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misc/cgo: re-enable some tests

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The testso directory still needs to be enabled.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5731048
This commit is contained in:
Russ Cox 2012-03-06 23:27:30 -05:00
parent 0bc18811b5
commit c3f4319a24
20 changed files with 79 additions and 121 deletions
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38
misc/cgo/gmp/Makefile
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@ -1,38 +0,0 @@
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
include ../../../src/Make.inc
TARG=gmp
# Can have plain GOFILES too, but this example doesn't.
CGOFILES=\
gmp.go
CGO_LDFLAGS=-lgmp
# To add flags necessary for locating the library or its include files,
# set CGO_CFLAGS or CGO_LDFLAGS. For example, to use an
# alternate installation of the library:
# CGO_CFLAGS=-I/home/rsc/gmp32/include
# CGO_LDFLAGS+=-L/home/rsc/gmp32/lib
# Note the += on the second line.
CLEANFILES+=pi fib
include ../../../src/Make.pkg
# Simple test programs
# Computes 1000 digits of pi; single-threaded.
pi: install pi.go
$(GC) $(GCFLAGS) $(GCIMPORTS) pi.go
$(LD) -o $@ pi.$O
# Computes 200 Fibonacci numbers; multi-threaded.
fib: install fib.go
$(GC) $(GCFLAGS) $(GCIMPORTS) fib.go
$(LD) -o $@ fib.$O

4
misc/cgo/gmp/fib.go
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@ -2,6 +2,8 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// Compute Fibonacci numbers with two goroutines
// that pass integers back and forth. No actual
// concurrency, just threads and synchronization
@ -10,7 +12,7 @@
package main
import (
big "gmp"
big "."
"runtime"
)

4
misc/cgo/gmp/pi.go
View File

@ -1,3 +1,5 @@
// +build ignore
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
@ -38,8 +40,8 @@ POSSIBILITY OF SUCH DAMAGE.
package main
import (
big "."
"fmt"
big "gmp"
"runtime"
)

35
misc/cgo/life/Makefile
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@ -1,35 +0,0 @@
# Copyright 2010 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
include ../../../src/Make.inc
TARG=life
CGOFILES=\
life.go\
CGO_OFILES=\
c-life.o\
ifeq ($(GOOS),windows)
ifeq ($(GOARCH),amd64)
CGO_OFILES+=\
lib64_libmingwex_a-wassert.o\
lib64_libmingw32_a-mingw_helpers.o\
lib64_libmingwex_a-wassert.o:
ar -x /mingw/x86_64-w64-mingw32/lib/libmingwex.a lib64_libmingwex_a-wassert.o
lib64_libmingw32_a-mingw_helpers.o:
ar -x /mingw/x86_64-w64-mingw32/lib/libmingw32.a lib64_libmingw32_a-mingw_helpers.o
endif
endif
CLEANFILES+=life
include ../../../src/Make.pkg
life: install main.go
$(GC) $(GCFLAGS) $(GCIMPORTS) main.go
$(LD) -o $@ main.$O

4
misc/cgo/life/main.go
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@ -2,14 +2,16 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// Run the game of life in C using Go for parallelization.
package main
import (
"."
"flag"
"fmt"
"life"
)
const MAXDIM = 100

7
misc/cgo/life/test.bash
View File

@ -4,8 +4,11 @@
# license that can be found in the LICENSE file.
set -e
gomake life
go build -o life main.go
echo '*' life >run.out
./life >>run.out
diff run.out golden.out
gomake clean
rm -f life

17
misc/cgo/stdio/Makefile
View File

@ -1,17 +0,0 @@
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
include ../../../src/Make.inc
TARG=stdio
CGOFILES=\
file.go\
CLEANFILES+=hello fib chain run.out
include ../../../src/Make.pkg
%: install %.go
$(GC) $(GCFLAGS) $(GCIMPORTS) $*.go
$(LD) -o $@ $*.$O

4
misc/cgo/stdio/chain.go
View File

@ -2,13 +2,15 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// Pass numbers along a chain of threads.
package main
import (
"../stdio"
"runtime"
"stdio"
"strconv"
)

4
misc/cgo/stdio/fib.go
View File

@ -2,6 +2,8 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// Compute Fibonacci numbers with two goroutines
// that pass integers back and forth. No actual
// concurrency, just threads and synchronization
@ -10,8 +12,8 @@
package main
import (
"../stdio"
"runtime"
"stdio"
"strconv"
)

2
misc/cgo/stdio/file.go
View File

@ -28,7 +28,7 @@ var Stderr = (*File)(C.stderr)
// Test reference to library symbol.
// Stdout and stderr are too special to be a reliable test.
var myerr = C.sys_errlist
//var = C.environ
func (f *File) WriteString(s string) {
p := C.CString(s)

4
misc/cgo/stdio/hello.go
View File

@ -2,9 +2,11 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
package main
import "stdio"
import "../stdio"
func main() {
stdio.Stdout.WriteString(stdio.Greeting + "\n")

9
misc/cgo/stdio/test.bash
View File

@ -4,7 +4,10 @@
# license that can be found in the LICENSE file.
set -e
gomake hello fib chain
go build hello.go
go build fib.go
go build chain.go
echo '*' hello >run.out
./hello >>run.out
echo '*' fib >>run.out
@ -12,4 +15,6 @@ echo '*' fib >>run.out
echo '*' chain >>run.out
./chain >>run.out
diff run.out golden.out
gomake clean
rm -f hello fib chain

4
misc/cgo/test/basic.go
View File

@ -55,7 +55,7 @@ int add(int x, int y) {
*/
import "C"
import (
"os"
"syscall"
"testing"
"unsafe"
)
@ -110,7 +110,7 @@ func testErrno(t *testing.T) {
C.fclose(f)
t.Fatalf("C.fopen: should fail")
}
if err != os.ENOENT {
if err != syscall.ENOENT {
t.Fatalf("C.fopen: unexpected error: %v", err)
}
}

8
misc/cgo/test/callback.go
View File

@ -6,14 +6,12 @@ package cgotest
/*
void callback(void *f);
void callGoFoo(void) {
extern void goFoo(void);
goFoo();
}
void callGoFoo(void);
*/
import "C"
import (
"./backdoor"
"runtime"
"testing"
"unsafe"
@ -43,7 +41,7 @@ func testCallbackGC(t *testing.T) {
nestedCall(runtime.GC)
}
func lockedOSThread() bool // in runtime.c
var lockedOSThread = backdoor.LockedOSThread
func testCallbackPanic(t *testing.T) {
// Make sure panic during callback unwinds properly.

20
misc/cgo/test/callback_c.c
View File

@ -15,3 +15,23 @@ callback(void *f)
goCallback(f);
data[sizeof(data)-1] = 0;
}
void
callGoFoo(void)
{
extern void goFoo(void);
goFoo();
}
void
IntoC(void)
{
BackIntoGo();
}
void
twoSleep(int n)
{
BackgroundSleep(n);
sleep(n);
}

2
misc/cgo/test/issue1328.go
View File

@ -7,7 +7,7 @@ package cgotest
import "testing"
// extern void BackIntoGo(void);
// void IntoC() { BackIntoGo(); }
// void IntoC(void);
import "C"
//export BackIntoGo

5
misc/cgo/test/issue1560.go
View File

@ -10,10 +10,7 @@ package cgotest
unsigned int sleep(unsigned int seconds);
extern void BackgroundSleep(int);
void twoSleep(int n) {
BackgroundSleep(n);
sleep(n);
}
void twoSleep(int);
*/
import "C"

18
src/cmd/dist/build.c vendored
View File

@ -52,6 +52,19 @@ static char *okgoos[] = {
"windows",
};
// The known cgo-enabled combinations.
// This list is also known to ../../pkg/go/build/build.go.
static char *okcgo[] = {
"darwin/386",
"darwin/amd64",
"linux/386",
"linux/amd64",
"freebsd/386",
"freebsd/amd64",
"windows/386",
"windows/amd64",
};
static void rmworkdir(void);
// find reports the first index of p in l[0:n], or else -1.
@ -1308,6 +1321,11 @@ cmdenv(int argc, char **argv)
xprintf(format, "GOTOOLDIR", tooldir);
xprintf(format, "GOCHAR", gochar);
if(find(bprintf(&b, "%s/%s", goos, goarch), okcgo, nelem(okcgo)))
xprintf(format, "CGO_ENABLED", "1");
else
xprintf(format, "CGO_ENABLED", "0");
if(pflag) {
sep = ":";
if(streq(gohostos, "windows"))

1
src/pkg/go/build/build.go
View File

@ -210,6 +210,7 @@ func (ctxt *Context) SrcDirs() []string {
// if set, or else the compiled code's GOARCH, GOOS, and GOROOT.
var Default Context = defaultContext()
// This list is also known to ../../../cmd/dist/build.c.
var cgoEnabled = map[string]bool{
"darwin/386": true,
"darwin/amd64": true,

8
src/run.bash
View File

@ -35,31 +35,25 @@ go test sync -short -timeout=120s -cpu=10
xcd() {
echo
echo --- cd $1
echo '#' $1
builtin cd "$GOROOT"/src/$1
}
BROKEN=true
$BROKEN ||
[ "$CGO_ENABLED" != 1 ] ||
[ "$GOHOSTOS" == windows ] ||
(xcd ../misc/cgo/stdio
"$GOMAKE" clean
./test.bash
) || exit $?
$BROKEN ||
[ "$CGO_ENABLED" != 1 ] ||
(xcd ../misc/cgo/life
"$GOMAKE" clean
./test.bash
) || exit $?
$BROKEN ||
[ "$CGO_ENABLED" != 1 ] ||
(xcd ../misc/cgo/test
"$GOMAKE" clean
go test
) || exit $?