2015-12-16 13:16:17 -07:00
|
|
|
// 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.
|
|
|
|
|
|
|
|
package main
|
|
|
|
|
2017-01-29 07:34:50 -07:00
|
|
|
/*
|
|
|
|
#include <signal.h>
|
|
|
|
#include <unistd.h>
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <stdio.h>
|
|
|
|
|
|
|
|
// Raise SIGPIPE.
|
|
|
|
static void CRaiseSIGPIPE() {
|
|
|
|
int fds[2];
|
|
|
|
|
|
|
|
if (pipe(fds) == -1) {
|
|
|
|
perror("pipe");
|
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
|
|
|
// Close the reader end
|
|
|
|
close(fds[0]);
|
|
|
|
// Write to the writer end to provoke a SIGPIPE
|
|
|
|
if (write(fds[1], "some data", 9) != -1) {
|
|
|
|
fprintf(stderr, "write to a closed pipe succeeded\n");
|
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
|
|
|
close(fds[1]);
|
|
|
|
}
|
|
|
|
*/
|
2015-12-16 13:16:17 -07:00
|
|
|
import "C"
|
|
|
|
|
|
|
|
import (
|
|
|
|
"fmt"
|
|
|
|
"os"
|
|
|
|
"runtime"
|
|
|
|
)
|
|
|
|
|
|
|
|
// RunGoroutines starts some goroutines that don't do anything.
|
|
|
|
// The idea is to get some threads going, so that a signal will be delivered
|
|
|
|
// to a thread started by Go.
|
|
|
|
//export RunGoroutines
|
|
|
|
func RunGoroutines() {
|
|
|
|
for i := 0; i < 4; i++ {
|
|
|
|
go func() {
|
|
|
|
runtime.LockOSThread()
|
|
|
|
select {}
|
|
|
|
}()
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2022-08-19 15:43:47 -06:00
|
|
|
// Block blocks the current thread while running Go code.
|
|
|
|
//export Block
|
|
|
|
func Block() {
|
|
|
|
select {}
|
|
|
|
}
|
|
|
|
|
2015-12-16 13:16:17 -07:00
|
|
|
var P *byte
|
|
|
|
|
|
|
|
// TestSEGV makes sure that an invalid address turns into a run-time Go panic.
|
|
|
|
//export TestSEGV
|
|
|
|
func TestSEGV() {
|
|
|
|
defer func() {
|
|
|
|
if recover() == nil {
|
|
|
|
fmt.Fprintln(os.Stderr, "no panic from segv")
|
|
|
|
os.Exit(1)
|
|
|
|
}
|
|
|
|
}()
|
|
|
|
*P = 0
|
|
|
|
fmt.Fprintln(os.Stderr, "continued after segv")
|
|
|
|
os.Exit(1)
|
|
|
|
}
|
|
|
|
|
2016-03-25 16:57:25 -06:00
|
|
|
// Noop ensures that the Go runtime is initialized.
|
|
|
|
//export Noop
|
|
|
|
func Noop() {
|
|
|
|
}
|
|
|
|
|
2017-01-29 07:34:50 -07:00
|
|
|
// Raise SIGPIPE.
|
|
|
|
//export GoRaiseSIGPIPE
|
|
|
|
func GoRaiseSIGPIPE() {
|
|
|
|
C.CRaiseSIGPIPE()
|
|
|
|
}
|
|
|
|
|
2015-12-16 13:16:17 -07:00
|
|
|
func main() {
|
|
|
|
}
|