#ifndef SPAWN_H_
#define SPAWN_H_

#include <signal.h>
#include <sys/types.h>

#define __POSIX_SPAWN_FILE_ACTIONS_SIZE__ 32
#define __POSIX_SPAWNATTR_SIZE__          32

struct sched_param;

typedef struct posix_spawn_file_actions {
	char __opaque[__POSIX_SPAWN_FILE_ACTIONS_SIZE__];
} posix_spawn_file_actions_t;

typedef struct posix_spawnattr {
	char __opaque[__POSIX_SPAWN_FILE_ACTIONS_SIZE__];
} posix_spawnattr_t;

extern int posix_spawn_file_actions_init(
	posix_spawn_file_actions_t *restrict file_actions);
extern int posix_spawn_file_actions_destroy(
	posix_spawn_file_actions_t *restrict file_actions);
extern int posix_spawn_file_actions_addopen(
	posix_spawn_file_actions_t *restrict file_actions,
	int fildes,
	const char *path,
	int oflag,
	mode_t mode);
extern int posix_spawn_file_actions_addclose(
	posix_spawn_file_actions_t *restrict file_actions,
	int fildes);
extern int posix_spawn_file_actions_adddup2(
	posix_spawn_file_actions_t *restrict file_actions,
	int fildes,
	int newfildes);

extern int posix_spawnattr_init(posix_spawnattr_t *restrict attrp);
extern int posix_spawnattr_destroy(posix_spawnattr_t *restrict attrp);
extern int posix_spawnattr_getflags(
	const posix_spawnattr_t *restrict attrp,
	short *restrict flags);
extern int posix_spawnattr_setflags(
	posix_spawnattr_t *restrict attrp,
	short flags);
extern int posix_spawnattr_getschedpolicy(
	const posix_spawnattr_t *restrict attrp,
	int *restrict schedpolicy);
extern int posix_spawnattr_setschedpolicy(
	posix_spawnattr_t *restrict attrp,
	int schedpolicy);
extern int posix_spawnattr_getschedparam(
	const posix_spawnattr_t *restrict attrp,
	struct sched_param *restrict schedparam);
extern int posix_spawnattr_setschedparam(
	posix_spawnattr_t *restrict attrp,
	const struct sched_param *restrict schedparam);
extern int posix_spawnattr_getpgroup(
	const posix_spawnattr_t *restrict attrp,
	pid_t *restrict pgroup);
extern int posix_spawnattr_setpgroup(
	posix_spawnattr_t *restrict attrp,
	pid_t pgroup);
extern int posix_spawnattr_getsigmask(
	const posix_spawnattr_t *restrict attrp,
	sigset_t *restrict sigmask);
extern int posix_spawnattr_setsigmask(
	posix_spawnattr_t *restrict attrp,
	sigset_t sigmask);

extern int posix_spawn(
	pid_t *restrict pid,
	const char *restrict path,
	const posix_spawn_file_actions_t *restrict file_actions,
	const posix_spawnattr_t *restrict attrp,
	char *const argv[],
	char *const envp[]);
extern int posix_spawnp(
	pid_t *restrict pid,
	const char *restrict file,
	const posix_spawn_file_actions_t *restrict file_actions,
	const posix_spawnattr_t *restrict attrp,
	char *const argv[],
	char *const envp[]);

#endif