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5 Commits
Author SHA1 Message Date
Adin ScannellandgVisor bot 1ceb814544 Add default_applicable_licenses rules to packages. 
PiperOrigin-RevId: 513581243
 2023-03-02 10:50:04 -08:00
Zeling FengandgVisor bot 611e6e1247 Handle all codes for ICMPv4 destination unreachable message for TCP 
Some hosts use iptables and are configured to respond an ICMP destination
unreachable message with a {host/net/admin}prohibited code instead of a RST.
Linux handles these codes correctly by aborting the handshake. This commit
adds handling of all possible codes of an ICMPv4 destination unreachable message
to bring gVisor to parity.

PiperOrigin-RevId: 496703813
 2022-12-20 11:07:27 -08:00
Zach KoopmansandgVisor bot ce58d71fd5 [syserror] Remove pkg syserror. 
Removes package syserror and moves still relevant code to either linuxerr
or to syserr (to be later removed).

Internal errors are converted from random types to *errors.Error types used
in linuxerr. Internal errors are in linuxerr/internal.go.

PiperOrigin-RevId: 390724202
 2021-08-13 17:16:52 -07:00
Zach KoopmansandgVisor bot 02370bbd31 [syserror] Convert remaining syserror definitions to linuxerr. 
Convert remaining public errors (e.g. EINTR) from syserror to linuxerr.

PiperOrigin-RevId: 390471763
 2021-08-12 15:19:12 -07:00
Zach KoopmansandgVisor bot 63b4f6e296 [syserror] Refactor linuxerr and error package. 
Move Error struct to pkg/errors package for use in multiple places.
Move linuxerr static definitions under pkg/errors/linuxerr.
Add a lookup list for quick lookup of *errors.Error by errno. This is useful
when converting syserror errors and unix.Errno/syscall.Errrno values to
*errors.Error.
Update benchmarks routines to include conversions.

The below benchmarks show *errors.Error usage to be comparable to using
unix.Errno.

BenchmarkAssignUnix
BenchmarkAssignUnix-32                 	787875022	         1.284 ns/op
BenchmarkAssignLinuxerr
BenchmarkAssignLinuxerr-32             	1000000000	         1.209 ns/op
BenchmarkAssignSyserror
BenchmarkAssignSyserror-32             	759269229	         1.429 ns/op
BenchmarkCompareUnix
BenchmarkCompareUnix-32                	1000000000	         1.310 ns/op
BenchmarkCompareLinuxerr
BenchmarkCompareLinuxerr-32            	1000000000	         1.241 ns/op
BenchmarkCompareSyserror
BenchmarkCompareSyserror-32            	147196165	         8.248 ns/op
BenchmarkSwitchUnix
BenchmarkSwitchUnix-32                 	373233556	         3.664 ns/op
BenchmarkSwitchLinuxerr
BenchmarkSwitchLinuxerr-32             	476323929	         3.294 ns/op
BenchmarkSwitchSyserror
BenchmarkSwitchSyserror-32             	39293408	        29.62 ns/op
BenchmarkReturnUnix
BenchmarkReturnUnix-32                 	1000000000	         0.5042 ns/op
BenchmarkReturnLinuxerr
BenchmarkReturnLinuxerr-32             	1000000000	         0.8152 ns/op
BenchmarkConvertUnixLinuxerr
BenchmarkConvertUnixLinuxerr-32        	739948875	         1.547 ns/op
BenchmarkConvertUnixLinuxerrZero
BenchmarkConvertUnixLinuxerrZero-32    	977733974	         1.489 ns/op

PiperOrigin-RevId: 379806801
 2021-06-16 14:08:52 -07:00