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/*
* Copyright (c) 1999-2003 Smithsonian Astrophysical Observatory
*/
/*
*
* xlaunch.h -- declarations for launching a program
*
*/
#ifndef __xlaunch_h
#define __xlaunch_h
#if HAVE_CONFIG_H
#include "conf.h"
#endif
#include <stdio.h>
#include <errno.h>
#include <signal.h>
#include <fcntl.h>
#include <sys/time.h>
#include <sys/stat.h>
#if HAVE_STRING_H
#include <string.h>
#endif
#if HAVE_MALLOC_H
#include <malloc.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if HAVE_POSIX_SPAWN
#include <spawn.h>
#endif
#include "xport.h"
#include "word.h"
#include "xalloc.h"
#include "prsetup.h"
#define LAUNCH_ARGS 1024
#define LAUNCH_SPACE '\001'
/* for fork/exec, one of these is required to specify the technique to be used
by the parent when determining if the child started successfully */
#if !defined(LAUNCH_USE_PIPE) && !defined(LAUNCH_USE_WAITPID)
#define LAUNCH_USE_PIPE 1
#endif
/* ... but not both */
#if defined(LAUNCH_USE_PIPE) && defined(LAUNCH_USE_WAITPID)
#error "LAUNCH_USE_PIPE and LAUNCH_USE_WAITPID are mutually exclusive"
#endif
#ifndef LAUNCH_WAIT_TRIES
#define LAUNCH_WAIT_TRIES 100
#endif
#ifndef LAUNCH_WAIT_MSEC
#define LAUNCH_WAIT_MSEC 5000
#endif
#if HAVE_MINGW32|HAVE_CYGWIN
#define HAVE_SPAWNVP 1
#endif
#if HAVE_MINGW32
/* for now, ensure that MinGW utilizes spawnvp() */
#define LAUNCH_DEFAULT_WHICH 3
#elif HAVE_POSIX_SPAWN
/* use posix_spawn if possible (required for OS X 10.5) */
#define LAUNCH_DEFAULT_WHICH 2
#else
/* use our home-grown version */
#define LAUNCH_DEFAULT_WHICH 1
#endif
_PRbeg
int Launch _PRx((char *cmdstring, int wait, char **stdfiles, int *pipes));
pid_t LaunchPid _PRx((void));
_PRend
#endif
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