#ifndef __GDB_MACOSX_NAT_SIGTHREAD_H__
#define __GDB_MACOSX_NAT_SIGTHREAD_H__

#include "defs.h"
#include "macosx-nat-mutils.h"
#include "macosx-nat-threads.h"

#include <sys/wait.h>

typedef int WAITSTATUS;

struct macosx_signal_thread_message
{
  int pid;
  WAITSTATUS status;
};

struct macosx_signal_thread_status
{
  gdb_thread_t signal_thread;

  int transmit_fd;
  int receive_fd;

  int inferior_pid;
};

typedef struct macosx_signal_thread_message macosx_signal_thread_message;
typedef struct macosx_signal_thread_status macosx_signal_thread_status;

void macosx_signal_thread_debug (FILE *f,
                                 struct macosx_signal_thread_status *s);
void macosx_signal_thread_debug_status (FILE *f, WAITSTATUS status);

void macosx_signal_thread_init (macosx_signal_thread_status *s);

void macosx_signal_thread_create (macosx_signal_thread_status *s, int pid);
void macosx_signal_thread_destroy (macosx_signal_thread_status *s);

#endif /* __GDB_MACOSX_NAT_SIGTHREAD_H__ */