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Austin Clements c7c7c7031d runtime: fix, simplify, and improve scan state in goroutine header
Currently goroutineheader goes through some convolutions to *almost*
print the scan state of a G. However, the code path that would print
the scan state of the G refers to gStatusStrings where it almost
certainly meant to refer to gScanStatusStrings (which is unused), so
it winds up printing the regular status string without the scan state
either way. Furthermore, if the G is in _Gwaiting, we override the
status string and lose where this would indicate the scan state if it
worked.

This commit fixes this so the runtime prints the scan state. However,
rather than using a parallel list of status strings, this simply adds
a conditional print if the scan bit is set. This lets us remove the
string list, prints the scan state even in _Gwaiting, and lets us
strip off the scan bit at the beginning of the function, which
simplifies the rest of it.

Change-Id: Ic0adbe5c05abf4adda93da59f93b578172b28e3d
Reviewed-on: https://go-review.googlesource.com/18092
Reviewed-by: Keith Randall <khr@golang.org>
2015-12-28 01:12:24 +00:00
api api: fix typo in README 2015-12-19 07:15:39 +00:00
doc doc: change go1.6 http heading 2015-12-18 21:07:34 +00:00
lib/time lib/time: update to IANA release 2015e. 2015-07-22 02:56:31 +00:00
misc runtime: fix sigaltstack test Skipf format string 2015-12-24 18:34:18 +00:00
src runtime: fix, simplify, and improve scan state in goroutine header 2015-12-28 01:12:24 +00:00
test test: add test that gccgo miscompiled 2015-12-22 00:03:45 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore runtime: break out system-specific constants into package sys 2015-11-12 17:04:45 +00:00
AUTHORS A+C: automated updates 2015-11-13 14:07:05 +00:00
CONTRIBUTING.md doc: suggest security@golang.org for reporting security issues 2015-06-26 09:53:36 +00:00
CONTRIBUTORS CONTRIBUTORS: add Arkadi Pyuro <arkadi@google.com> 2015-12-11 17:38:00 +00:00
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README.md readme: emphasize issue tracker is for bugs/proposals 2015-10-02 18:44:14 +00:00
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