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runtime: ignore exceptions from foreign threads.

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Fixes #8224.

LGTM=alex.brainman, rsc
R=alex.brainman, rsc, dave
CC=golang-codereviews
https://golang.org/cl/104200046
This commit is contained in:
Shenghou Ma 2014-07-09 23:55:35 -04:00
parent 76ce843afe
commit a1778ec146
2 changed files with 10 additions and 0 deletions
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5
src/pkg/runtime/sys_windows_386.s
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@ -88,6 +88,10 @@ TEXT runtime·sigtramp(SB),NOSPLIT,$0-0
// fetch g
get_tls(DX)
CMPL DX, $0
JNE 3(PC)
MOVL $0, AX // continue
JMP done
MOVL g(DX), DX
CMPL DX, $0
JNE 2(PC)
@ -99,6 +103,7 @@ TEXT runtime·sigtramp(SB),NOSPLIT,$0-0
CALL runtime·sighandler(SB)
// AX is set to report result back to Windows
done:
// restore callee-saved registers
MOVL 24(SP), DI
MOVL 20(SP), SI

5
src/pkg/runtime/sys_windows_amd64.s
View File

@ -120,6 +120,10 @@ TEXT runtime·sigtramp(SB),NOSPLIT,$0-0
// fetch g
get_tls(DX)
CMPQ DX, $0
JNE 3(PC)
MOVQ $0, AX // continue
JMP done
MOVQ g(DX), DX
CMPQ DX, $0
JNE 2(PC)
@ -131,6 +135,7 @@ TEXT runtime·sigtramp(SB),NOSPLIT,$0-0
CALL runtime·sighandler(SB)
// AX is set to report result back to Windows
done:
// restore registers as required for windows callback
MOVQ 24(SP), R15
MOVQ 32(SP), R14