package main

/*
#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) {

	struct sigaction sa;
	memset(&sa, 0, sizeof(sa));
	sigemptyset(&sa.sa_mask);
	sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
	sa.sa_sigaction = forwardSignal;

	if (sigaction(SIGSEGV, &sa, &prev_sa) != 0) {
		perror("failed to register SEGV forwarder");
		exit(EXIT_FAILURE);
	}
}
*/
import "C"

func main() {
	C.registerSegvFowarder()

	defer func() {
		recover()
	}()
	var nilp *int
	*nilp = 42

	struct sigaction sa;
	memset(&sa, 0, sizeof(sa));
	sigemptyset(&sa.sa_mask);
	sa.sa_flags = SA_ONSTACK;
	sa.sa_handler = raise_usr2;

	if (sigaction(SIGUSR1, &sa, NULL) != 0) {
		perror("failed to register SIGUSR1 handler");
		exit(EXIT_FAILURE);
	}
}
*/
import "C"

func main() {
	ch := make(chan os.Signal, 1)
	signal.Notify(ch, syscall.SIGUSR2)

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))
}

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <sched.h>
#include <unistd.h>
#include <pthread.h>

#include "libgo3.h"

static void die(const char* msg) {
	perror(msg);
	exit(EXIT_FAILURE);
}

static volatile sig_atomic_t sigioSeen;

static void ioHandler(int signo, siginfo_t* info, void* ctxt) {
	sigioSeen = 1;
}

#include "libgo4.h"

#ifdef _AIX
// On AIX, CSIGSTKSZ is too small to handle Go sighandler.
#define CSIGSTKSZ 0x4000
#else
#define CSIGSTKSZ SIGSTKSZ
#endif

static void die(const char* msg) {
	perror(msg);
	exit(EXIT_FAILURE);
}

static int ok = 1;

static void ioHandler(int signo, siginfo_t* info, void* ctxt) {
}

// Set up the SIGIO signal handler in a high priority constructor, so

 * load on the garbage collector by only using a constant number of internal objects.
 *
 * <p>This class should not be assumed to be universally superior to {@code
 * java.util.LinkedHashMap}. Generally speaking, this class reduces object allocation and memory
 * consumption at the price of moderately increased constant factors of CPU. Only use this class

#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <sched.h>
#include <time.h>
#include <errno.h>

#include "libgo2.h"

static void die(const char* msg) {
	perror(msg);
	exit(EXIT_FAILURE);
}

static volatile sig_atomic_t sigioSeen;
static volatile sig_atomic_t sigpipeSeen;

// Use up some stack space.
static void recur(int i, char *p) {
	char a[1024];

 * {@code java.util.LinkedHashSet}, it offers insertion-order iteration, with identical behavior.
 *
 * <p>This class should not be assumed to be universally superior to {@code
 * java.util.LinkedHashSet}. Generally speaking, this class reduces object allocation and memory
 * consumption at the price of moderately increased constant factors of CPU. Only use this class

 * {@code java.util.LinkedHashSet}, it offers insertion-order iteration, with identical behavior.
 *
 * <p>This class should not be assumed to be universally superior to {@code
 * java.util.LinkedHashSet}. Generally speaking, this class reduces object allocation and memory
 * consumption at the price of moderately increased constant factors of CPU. Only use this class