/*
 * Copyright 2017 Haiku, Inc. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef _SPAWN_H_
#define _SPAWN_H_


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


/*
 * Flags for spawn attributes.
 */
#define POSIX_SPAWN_RESETIDS            0x01
#define POSIX_SPAWN_SETPGROUP           0x02
#if 0   /* Unimplemented flags: */
#define POSIX_SPAWN_SETSCHEDPARAM       0x04
#define POSIX_SPAWN_SETSCHEDULER        0x08
#endif  /* 0 */
#define POSIX_SPAWN_SETSIGDEF           0x10
#define POSIX_SPAWN_SETSIGMASK          0x20
#define POSIX_SPAWN_SETSID                      0x40


typedef struct _posix_spawnattr *posix_spawnattr_t;
typedef struct _posix_spawn_file_actions        *posix_spawn_file_actions_t;


#ifdef __cplusplus
extern "C" {
#endif


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

/* file actions functions */
extern int posix_spawn_file_actions_init(
        posix_spawn_file_actions_t *file_actions);
extern int posix_spawn_file_actions_destroy(
        posix_spawn_file_actions_t *file_actions);
extern int posix_spawn_file_actions_addopen(
        posix_spawn_file_actions_t *file_actions,
        int fildes, const char *path, int oflag, mode_t mode);
extern int posix_spawn_file_actions_addclose(
        posix_spawn_file_actions_t *file_actions, int fildes);
extern int posix_spawn_file_actions_adddup2(
        posix_spawn_file_actions_t *file_actions, int fildes, int newfildes);
extern int posix_spawn_file_actions_addchdir(
        posix_spawn_file_actions_t *file_actions, const char *path);
extern int posix_spawn_file_actions_addfchdir(
        posix_spawn_file_actions_t *file_actions, int fildes);

/* spawn attribute functions */
extern int posix_spawnattr_destroy(posix_spawnattr_t *attr);
extern int posix_spawnattr_init(posix_spawnattr_t *attr);
extern int posix_spawnattr_getflags(const posix_spawnattr_t *attr,
        short *_flags);
extern int posix_spawnattr_setflags(posix_spawnattr_t *attr, short flags);
extern int posix_spawnattr_getpgroup(const posix_spawnattr_t *attr,
        pid_t *_pgroup);
extern int posix_spawnattr_setpgroup(posix_spawnattr_t *attr, pid_t pgroup);
extern int posix_spawnattr_getsigdefault(const posix_spawnattr_t *attr,
        sigset_t *sigdefault);
extern int posix_spawnattr_setsigdefault(posix_spawnattr_t *attr,
        const sigset_t *sigdefault);
extern int posix_spawnattr_getsigmask(const posix_spawnattr_t *attr,
        sigset_t *_sigmask);
extern int posix_spawnattr_setsigmask(posix_spawnattr_t *attr,
        const sigset_t *sigmask);


#ifdef __cplusplus
}
#endif


#endif  /* _SPAWN_H_ */