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runtime: provide a dummy value of _SIGPROF on plan9 and windows

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Fixes build on plan9 and windows.

Change-Id: Ic9b02c641ab84e4f6d8149de71b9eb495e3343b2
Reviewed-on: https://go-review.googlesource.com/2233
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
This commit is contained in:
Shenghou Ma 2014-12-31 20:55:47 -05:00 committed by Minux Ma
parent 0b2a74e89c
commit 1f28238557
5 changed files with 12 additions and 2 deletions
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1
src/runtime/defs_windows.go
View File

@ -41,6 +41,7 @@ const (
DUPLICATE_SAME_ACCESS = C.DUPLICATE_SAME_ACCESS
THREAD_PRIORITY_HIGHEST = C.THREAD_PRIORITY_HIGHEST
SIGPROF = 0 // dummy value for badsignal
SIGINT = C.SIGINT
CTRL_C_EVENT = C.CTRL_C_EVENT
CTRL_BREAK_EVENT = C.CTRL_BREAK_EVENT

1
src/runtime/defs_windows_386.go
View File

@ -15,6 +15,7 @@ const (
_DUPLICATE_SAME_ACCESS = 0x2
_THREAD_PRIORITY_HIGHEST = 0x2
_SIGPROF = 0 // dummy value for badsignal
_SIGINT = 0x2
_CTRL_C_EVENT = 0x0
_CTRL_BREAK_EVENT = 0x1

1
src/runtime/defs_windows_amd64.go
View File

@ -15,6 +15,7 @@ const (
_DUPLICATE_SAME_ACCESS = 0x2
_THREAD_PRIORITY_HIGHEST = 0x2
_SIGPROF = 0 // dummy value for badsignal
_SIGINT = 0x2
_CTRL_C_EVENT = 0x0
_CTRL_BREAK_EVENT = 0x1

2
src/runtime/os2_plan9.go
View File

@ -69,4 +69,6 @@ const (
_SIGINTDIV = 4
_SIGFLOAT = 5
_SIGTRAP = 6
// dummy value defined for badsignal
_SIGPROF = 0
)

9
src/runtime/sigqueue.go
View File

@ -160,8 +160,13 @@ func badsignal(sig uintptr) {
// call to cgocallback below will bring down the whole process.
// It's better to miss a few SIGPROF signals than to abort in this case.
// See http://golang.org/issue/9456.
if sig == _SIGPROF && needextram != 0 {
return
switch GOOS {
case "windows", "plan9":
// no actual SIGPROF is defined, nothing to do
default:
if sig == _SIGPROF && needextram != 0 {
return
}
}
cgocallback(unsafe.Pointer(funcPC(sigsend)), noescape(unsafe.Pointer(&sig)), unsafe.Sizeof(sig))
}