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5f0b8437 | 1 | /* POSIX-specific extra functions. |
2b778ceb | 2 | Copyright (C) 2016-2021 Free Software Foundation, Inc. |
5f0b8437 FW |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
5f0b8437 FW |
18 | |
19 | /* These wrapper functions use POSIX types and therefore cannot be | |
20 | declared in <support/support.h>. */ | |
21 | ||
22 | #ifndef SUPPORT_XUNISTD_H | |
23 | #define SUPPORT_XUNISTD_H | |
24 | ||
5f0b8437 | 25 | #include <sys/cdefs.h> |
2714c5f3 FW |
26 | #include <sys/types.h> |
27 | #include <unistd.h> | |
5f0b8437 FW |
28 | |
29 | __BEGIN_DECLS | |
30 | ||
2714c5f3 FW |
31 | struct stat64; |
32 | ||
5f0b8437 FW |
33 | pid_t xfork (void); |
34 | pid_t xwaitpid (pid_t, int *status, int flags); | |
91b6eb11 FW |
35 | void xpipe (int[2]); |
36 | void xdup2 (int, int); | |
2714c5f3 FW |
37 | int xopen (const char *path, int flags, mode_t); |
38 | void xstat (const char *path, struct stat64 *); | |
173ec37b | 39 | void xlstat (const char *path, struct stat64 *); |
bad7a0c8 | 40 | void xfstat (int fd, struct stat64 *); |
2714c5f3 FW |
41 | void xmkdir (const char *path, mode_t); |
42 | void xchroot (const char *path); | |
1ffe1ccb | 43 | void xunlink (const char *path); |
446d22e9 | 44 | long xsysconf (int name); |
bad7a0c8 FW |
45 | long long xlseek (int fd, long long offset, int whence); |
46 | void xftruncate (int fd, long long length); | |
561b0bec | 47 | void xsymlink (const char *target, const char *linkpath); |
a7e9dbb7 | 48 | void xchdir (const char *path); |
561b0bec DD |
49 | |
50 | /* Equivalent of "mkdir -p". */ | |
51 | void xmkdirp (const char *, mode_t); | |
1ffe1ccb FW |
52 | |
53 | /* Read the link at PATH. The caller should free the returned string | |
54 | with free. */ | |
55 | char *xreadlink (const char *path); | |
5f0b8437 | 56 | |
ed3ea040 FW |
57 | /* Close the file descriptor. Ignore EINTR errors, but terminate the |
58 | process on other errors. */ | |
59 | void xclose (int); | |
60 | ||
5840c75c FW |
61 | /* Write the buffer. Retry on short writes. */ |
62 | void xwrite (int, const void *, size_t); | |
63 | ||
faf0e9c8 FW |
64 | /* Invoke mmap with a zero file offset. */ |
65 | void *xmmap (void *addr, size_t length, int prot, int flags, int fd); | |
60149b28 | 66 | void xmprotect (void *addr, size_t length, int prot); |
faf0e9c8 FW |
67 | void xmunmap (void *addr, size_t length); |
68 | ||
81b9d87b L |
69 | ssize_t xcopy_file_range(int fd_in, loff_t *off_in, int fd_out, |
70 | loff_t *off_out, size_t len, unsigned int flags); | |
71 | ||
5f0b8437 FW |
72 | __END_DECLS |
73 | ||
74 | #endif /* SUPPORT_XUNISTD_H */ |