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Current Path: /opt/golang/1.22.0/src/runtime/testdata/testprogcgo

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📁 ..
📄 aprof.go(1.14 KB)
📄 aprof_c.c(217 B)
📄 bigstack1_windows.c(379 B)
📄 bigstack_windows.c(1.2 KB)
📄 bigstack_windows.go(586 B)
📄 bindm.c(692 B)
📄 bindm.go(1.2 KB)
📄 callback.go(1.86 KB)
📄 catchpanic.go(993 B)
📄 cgo.go(1.82 KB)
📄 cgonocallback.c(236 B)
📄 cgonocallback.go(629 B)
📄 cgonoescape.go(1.84 KB)
📄 crash.go(743 B)
📄 deadlock.go(509 B)
📄 destructor.c(459 B)
📄 destructor.go(442 B)
📄 dll_windows.go(459 B)
📄 dropm.go(1.05 KB)
📄 dropm_stub.go(336 B)
📄 eintr.go(5.17 KB)
📄 exec.go(2.1 KB)
📄 gprof.go(868 B)
📄 gprof_c.c(700 B)
📄 issue29707.go(1.15 KB)
📄 lockosthread.c(301 B)
📄 lockosthread.go(2.52 KB)
📄 main.go(651 B)
📄 needmdeadlock.go(1.83 KB)
📄 numgoroutine.go(1.91 KB)
📄 panic.c(239 B)
📄 panic.go(312 B)
📄 pprof.go(1.67 KB)
📄 pprof_callback.go(1.82 KB)
📄 raceprof.go(1.67 KB)
📄 racesig.go(1.67 KB)
📄 segv.go(525 B)
📄 segv_linux.go(546 B)
📄 sigfwd.go(1.58 KB)
📄 sigpanic.go(484 B)
📄 sigstack.go(2.09 KB)
📄 sigthrow.go(312 B)
📄 stack_windows.go(1.1 KB)
📄 stackswitch.c(3.88 KB)
📄 stackswitch.go(1.07 KB)
📄 threadpanic.go(428 B)
📄 threadpanic_unix.c(435 B)
📄 threadpanic_windows.c(435 B)
📄 threadpprof.go(2.54 KB)
📄 threadprof.go(2.41 KB)
📄 trace.go(1.15 KB)
📄 trace_unix.c(688 B)
📄 trace_windows.c(777 B)
📄 traceback.go(949 B)
📄 traceback_c.c(1.21 KB)
📄 tracebackctxt.go(2.85 KB)
📄 tracebackctxt_c.c(2.33 KB)
📁 windows

Editing: exec.go

// 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.

//go:build !plan9 && !windows
// +build !plan9,!windows

package main

/*
#include <stddef.h>
#include <signal.h>
#include <pthread.h>

// Save the signal mask at startup so that we see what it is before
// the Go runtime starts setting up signals.

static sigset_t mask;

static void init(void) __attribute__ ((constructor));

static void init() {
	sigemptyset(&mask);
	pthread_sigmask(SIG_SETMASK, NULL, &mask);
}

int SIGINTBlocked() {
	return sigismember(&mask, SIGINT);
}
*/
import "C"

import (
	"fmt"
	"io/fs"
	"os"
	"os/exec"
	"os/signal"
	"sync"
	"syscall"
)

func init() {
	register("CgoExecSignalMask", CgoExecSignalMask)
}

func CgoExecSignalMask() {
	if len(os.Args) > 2 && os.Args[2] == "testsigint" {
		if C.SIGINTBlocked() != 0 {
			os.Exit(1)
		}
		os.Exit(0)
	}

c := make(chan os.Signal, 1)
	signal.Notify(c, syscall.SIGTERM)
	go func() {
		for range c {
		}
	}()

fmt.Println("OK")
}

// isEAGAIN reports whether err is an EAGAIN error from a process execution.
func isEAGAIN(err error) bool {
	if p, ok := err.(*fs.PathError); ok {
		err = p.Err
	}
	return err == syscall.EAGAIN
}

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Editing: exec.go

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