/usr/include/x86_64-linux-musl/spawn.h is in musl-dev 0.9.15-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | #ifndef _SPAWN_H
#define _SPAWN_H
#ifdef __cplusplus
extern "C" {
#endif
#include <features.h>
#define __NEED_mode_t
#define __NEED_pid_t
#define __NEED_sigset_t
#include <bits/alltypes.h>
struct sched_param;
#define POSIX_SPAWN_RESETIDS 1
#define POSIX_SPAWN_SETPGROUP 2
#define POSIX_SPAWN_SETSIGDEF 4
#define POSIX_SPAWN_SETSIGMASK 8
#define POSIX_SPAWN_SETSCHEDPARAM 16
#define POSIX_SPAWN_SETSCHEDULER 32
typedef struct {
int __flags;
pid_t __pgrp;
sigset_t __def, __mask;
int __prio, __pol, __pad[16];
} posix_spawnattr_t;
typedef struct {
int __pad0[2];
void *__actions;
int __pad[16];
} posix_spawn_file_actions_t;
int posix_spawn(pid_t *__restrict, const char *__restrict, const posix_spawn_file_actions_t *,
const posix_spawnattr_t *__restrict, char *const *__restrict, char *const *__restrict);
int posix_spawnp(pid_t *__restrict, const char *__restrict, const posix_spawn_file_actions_t *,
const posix_spawnattr_t *__restrict, char *const *__restrict, char *const *__restrict);
int posix_spawnattr_init(posix_spawnattr_t *);
int posix_spawnattr_destroy(posix_spawnattr_t *);
int posix_spawnattr_setflags(posix_spawnattr_t *, short);
int posix_spawnattr_getflags(const posix_spawnattr_t *__restrict, short *__restrict);
int posix_spawnattr_setpgroup(posix_spawnattr_t *, pid_t);
int posix_spawnattr_getpgroup(const posix_spawnattr_t *__restrict, pid_t *__restrict);
int posix_spawnattr_setsigmask(posix_spawnattr_t *__restrict, const sigset_t *__restrict);
int posix_spawnattr_getsigmask(const posix_spawnattr_t *__restrict, sigset_t *__restrict);
int posix_spawnattr_setsigdefault(posix_spawnattr_t *__restrict, const sigset_t *__restrict);
int posix_spawnattr_getsigdefault(const posix_spawnattr_t *__restrict, sigset_t *__restrict);
int posix_spawnattr_setschedparam(posix_spawnattr_t *__restrict, const struct sched_param *__restrict);
int posix_spawnattr_getschedparam(const posix_spawnattr_t *__restrict, struct sched_param *__restrict);
int posix_spawnattr_setschedpolicy(posix_spawnattr_t *, int);
int posix_spawnattr_getschedpolicy(const posix_spawnattr_t *__restrict, int *__restrict);
int posix_spawn_file_actions_init(posix_spawn_file_actions_t *);
int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *);
int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t *__restrict, int, const char *__restrict, int, mode_t);
int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *, int);
int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *, int, int);
#ifdef __cplusplus
}
#endif
#endif
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