_test.go:45: for /dev/urandom Major(0x0) == 0, want 1
dev_linux_test.go:48: for /dev/urandom Minor(0x0) == 0, want 9
dev_linux_test.go:51: for /dev/urandom Mkdev(1, 9) == 0x109, want 0x0
"
So I think we'd better assign to them correct major/minor numbers following linux spec.
Signed-off-by: Wei Zhang <zhangwei198900@gmail.com>
Change-Id: I4521ee7884b4e214fd3a261929e3b6dac537ada9
PiperOrigin-RevId: 241609021
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PiperOrigin-RevId: 240600504
Change-Id: I7dd5f27c8da31f24b68b48acdf8f1c19dbd0c32d
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This is in preparation for improved page cache reclaim, which requires
greater integration between the page cache and page allocator.
PiperOrigin-RevId: 238444706
Change-Id: Id24141b3678d96c7d7dc24baddd9be555bffafe4
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PiperOrigin-RevId: 238360231
Change-Id: I5eaf8d26f8892f77d71c7fbd6c5225ef471cedf1
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Nothing reads them and they can simply get stale.
Generated with:
$ sed -i "s/licenses(\(.*\)).*/licenses(\1)/" **/BUILD
PiperOrigin-RevId: 231818945
Change-Id: Ibc3f9838546b7e94f13f217060d31f4ada9d4bf0
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Change-Id: I94704a90beebb53164325e0cce1fcb9a0b97d65c
PiperOrigin-RevId: 230817308
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More helper structs have been added to the fsutil package to make it easier to
implement fs.InodeOperations and fs.FileOperations.
PiperOrigin-RevId: 229305982
Change-Id: Ib6f8d3862f4216745116857913dbfa351530223b
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Platform objects are not savable, storing references to them in
filesystem datastructures would cause save to fail if someone actually
passed in a Platform.
Current implementations work because everywhere a Platform is
expected, we currently pass in a Kernel object which embeds Platform
and thus satisfies the interface.
Eliminate this indirection and save pointers to Kernel directly.
PiperOrigin-RevId: 225288336
Change-Id: Ica399ff43f425e15bc150a0d7102196c3d54a2ab
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PiperOrigin-RevId: 217951017
Change-Id: Ie08bf6987f98467d07457bcf35b5f1ff6e43c035
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PiperOrigin-RevId: 207125440
Change-Id: I6c572afb4d693ee72a0c458a988b0e96d191cd49
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PiperOrigin-RevId: 207037226
Change-Id: I8b5f1a056d4f3eab17846f2e0193bb737ecb5428
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PiperOrigin-RevId: 207007153
Change-Id: Ifedf1cc3758dc18be16647a4ece9c840c1c636c9
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We have been unnecessarily creating too many savable types implicitly.
PiperOrigin-RevId: 206334201
Change-Id: Idc5a3a14bfb7ee125c4f2bb2b1c53164e46f29a8
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PiperOrigin-RevId: 204508520
Change-Id: I09e5f8b6e69413370e1a0d39dbb7dc1ee0b6192d
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PiperOrigin-RevId: 200784607
Change-Id: I39aa6ee632936dcbb00fc298adccffa606e9f4c0
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PiperOrigin-RevId: 194583126
Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463
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