package main

/*
#include <pthread.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/mman.h>

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

extern void SigStackCallback();

static void* WithSigStack(void* arg __attribute__((unused))) {
	// Set up an alternate system stack.

package cgotest

/*
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

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

static stack_t oss;
static char signalStack[CSIGSTKSZ];

static void changeSignalStack(void) {
	stack_t ss;
	memset(&ss, 0, sizeof ss);

	echo "${!indirect} $includes" | $CC -x c - -E -dM $ccflags |
	awk '
		$1 != "#define" || $2 ~ /\(/ || $3 == "" {next}

		$2 ~ /^E([ABCD]X|[BIS]P|[SD]I|S|FL)$/ {next}  # 386 registers
		$2 ~ /^(SIGEV_|SIGSTKSZ|SIGRT(MIN|MAX))/ {next}
		$2 ~ /^(SCM_SRCRT)$/ {next}
		$2 ~ /^(MAP_FAILED)$/ {next}

		$2 !~ /^ETH_/ &&
		$2 !~ /^EPROC_/ &&
		$2 !~ /^EQUIV_/ &&
		$2 !~ /^EXPR_/ &&
		$2 ~ /^E[A-Z0-9_]+$/ ||

	echo "${!indirect} $includes" | $CC -x c - -E -dM $ccflags |
	awk '
		$1 != "#define" || $2 ~ /\(/ || $3 == "" {next}

		$2 ~ /^E([ABCD]X|[BIS]P|[SD]I|S|FL)$/ {next}  # 386 registers
		$2 ~ /^(SIGEV_|SIGSTKSZ|SIGRT(MIN|MAX))/ {next}
		$2 ~ /^(SCM_SRCRT)$/ {next}
		$2 ~ /^(MAP_FAILED)$/ {next}
		$2 ~ /^CLONE_[A-Z_]+/ {next} # These are defined in exec_linux.go.
		$2 ~ /^ELF_.*$/ {next}	# <asm/elf.h> contains ELF_ARCH, etc.

	echo "${!indirect} $includes" | $CC -x c - -E -dM $ccflags |
	awk '
		$1 != "#define" || $2 ~ /\(/ || $3 == "" {next}

		$2 ~ /^E([ABCD]X|[BIS]P|[SD]I|S|FL)$/ {next}  # 386 registers
		$2 ~ /^(SIGEV_|SIGSTKSZ|SIGRT(MIN|MAX))/ {next}
		$2 ~ /^(SCM_SRCRT)$/ {next}
		$2 ~ /^(MAP_FAILED)$/ {next}
		$2 ~ /^ELF_.*$/ {next}# <asm/elf.h> contains ELF_ARCH, etc.

		$2 ~ /^EXTATTR_NAMESPACE_NAMES/ ||

#include <time.h>
#include <sched.h>
#include <pthread.h>

#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) {
}

	{28, "SIGWINCH", "window size changes"},
	{29, "SIGINFO", "information request"},
	{30, "SIGUSR1", "user defined signal 1"},
	{31, "SIGUSR2", "user defined signal 2"},
	{32, "SIGTHR", "thread AST"},
	{28672, "SIGSTKSZ", "unknown signal"},

	{28, "SIGWINCH", "window size changes"},
	{29, "SIGINFO", "information request"},
	{30, "SIGUSR1", "user defined signal 1"},
	{31, "SIGUSR2", "user defined signal 2"},
	{32, "SIGTHR", "thread AST"},
	{28672, "SIGSTKSZ", "unknown signal"},

	{28, "SIGWINCH", "window size changes"},
	{29, "SIGINFO", "information request"},
	{30, "SIGUSR1", "user defined signal 1"},
	{31, "SIGUSR2", "user defined signal 2"},
	{32, "SIGTHR", "thread AST"},
	{28672, "SIGSTKSZ", "unknown signal"},

	{28, "SIGWINCH", "window size changes"},
	{29, "SIGINFO", "information request"},
	{30, "SIGUSR1", "user defined signal 1"},
	{31, "SIGUSR2", "user defined signal 2"},
	{32, "SIGTHR", "thread AST"},
	{28672, "SIGSTKSZ", "unknown signal"},