mirror of
https://github.com/golang/go
synced 2024-11-08 19:36:22 -07:00
8f1e2d4ef7
If we run 'go test ./...' in the misc module, we don't want to see errors for these standalone files. We could instead add +ignore tags to each file individually, but this is exactly what a testdata directory is for. Updates #30228 Change-Id: I7047ad888dd6aff701f5982d58b6a79f6a487c58 Reviewed-on: https://go-review.googlesource.com/c/163417 Run-TryBot: Bryan C. Mills <bcmills@google.com> Reviewed-by: Jay Conrod <jayconrod@google.com>
64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
// Copyright 2017 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
|
|
|
|
// This program failed with SIGSEGV when run under the C/C++ ThreadSanitizer.
|
|
// The Go runtime had re-registered the C handler with the wrong flags due to a
|
|
// typo, resulting in null pointers being passed for the info and context
|
|
// parameters to the handler.
|
|
|
|
/*
|
|
#cgo CFLAGS: -fsanitize=thread
|
|
#cgo LDFLAGS: -fsanitize=thread
|
|
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <ucontext.h>
|
|
|
|
void check_params(int signo, siginfo_t *info, void *context) {
|
|
ucontext_t* uc = (ucontext_t*)(context);
|
|
|
|
if (info->si_signo != signo) {
|
|
fprintf(stderr, "info->si_signo does not match signo.\n");
|
|
abort();
|
|
}
|
|
|
|
if (uc->uc_stack.ss_size == 0) {
|
|
fprintf(stderr, "uc_stack has size 0.\n");
|
|
abort();
|
|
}
|
|
}
|
|
|
|
|
|
// Set up the signal handler in a high priority constructor, so
|
|
// that it is installed before the Go code starts.
|
|
|
|
static void register_handler(void) __attribute__ ((constructor (200)));
|
|
|
|
static void register_handler() {
|
|
struct sigaction sa;
|
|
memset(&sa, 0, sizeof(sa));
|
|
sigemptyset(&sa.sa_mask);
|
|
sa.sa_flags = SA_SIGINFO;
|
|
sa.sa_sigaction = check_params;
|
|
|
|
if (sigaction(SIGUSR1, &sa, NULL) != 0) {
|
|
perror("failed to register SIGUSR1 handler");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
*/
|
|
import "C"
|
|
|
|
import "syscall"
|
|
|
|
func init() {
|
|
C.raise(C.int(syscall.SIGUSR1))
|
|
}
|
|
|
|
func main() {}
|