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10 Commits

Author SHA1 Message Date
Fabricio Voznika 45a8ae240d Add remaining procfs files 
Closes #1195

PiperOrigin-RevId: 300867055
 2020-03-13 18:57:07 -07:00
gVisor bot 4a73bae269 Initial network namespace support. 
TCP/IP will work with netstack networking. hostinet doesn't work, and sockets
will have the same behavior as it is now.

Before the userspace is able to create device, the default loopback device can
be used to test.

/proc/net and /sys/net will still be connected to the root network stack; this
is the same behavior now.

Issue #1833

PiperOrigin-RevId: 296309389
 2020-02-20 15:20:40 -08:00
gVisor bot 3557b26651 Allow vfs.IterDirentsCallback.Handle() to return an error. 
This is easier than storing errors from e.g. CopyOut in the callback.

PiperOrigin-RevId: 295230021
 2020-02-14 14:40:35 -08:00
gVisor bot e4c7f3e6f6 Inline vfs.VirtualFilesystem in Kernel struct 
This saves one pointer dereference per VFS access.

Updates #1623

PiperOrigin-RevId: 295216176
 2020-02-14 13:40:39 -08:00
gVisor bot 4075de11be Plumb VFS2 inside the Sentry 
- Added fsbridge package with interface that can be used to open
  and read from VFS1 and VFS2 files.
- Converted ELF loader to use fsbridge
- Added VFS2 types to FSContext
- Added vfs.MountNamespace to ThreadGroup

Updates #1623

PiperOrigin-RevId: 295183950
 2020-02-14 11:12:47 -08:00
Fabricio Voznika dcffddf0ca Remove argument from vfs.MountNamespace.DecRef() 
Updates #1035

PiperOrigin-RevId: 293194631
 2020-02-04 11:48:36 -08:00
Adin Scannell 0e2f1b7abd Update package locations. 
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
 2020-01-27 15:31:32 -08:00
Adin Scannell d29e59af9f Standardize on tools directory. 
PiperOrigin-RevId: 291745021
 2020-01-27 12:21:00 -08:00
Rahat Mahmood 896bd654b6 De-duplicate common test functionality for VFS2 filesystems. 
PiperOrigin-RevId: 291041576
 2020-01-22 15:16:21 -08:00
Rahat Mahmood ad1968ed56 Implement sysfs. 
PiperOrigin-RevId: 290822487
 2020-01-21 15:13:26 -08:00