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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
commit73df946d56c74384511a194dd01dbe099584fd1a (patch)
treefd0bcea490dd81327ddfbb31e215439672c9a068 /misc/cgo/testcshared/testdata/libgo2
parentInitial commit. (diff)
downloadgolang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.tar.xz
golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.zip
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'misc/cgo/testcshared/testdata/libgo2')
-rw-r--r--misc/cgo/testcshared/testdata/libgo2/dup2.go13
-rw-r--r--misc/cgo/testcshared/testdata/libgo2/dup3.go13
-rw-r--r--misc/cgo/testcshared/testdata/libgo2/libgo2.go52
3 files changed, 78 insertions, 0 deletions
diff --git a/misc/cgo/testcshared/testdata/libgo2/dup2.go b/misc/cgo/testcshared/testdata/libgo2/dup2.go
new file mode 100644
index 0000000..d18f0b1
--- /dev/null
+++ b/misc/cgo/testcshared/testdata/libgo2/dup2.go
@@ -0,0 +1,13 @@
+// Copyright 2015 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.
+
+// +build darwin dragonfly freebsd linux,!arm64 netbsd openbsd
+
+package main
+
+import "syscall"
+
+func dup2(oldfd, newfd int) error {
+ return syscall.Dup2(oldfd, newfd)
+}
diff --git a/misc/cgo/testcshared/testdata/libgo2/dup3.go b/misc/cgo/testcshared/testdata/libgo2/dup3.go
new file mode 100644
index 0000000..c9c65a6
--- /dev/null
+++ b/misc/cgo/testcshared/testdata/libgo2/dup3.go
@@ -0,0 +1,13 @@
+// Copyright 2015 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.
+
+// +build linux,arm64
+
+package main
+
+import "syscall"
+
+func dup2(oldfd, newfd int) error {
+ return syscall.Dup3(oldfd, newfd, 0)
+}
diff --git a/misc/cgo/testcshared/testdata/libgo2/libgo2.go b/misc/cgo/testcshared/testdata/libgo2/libgo2.go
new file mode 100644
index 0000000..e57c93b
--- /dev/null
+++ b/misc/cgo/testcshared/testdata/libgo2/libgo2.go
@@ -0,0 +1,52 @@
+// Copyright 2015 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.
+
+// +build darwin dragonfly freebsd linux netbsd openbsd solaris
+
+package main
+
+// Test a shared library created by -buildmode=c-shared that does not
+// export anything.
+
+import (
+ "fmt"
+ "os"
+ "syscall"
+)
+
+// To test this we want to communicate between the main program and
+// the shared library without using any exported symbols. The init
+// function creates a pipe and Dups the read end to a known number
+// that the C code can also use.
+
+const (
+ fd = 30
+)
+
+func init() {
+ var p [2]int
+ if e := syscall.Pipe(p[0:]); e != nil {
+ fmt.Fprintf(os.Stderr, "pipe: %v\n", e)
+ os.Exit(2)
+ }
+
+ if e := dup2(p[0], fd); e != nil {
+ fmt.Fprintf(os.Stderr, "dup2: %v\n", e)
+ os.Exit(2)
+ }
+
+ const str = "PASS"
+ if n, e := syscall.Write(p[1], []byte(str)); e != nil || n != len(str) {
+ fmt.Fprintf(os.Stderr, "write: %d %v\n", n, e)
+ os.Exit(2)
+ }
+
+ if e := syscall.Close(p[1]); e != nil {
+ fmt.Fprintf(os.Stderr, "close: %v\n", e)
+ os.Exit(2)
+ }
+}
+
+func main() {
+}