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/* Copyright 2014-present Facebook, Inc.
* Licensed under the Apache License, Version 2.0 */
#pragma once
// Spawn attributes
typedef struct _posix_spawnattr {
short flags;
char *working_dir;
} posix_spawnattr_t;
#define POSIX_SPAWN_SETPGROUP 2
int posix_spawnattr_init(posix_spawnattr_t *attrp);
int posix_spawnattr_setflags(posix_spawnattr_t* attrp, short flags);
int posix_spawnattr_getflags(posix_spawnattr_t* attrp, short* flags);
int posix_spawnattr_destroy(posix_spawnattr_t *attrp);
int posix_spawnattr_setcwd_np(posix_spawnattr_t *attrp, const char *path);
// File actions
struct _posix_spawn_file_action {
enum {
open_file,
dup_fd,
dup_handle
} action;
int target_fd;
union {
intptr_t dup_local_handle;
int source_fd;
struct {
char *name;
int flags;
int mode;
} open_info;
} u;
};
typedef struct _posix_spawn_file_actions {
struct _posix_spawn_file_action *acts;
int nacts;
} posix_spawn_file_actions_t;
int posix_spawn_file_actions_init(posix_spawn_file_actions_t *actions);
int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *actions,
int fd, int target_fd);
int posix_spawn_file_actions_adddup2_handle_np(
posix_spawn_file_actions_t* actions,
intptr_t handle,
int target_fd);
int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t *actions,
int target_fd, const char *name, int flags, int mode);
int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *actions);
// And spawning itself
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[]);
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[]);
#define WNOHANG 1
pid_t waitpid(pid_t pid, int* status, int options);
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