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race: cmd/cgo changes

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This is a part of a bigger change that adds data race detection feature:
https://golang.org/cl/6456044
This change breaks circular dependency between runtime/race and syscall packages.

R=rsc
CC=golang-dev
https://golang.org/cl/6498079
This commit is contained in:
Dmitriy Vyukov 2012-09-18 23:42:18 +04:00
parent 0e60019a42
commit 99b6e9f73b
2 changed files with 7 additions and 2 deletions
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8
src/cmd/cgo/out.go
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@ -51,12 +51,16 @@ func (p *Package) writeDefs() {
fmt.Fprintf(fgo2, "// Created by cgo - DO NOT EDIT\n\n")
fmt.Fprintf(fgo2, "package %s\n\n", p.PackageName)
fmt.Fprintf(fgo2, "import \"unsafe\"\n\n")
fmt.Fprintf(fgo2, "import \"syscall\"\n\n")
if *importSyscall {
fmt.Fprintf(fgo2, "import \"syscall\"\n\n")
}
if !*gccgo && *importRuntimeCgo {
fmt.Fprintf(fgo2, "import _ \"runtime/cgo\"\n\n")
}
fmt.Fprintf(fgo2, "type _ unsafe.Pointer\n\n")
fmt.Fprintf(fgo2, "func _Cerrno(dst *error, x int) { *dst = syscall.Errno(x) }\n")
if *importSyscall {
fmt.Fprintf(fgo2, "func _Cerrno(dst *error, x int) { *dst = syscall.Errno(x) }\n")
}
typedefNames := make([]string, 0, len(typedef))
for name := range typedef {