jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2020, Nico Weber <thakis@chromium.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7/* posix_spawn and friends
8 *
9 * values from POSIX standard unix specification
10 *
11 * https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/spawn.h.html
12 */
13
14#pragma once
15
16#include <sched.h>
17#include <signal.h>
18#include <sys/cdefs.h>
19#include <sys/types.h>
20
21__BEGIN_DECLS
22
23enum {
24 POSIX_SPAWN_RESETIDS = 1 << 0,
25 POSIX_SPAWN_SETPGROUP = 1 << 1,
26
27 POSIX_SPAWN_SETSCHEDPARAM = 1 << 2,
28 POSIX_SPAWN_SETSCHEDULER = 1 << 3,
29
30 POSIX_SPAWN_SETSIGDEF = 1 << 4,
31 POSIX_SPAWN_SETSIGMASK = 1 << 5,
32
33 POSIX_SPAWN_SETSID = 1 << 6,
34};
35
36#define POSIX_SPAWN_SETSID POSIX_SPAWN_SETSID
37
38struct posix_spawn_file_actions_state;
39typedef struct {
40 struct posix_spawn_file_actions_state* state;
41} posix_spawn_file_actions_t;
42
43typedef struct {
44 short flags;
45 pid_t pgroup;
46 struct sched_param schedparam;
47 int schedpolicy;
48 sigset_t sigdefault;
49 sigset_t sigmask;
50} posix_spawnattr_t;
51
52int posix_spawn(pid_t*, char const*, posix_spawn_file_actions_t const*, posix_spawnattr_t const*, char* const argv[], char* const envp[]);
53int posix_spawnp(pid_t*, char const*, posix_spawn_file_actions_t const*, posix_spawnattr_t const*, char* const argv[], char* const envp[]);
54
55int posix_spawn_file_actions_addchdir(posix_spawn_file_actions_t*, char const*);
56int posix_spawn_file_actions_addfchdir(posix_spawn_file_actions_t*, int);
57int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t*, int);
58int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t*, int old_fd, int new_fd);
59int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t*, int fd, char const*, int flags, mode_t);
60int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t*);
61int posix_spawn_file_actions_init(posix_spawn_file_actions_t*);
62
63int posix_spawnattr_destroy(posix_spawnattr_t*);
64int posix_spawnattr_getflags(posix_spawnattr_t const*, short*);
65int posix_spawnattr_getpgroup(posix_spawnattr_t const*, pid_t*);
66int posix_spawnattr_getschedparam(posix_spawnattr_t const*, struct sched_param*);
67int posix_spawnattr_getschedpolicy(posix_spawnattr_t const*, int*);
68int posix_spawnattr_getsigdefault(posix_spawnattr_t const*, sigset_t*);
69int posix_spawnattr_getsigmask(posix_spawnattr_t const*, sigset_t*);
70int posix_spawnattr_init(posix_spawnattr_t*);
71int posix_spawnattr_setflags(posix_spawnattr_t*, short);
72int posix_spawnattr_setpgroup(posix_spawnattr_t*, pid_t);
73int posix_spawnattr_setschedparam(posix_spawnattr_t*, const struct sched_param*);
74int posix_spawnattr_setschedpolicy(posix_spawnattr_t*, int);
75int posix_spawnattr_setsigdefault(posix_spawnattr_t*, sigset_t const*);
76int posix_spawnattr_setsigmask(posix_spawnattr_t*, sigset_t const*);
77
78__END_DECLS