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590b8d3e99dd24d2bb625d00fa99fbc9296dfe2b
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6 Commits
Author SHA1 Message Date
Zach KoopmansandgVisor bot 590b8d3e99 [syserror] Update several syserror errors to linuxerr equivalents. 
Update/remove most syserror errors to linuxerr equivalents. For list
of removed errors, see //pkg/syserror/syserror.go.

PiperOrigin-RevId: 382574582
 2021-07-01 12:05:19 -07:00
Zach KoopmansandgVisor bot 6ef2684096 [syserror] Update syserror to linuxerr for EACCES, EBADF, and EPERM. 
Update all instances of the above errors to the faster linuxerr implementation.
With the temporary linuxerr.Equals(), no logical changes are made.

PiperOrigin-RevId: 382306655
 2021-06-30 08:18:59 -07:00
Zach KoopmansandgVisor bot 54b71221c0 [syserror] Change syserror to linuxerr for E2BIG, EADDRINUSE, and EINVAL 
Remove three syserror entries duplicated in linuxerr. Because of the
linuxerr.Equals method, this is a mere change of return values from
syserror to linuxerr definitions.

Done with only these three errnos as CLs removing all grow to a significantly
large size.

PiperOrigin-RevId: 382173835
 2021-06-29 15:08:46 -07:00
Zach KoopmansandgVisor bot e1dc1c78e7 [syserror] Add conversions to linuxerr with temporary Equals method. 
Add Equals method to compare syserror and unix.Errno errors to linuxerr errors.
This will facilitate removal of syserror definitions in a followup, and
finding needed conversions from unix.Errno to linuxerr.

PiperOrigin-RevId: 380909667
 2021-06-22 15:53:32 -07:00
Zach KoopmansandgVisor bot 1f2ce9f461 [syserror] Change p9 server to use linuxerr. 
Change the p9 server to use *errors.Error defined in pkg linuxerr. Done
separate from the client so that we ensure different p9 server/client versions
work with each other.

PiperOrigin-RevId: 380084491
 2021-06-17 17:54:11 -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