1#pragma once
2
3#ifdef __cplusplus
4extern "C" {
5#endif
6
7#include <features.h>
8
9#define __NEED_off_t
10#define __NEED_pid_t
11#define __NEED_mode_t
12
13#ifdef _GNU_SOURCE
14#define __NEED_size_t
15#define __NEED_ssize_t
16#define __NEED_struct_iovec
17#endif
18
19#include <bits/alltypes.h>
20
21struct flock {
22    short l_type;
23    short l_whence;
24    off_t l_start;
25    off_t l_len;
26    pid_t l_pid;
27};
28
29int creat(const char*, mode_t);
30int fcntl(int, int, ...);
31int open(const char*, int, ...);
32int openat(int, const char*, int, ...);
33int posix_fadvise(int, off_t, off_t, int);
34int posix_fallocate(int, off_t, off_t);
35
36#define O_SEARCH O_PATH
37#define O_EXEC O_PATH
38
39// clang-format off
40#define O_ACCMODE          (03 | O_SEARCH)
41#define O_RDONLY            00
42#define O_WRONLY            01
43#define O_RDWR              02
44
45// Flags which align with ZXIO_FS_*
46// system/ulib/fdio/unistd.c asserts that these flags are aligned
47// with the ZXIO_FS_* versions.
48#define O_CREAT     0x00010000
49#define O_EXCL      0x00020000
50#define O_TRUNC     0x00040000
51#define O_DIRECTORY 0x00080000
52#define O_APPEND    0x00100000
53#define O_PATH      0x00400000
54#ifdef _ALL_SOURCE
55#define O_NOREMOTE  0x00200000
56#define O_ADMIN     0x00000004
57#define O_PIPELINE  0x80000000
58#endif
59
60// Flags which do not align with ZXIO_FS_*
61#define O_NONBLOCK  0x00000010
62#define O_DSYNC     0x00000020
63#define O_SYNC      (0x00000040 | O_DSYNC)
64#define O_RSYNC     O_SYNC
65#define O_NOFOLLOW  0x00000080
66#define O_CLOEXEC   0x00000100
67#define O_NOCTTY    0x00000200
68#define O_ASYNC     0x00000400
69#define O_DIRECT    0x00000800
70#define O_LARGEFILE 0x00001000
71#define O_NOATIME   0x00002000
72#define O_TMPFILE   0x00004000
73
74// clang-format on
75
76#define O_NDELAY O_NONBLOCK
77
78#define F_DUPFD 0
79#define F_GETFD 1
80#define F_SETFD 2
81#define F_GETFL 3
82#define F_SETFL 4
83
84#define F_GETLK 5
85#define F_SETLK 6
86#define F_SETLKW 7
87
88#define F_SETOWN 8
89#define F_GETOWN 9
90#define F_SETSIG 10
91#define F_GETSIG 11
92
93#define F_SETOWN_EX 15
94#define F_GETOWN_EX 16
95
96#define F_GETOWNER_UIDS 17
97
98#define F_OFD_GETLK 36
99#define F_OFD_SETLK 37
100#define F_OFD_SETLKW 38
101
102#define F_DUPFD_CLOEXEC 1030
103
104#define F_RDLCK 0
105#define F_WRLCK 1
106#define F_UNLCK 2
107
108#define FD_CLOEXEC 1
109
110#define AT_FDCWD (-100)
111#define AT_SYMLINK_NOFOLLOW 0x100
112#define AT_REMOVEDIR 0x200
113#define AT_SYMLINK_FOLLOW 0x400
114#define AT_EACCESS 0x200
115
116#define POSIX_FADV_NORMAL 0
117#define POSIX_FADV_RANDOM 1
118#define POSIX_FADV_SEQUENTIAL 2
119#define POSIX_FADV_WILLNEED 3
120#define POSIX_FADV_DONTNEED 4
121#define POSIX_FADV_NOREUSE 5
122
123#undef SEEK_SET
124#undef SEEK_CUR
125#undef SEEK_END
126#define SEEK_SET 0
127#define SEEK_CUR 1
128#define SEEK_END 2
129
130#ifndef S_IRUSR
131#define S_ISUID 04000
132#define S_ISGID 02000
133#define S_ISVTX 01000
134#define S_IRUSR 0400
135#define S_IWUSR 0200
136#define S_IXUSR 0100
137#define S_IRWXU 0700
138#define S_IRGRP 0040
139#define S_IWGRP 0020
140#define S_IXGRP 0010
141#define S_IRWXG 0070
142#define S_IROTH 0004
143#define S_IWOTH 0002
144#define S_IXOTH 0001
145#define S_IRWXO 0007
146#endif
147
148#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
149#define AT_NO_AUTOMOUNT 0x800
150#define AT_EMPTY_PATH 0x1000
151
152#define FAPPEND O_APPEND
153#define FFSYNC O_FSYNC
154#define FASYNC O_ASYNC
155#define FNONBLOCK O_NONBLOCK
156#define FNDELAY O_NDELAY
157
158#define F_OK 0
159#define R_OK 4
160#define W_OK 2
161#define X_OK 1
162#define F_ULOCK 0
163#define F_LOCK 1
164#define F_TLOCK 2
165#define F_TEST 3
166
167#define F_SETLEASE 1024
168#define F_GETLEASE 1025
169#define F_NOTIFY 1026
170#define F_CANCELLK 1029
171#define F_SETPIPE_SZ 1031
172#define F_GETPIPE_SZ 1032
173#define F_ADD_SEALS 1033
174#define F_GET_SEALS 1034
175
176#define F_SEAL_SEAL 0x0001
177#define F_SEAL_SHRINK 0x0002
178#define F_SEAL_GROW 0x0004
179#define F_SEAL_WRITE 0x0008
180
181#define DN_ACCESS 0x00000001
182#define DN_MODIFY 0x00000002
183#define DN_CREATE 0x00000004
184#define DN_DELETE 0x00000008
185#define DN_RENAME 0x00000010
186#define DN_ATTRIB 0x00000020
187#define DN_MULTISHOT 0x80000000
188
189int lockf(int, int, off_t);
190#endif
191
192#if defined(_GNU_SOURCE)
193#define F_OWNER_TID 0
194#define F_OWNER_PID 1
195#define F_OWNER_PGRP 2
196#define F_OWNER_GID 2
197struct f_owner_ex {
198    int type;
199    pid_t pid;
200};
201#define FALLOC_FL_KEEP_SIZE 1
202#define FALLOC_FL_PUNCH_HOLE 2
203#define SYNC_FILE_RANGE_WAIT_BEFORE 1
204#define SYNC_FILE_RANGE_WRITE 2
205#define SYNC_FILE_RANGE_WAIT_AFTER 4
206#define SPLICE_F_MOVE 1
207#define SPLICE_F_NONBLOCK 2
208#define SPLICE_F_MORE 4
209#define SPLICE_F_GIFT 8
210int fallocate(int, int, off_t, off_t);
211#define fallocate64 fallocate
212ssize_t readahead(int, off_t, size_t);
213int sync_file_range(int, off_t, off_t, unsigned);
214ssize_t vmsplice(int, const struct iovec*, size_t, unsigned);
215ssize_t splice(int, off_t*, int, off_t*, size_t, unsigned);
216ssize_t tee(int, int, size_t, unsigned);
217#define loff_t off_t
218#endif
219
220#ifdef __cplusplus
221}
222#endif
223