47 lines
993 B
Go
47 lines
993 B
Go
// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build !plan9 && !windows
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// +build !plan9,!windows
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package main
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/*
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#include <signal.h>
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#include <stdlib.h>
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#include <string.h>
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static void abrthandler(int signum) {
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if (signum == SIGABRT) {
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exit(0); // success
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}
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}
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void registerAbortHandler() {
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struct sigaction act;
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memset(&act, 0, sizeof act);
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act.sa_handler = abrthandler;
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sigaction(SIGABRT, &act, NULL);
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}
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static void __attribute__ ((constructor)) sigsetup(void) {
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if (getenv("CGOCATCHPANIC_EARLY_HANDLER") == NULL)
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return;
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registerAbortHandler();
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}
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*/
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import "C"
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import "os"
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func init() {
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register("CgoCatchPanic", CgoCatchPanic)
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}
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// Test that the SIGABRT raised by panic can be caught by an early signal handler.
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func CgoCatchPanic() {
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if _, ok := os.LookupEnv("CGOCATCHPANIC_EARLY_HANDLER"); !ok {
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C.registerAbortHandler()
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}
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panic("catch me")
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}
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