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21 Commits

Author SHA1 Message Date
Nicolas Lacasse 6cf2278167 Automated rollback of changelist 208284483 
PiperOrigin-RevId: 208685417
Change-Id: Ie2849c4811e3a2d14a002f521cef018ded0c6c4a
 2018-08-14 11:50:49 -07:00
Justine Olshan ae6f092fe1 Implemented the splice(2) syscall. 
Currently the implementation matches the behavior of moving data
between two file descriptors. However, it does not implement this
through zero-copy movement. Thus, this code is a starting point
to build the more complex implementation.

PiperOrigin-RevId: 208284483
Change-Id: Ibde79520a3d50bc26aead7ad4f128d2be31db14e
 2018-08-10 16:11:01 -07:00
Michael Pratt 2e06b23aa6 Fix missing O_LARGEFILE from O_CREAT files 
Cleanup some more syscall.O_* references while we're here.

PiperOrigin-RevId: 208133460
Change-Id: I48db71a38f817e4f4673977eafcc0e3874eb9a25
 2018-08-09 16:50:37 -07:00
Fabricio Voznika 4e171f7590 Basic support for ip link/addr and ifconfig 
Closes #94

PiperOrigin-RevId: 207997580
Change-Id: I19b426f1586b5ec12f8b0cd5884d5b401d334924
 2018-08-08 22:39:58 -07:00
Michael Pratt b6a37ab9d9 Update comment reference 
PiperOrigin-RevId: 207180809
Change-Id: I08c264812919e81b2c56fdd4a9ef06924de8b52f
 2018-08-02 15:56:40 -07:00
Zhaozhong Ni 57d0fcbdbf Automated rollback of changelist 207037226 
PiperOrigin-RevId: 207125440
Change-Id: I6c572afb4d693ee72a0c458a988b0e96d191cd49
 2018-08-02 10:42:48 -07:00
Michael Pratt 60add78980 Automated rollback of changelist 207007153 
PiperOrigin-RevId: 207037226
Change-Id: I8b5f1a056d4f3eab17846f2e0193bb737ecb5428
 2018-08-01 19:57:32 -07:00
Zhaozhong Ni b9e1cf8404 stateify: convert all packages to use explicit mode. 
PiperOrigin-RevId: 207007153
Change-Id: Ifedf1cc3758dc18be16647a4ece9c840c1c636c9
 2018-08-01 15:43:24 -07:00
Justine Olshan 2793f7ac5f Added the O_LARGEFILE flag. 
This flag will always be true for gVisor files.

PiperOrigin-RevId: 206355963
Change-Id: I2f03d2412e2609042df43b06d1318cba674574d0
 2018-07-27 12:27:46 -07:00
Zhaozhong Ni be7fcbc558 stateify: support explicit annotation mode; convert refs and stack packages. 
We have been unnecessarily creating too many savable types implicitly.

PiperOrigin-RevId: 206334201
Change-Id: Idc5a3a14bfb7ee125c4f2bb2b1c53164e46f29a8
 2018-07-27 10:17:21 -07:00
Neel Natu ed2e03d378 Add API to decode 'stat.st_rdev' into major and minor numbers. 
PiperOrigin-RevId: 204936533
Change-Id: Ib060920077fc914f97c4a0548a176d1368510c7b
 2018-07-17 10:50:53 -07:00
Adin Scannell 29e00c943a Add CPUID faulting for ptrace and KVM. 
PiperOrigin-RevId: 204858314
Change-Id: I8252bf8de3232a7a27af51076139b585e73276d4
 2018-07-16 22:02:58 -07:00
Neel Natu 8f21c0bb28 Add EventOperations.HostFD() 
This method allows an eventfd inside the Sentry to be registered with with
the host kernel.

Update comment about memory mapping host fds via CachingInodeOperations.

PiperOrigin-RevId: 204784859
Change-Id: I55823321e2d84c17ae0f7efaabc6b55b852ae257
 2018-07-16 12:20:05 -07:00
Jamie Liu b9c469f372 Move ptrace constants to abi/linux. 
PiperOrigin-RevId: 204188763
Change-Id: I5596ab7abb3ec9e210a7f57b3fc420e836fa43f3
 2018-07-11 14:24:19 -07:00
Ian Gudger d571a4359c Implement ioctl(FIOASYNC) 
FIOASYNC and friends are used to send signals when a file is ready for IO.

This may or may not be needed by Nginx. While Nginx does use it, it is unclear
if the code that uses it has any effect.

PiperOrigin-RevId: 201550828
Change-Id: I7ba05a7db4eb2dfffde11e9bd9a35b65b98d7f50
 2018-06-21 10:53:21 -07:00
Rahat Mahmood 8878a66a56 Implement sysv shm. 
PiperOrigin-RevId: 197058289
Change-Id: I3946c25028b7e032be4894d61acb48ac0c24d574
 2018-05-17 15:06:19 -07:00
Kevin Krakauer 08879266fe sentry: Adds canonical mode support. 
PiperOrigin-RevId: 196331627
Change-Id: Ifef4485f8202c52481af317cedd52d2ef48cea6a
 2018-05-11 17:19:46 -07:00
Jamie Liu 12c161f278 Implement MAP_32BIT. 
PiperOrigin-RevId: 196281052
Change-Id: Ie620a0f983a1bf2570d0003d4754611879335c1c
 2018-05-11 11:18:31 -07:00
Jamie Liu 3ac3ea1d6a Correct definition of SysV IPC structures. 
PiperOrigin-RevId: 195849066
Change-Id: If2146c7ce649522f86e661c5e52a9983345d6967
 2018-05-08 11:26:36 -07:00
Fabricio Voznika c90fefc116 Fix runsc capabilities 
There was a typo and one new capability missing from the list

PiperOrigin-RevId: 195427713
Change-Id: I6d9e1c6e77b48fe85ef10d9f54c70c8a7271f6e7
 2018-05-04 09:39:28 -07:00
Googler d02b74a5dc Check in gVisor. 
PiperOrigin-RevId: 194583126
Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463
 2018-04-28 01:44:26 -04:00