rt-thread/components/lwp/libc_musl.h

/*
 * Copyright (c) 2006-2023, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2023-07-11     RT-Thread    first version
 */

#ifndef __LIBC_MUSL_H__
#define __LIBC_MUSL_H__

/* from internal/futex.h */

#define FUTEX_WAIT        0
#define FUTEX_WAKE        1
#define FUTEX_FD          2
#define FUTEX_REQUEUE     3
#define FUTEX_CMP_REQUEUE 4
#define FUTEX_WAKE_OP     5
#define FUTEX_LOCK_PI     6
#define FUTEX_UNLOCK_PI   7
#define FUTEX_TRYLOCK_PI  8
#define FUTEX_WAIT_BITSET 9

#define FUTEX_PRIVATE 128

#define FUTEX_CLOCK_REALTIME 256

#define FUTEX_WAITERS		0x80000000
#define FUTEX_OWNER_DIED	0x40000000
#define FUTEX_TID_MASK		0x3fffffff

struct robust_list
{
    struct robust_list *next;
};

struct robust_list_head
{
    struct robust_list list;
    long futex_offset;
    struct robust_list *list_op_pending;
};

/* for pmutex op */
#define PMUTEX_INIT    0
#define PMUTEX_LOCK    1
#define PMUTEX_UNLOCK  2
#define PMUTEX_DESTROY 3

/* for sys/mman.h */

#define MAP_SHARED          0x01
#define MAP_PRIVATE         0x02
#define MAP_SHARED_VALIDATE 0x03
#define MAP_TYPE            0x0f
#define MAP_FIXED           0x10
#define MAP_ANON            0x20
#define MAP_ANONYMOUS       MAP_ANON
#define MAP_NORESERVE       0x4000
#define MAP_GROWSDOWN       0x0100
#define MAP_DENYWRITE       0x0800
#define MAP_EXECUTABLE      0x1000
#define MAP_LOCKED          0x2000
#define MAP_POPULATE        0x8000
#define MAP_NONBLOCK        0x10000
#define MAP_STACK           0x20000
#define MAP_HUGETLB         0x40000
#define MAP_SYNC            0x80000
#define MAP_FIXED_NOREPLACE 0x100000
#define MAP_FILE            0
#define MAP_UNINITIALIZED   0x4000000

#define MAP_HUGE_SHIFT 26
#define MAP_HUGE_MASK  0x3f
#define MAP_HUGE_16KB  (14 << 26)
#define MAP_HUGE_64KB  (16 << 26)
#define MAP_HUGE_512KB (19 << 26)
#define MAP_HUGE_1MB   (20 << 26)
#define MAP_HUGE_2MB   (21 << 26)
#define MAP_HUGE_8MB   (23 << 26)
#define MAP_HUGE_16MB  (24 << 26)
#define MAP_HUGE_32MB  (25 << 26)
#define MAP_HUGE_256MB (28 << 26)
#define MAP_HUGE_512MB (29 << 26)
#define MAP_HUGE_1GB   (30 << 26)
#define MAP_HUGE_2GB   (31 << 26)
#define MAP_HUGE_16GB  (34U << 26)

#define PROT_NONE      0
#define PROT_READ      1
#define PROT_WRITE     2
#define PROT_EXEC      4
#define PROT_GROWSDOWN 0x01000000
#define PROT_GROWSUP   0x02000000

#define MS_ASYNC      1
#define MS_INVALIDATE 2
#define MS_SYNC       4

#define MCL_CURRENT 1
#define MCL_FUTURE  2
#define MCL_ONFAULT 4

#define POSIX_MADV_NORMAL     0
#define POSIX_MADV_RANDOM     1
#define POSIX_MADV_SEQUENTIAL 2
#define POSIX_MADV_WILLNEED   3
#define POSIX_MADV_DONTNEED   4

#define CLONE_VM             0x00000100
#define CLONE_FS             0x00000200
#define CLONE_FILES          0x00000400
#define CLONE_SIGHAND        0x00000800
#define CLONE_PTRACE         0x00002000
#define CLONE_VFORK          0x00004000
#define CLONE_PARENT         0x00008000
#define CLONE_THREAD         0x00010000
#define CLONE_NEWNS          0x00020000
#define CLONE_SYSVSEM        0x00040000
#define CLONE_SETTLS         0x00080000
#define CLONE_PARENT_SETTID  0x00100000
#define CLONE_CHILD_CLEARTID 0x00200000
#define CLONE_DETACHED       0x00400000
#define CLONE_UNTRACED       0x00800000
#define CLONE_CHILD_SETTID   0x01000000
#define CLONE_NEWCGROUP      0x02000000
#define CLONE_NEWUTS         0x04000000
#define CLONE_NEWIPC         0x08000000
#define CLONE_NEWUSER        0x10000000
#define CLONE_NEWPID         0x20000000
#define CLONE_NEWNET         0x40000000
#define CLONE_IO             0x80000000

/* arg[] -> flags
 *          stack
 *          new_tid
 *          tls
 *          set_clear_tid_address
 *          quit_func
 *          start_args
 *          */
#define SYS_CLONE_ARGS_NR 7

/* wait.h */

/* options */
#define WNOHANG   1
#define WUNTRACED 2

#define WSTOPPED   2
#define WEXITED    4
#define WCONTINUED 8
#define WNOWAIT    0x1000000

#define __WNOTHREAD 0x20000000
#define __WALL      0x40000000
#define __WCLONE    0x80000000

#endif /* __LIBC_MUSL_H__ */